Parameters

The Honda Prelude has 133 parameters.

● Confirmed◆ In testing○ Supported× Not supported

Battery

Battery coolant temperature `PRELUDE_BATTERY_COOLANT_TEMPERATURE`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 88 to 95 of the reply, 8 bits.

Formula: $val - 40$
Range: -40 to 215 °C
Unit: °C

0x00 = 0 → $0 - 40$ = -40 °C

Confirmed for 2026. In testing for 2025.

Battery module power `PRELUDE_BATTERY_MODULE_POWER`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 168 to 183 of the reply, 16 bits. The value is signed.

Formula: $val \times 0.016$
Range: -524.288 to 524.272 kW
Unit: kW

0x0000 = 0 → $0 \times 0.016$ = 0 kW

Confirmed for 2026. In testing for 2025.

High voltage battery cells, max state of charge `PRELUDE_CELL_MAX_SOC`Confirmed

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 584 to 599 of the reply, 16 bits.

Formula: $\frac{val}{100}$
Range: 0 to 100 %
Unit: %

Confirmed for 2026. In testing for 2025.

High voltage battery cells, max state of charge `PRELUDE_CELL_MIN_SOC`Confirmed

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 600 to 615 of the reply, 16 bits.

Formula: $\frac{val}{100}$
Range: 0 to 100 %
Unit: %

Confirmed for 2026. In testing for 2025.

High voltage battery module 1A temperature `PRELUDE_HVB_MOD_1A_T`Confirmed

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 472 to 487 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

High voltage battery module 3A temperature `PRELUDE_HVB_MOD_3A_T`Confirmed

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 504 to 519 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

High voltage battery total capacity `PRELUDE_HVB_CAP`Confirmed

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,336 to 1,351 of the reply, 16 bits.

Formula: $\frac{val}{100}$
Range: 0 to 655.35 Ah
Unit: Ah

Confirmed for 2026. In testing for 2025.

High voltage battery total current `PRELUDE_HVB_C_TOTAL`Confirmed

Pelican can show this parameter as the traction battery current.

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 456 to 471 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{50}$
Range: -100 to 200 A
Unit: A

Confirmed for 2026. In testing for 2025.

High voltage battery voltage `PRELUDE_HVB_V`Confirmed

Pelican can show this parameter as the traction battery voltage.

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 488 to 503 of the reply, 16 bits.

Formula: $\frac{val}{20}$
Range: 0 to 400 V
Unit: V

Confirmed for 2026. In testing for 2025.

HV battery cell max state of charge `PRELUDE_HV_BATTERY_CELL_MAX_STATE_OF_CHARGE`Confirmed

Service 22DID 2012
ModuleDBEF
Every1 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 208 to 223 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{100}$
Range: -327.68 to 100 %
Unit: %

0x10F4 = 4340 → $\frac{4340}{100}$ = 43.4 %

Confirmed for 2026. In testing for 2025.

HV battery current `PRELUDE_HV_BATTERY_CURRENT`Confirmed

Service 22DID 2010
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 32 to 47 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{100}$
Range: -327.68 to 327.67 A
Unit: A

0x0104 = 260 → $\frac{260}{100}$ = 2.6 A

Confirmed for 2026. In testing for 2025.

HV battery fan 3 speed `PRELUDE_HV_BATTERY_FAN_3_SPEED`

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Bits 288 to 295 of the reply, 8 bits.

Formula: $val \times 100$
Range: 0 to 25500 rpm
Unit: rpm

In testing for 2025. Supported for 2026.

HV battery usable capacity `PRELUDE_HV_BATTERY_USABLE_CAPACITY`Confirmed

Service 22DID 2012
ModuleDBEF
Every1 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 32 to 39 of the reply, 8 bits.

Formula: $val$
Range: 0 to 100 %
Unit: %

0x00 = 0 → 0 %

Confirmed for 2026. In testing for 2025.

State of charge `PRELUDE_SOC`Confirmed

Pelican can show this parameter as the state of charge.

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 400 to 407 of the reply, 8 bits.

Formula: $val$
Range: 0 to 100 %
Unit: %

Confirmed for 2026. In testing for 2025.

State of charge `PRELUDE_STATE_OF_CHARGE`Confirmed

Service 22DID 2012
ModuleDBEF
Every1 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 40 to 47 of the reply, 8 bits.

Formula: $val$
Range: 0 to 100 %
Unit: %

0x24 = 36 → 36 %

Confirmed for 2026. In testing for 2025.

Cells

Individual cell voltage A1 `PRELUDE_CEL_V_A1`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 216 to 231 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A2 `PRELUDE_CEL_V_A2`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 232 to 247 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A3 `PRELUDE_CEL_V_A3`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 248 to 263 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A4 `PRELUDE_CEL_V_A4`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 264 to 279 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A5 `PRELUDE_CEL_V_A5`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 280 to 295 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A6 `PRELUDE_CEL_V_A6`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 296 to 311 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A7 `PRELUDE_CEL_V_A7`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 312 to 327 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A8 `PRELUDE_CEL_V_A8`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 328 to 343 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A9 `PRELUDE_CEL_V_A9`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 344 to 359 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A10 `PRELUDE_CEL_V_A10`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 360 to 375 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A11 `PRELUDE_CEL_V_A11`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 376 to 391 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A12 `PRELUDE_CEL_V_A12`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 392 to 407 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A13 `PRELUDE_CEL_V_A13`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 408 to 423 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A14 `PRELUDE_CEL_V_A14`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 424 to 439 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A15 `PRELUDE_CEL_V_A15`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 440 to 455 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A16 `PRELUDE_CEL_V_A16`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 456 to 471 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A17 `PRELUDE_CEL_V_A17`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 472 to 487 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A18 `PRELUDE_CEL_V_A18`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 488 to 503 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A19 `PRELUDE_CEL_V_A19`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 504 to 519 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A20 `PRELUDE_CEL_V_A20`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 520 to 535 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A21 `PRELUDE_CEL_V_A21`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 536 to 551 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A22 `PRELUDE_CEL_V_A22`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 552 to 567 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A23 `PRELUDE_CEL_V_A23`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 568 to 583 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A24 `PRELUDE_CEL_V_A24`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 584 to 599 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A25 `PRELUDE_CEL_V_A25`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 600 to 615 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A26 `PRELUDE_CEL_V_A26`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 616 to 631 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A27 `PRELUDE_CEL_V_A27`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 632 to 647 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A28 `PRELUDE_CEL_V_A28`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 648 to 663 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A29 `PRELUDE_CEL_V_A29`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 664 to 679 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A30 `PRELUDE_CEL_V_A30`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 680 to 695 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A31 `PRELUDE_CEL_V_A31`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 696 to 711 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A32 `PRELUDE_CEL_V_A32`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 712 to 727 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A33 `PRELUDE_CEL_V_A33`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 728 to 743 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A34 `PRELUDE_CEL_V_A34`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 744 to 759 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A35 `PRELUDE_CEL_V_A35`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 760 to 775 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A36 `PRELUDE_CEL_V_A36`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 776 to 791 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A37 `PRELUDE_CEL_V_A37`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 792 to 807 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A38 `PRELUDE_CEL_V_A38`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 808 to 823 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A39 `PRELUDE_CEL_V_A39`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 824 to 839 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A40 `PRELUDE_CEL_V_A40`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 840 to 855 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A41 `PRELUDE_CEL_V_A41`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 856 to 871 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A42 `PRELUDE_CEL_V_A42`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 872 to 887 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A43 `PRELUDE_CEL_V_A43`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 888 to 903 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A44 `PRELUDE_CEL_V_A44`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 904 to 919 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A45 `PRELUDE_CEL_V_A45`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 920 to 935 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A46 `PRELUDE_CEL_V_A46`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 936 to 951 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A47 `PRELUDE_CEL_V_A47`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 952 to 967 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A48 `PRELUDE_CEL_V_A48`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 968 to 983 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A49 `PRELUDE_CEL_V_A49`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 984 to 999 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A50 `PRELUDE_CEL_V_A50`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,000 to 1,015 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A51 `PRELUDE_CEL_V_A51`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,016 to 1,031 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A52 `PRELUDE_CEL_V_A52`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,032 to 1,047 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A53 `PRELUDE_CEL_V_A53`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,048 to 1,063 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A54 `PRELUDE_CEL_V_A54`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,064 to 1,079 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A55 `PRELUDE_CEL_V_A55`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,080 to 1,095 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A56 `PRELUDE_CEL_V_A56`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,096 to 1,111 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A57 `PRELUDE_CEL_V_A57`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,112 to 1,127 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A58 `PRELUDE_CEL_V_A58`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,128 to 1,143 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A59 `PRELUDE_CEL_V_A59`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,144 to 1,159 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A60 `PRELUDE_CEL_V_A60`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,160 to 1,175 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A61 `PRELUDE_CEL_V_A61`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,176 to 1,191 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A62 `PRELUDE_CEL_V_A62`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,192 to 1,207 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A63 `PRELUDE_CEL_V_A63`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,208 to 1,223 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A64 `PRELUDE_CEL_V_A64`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,224 to 1,239 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A65 `PRELUDE_CEL_V_A65`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,240 to 1,255 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A66 `PRELUDE_CEL_V_A66`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,256 to 1,271 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A67 `PRELUDE_CEL_V_A67`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,272 to 1,287 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A68 `PRELUDE_CEL_V_A68`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,288 to 1,303 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A69 `PRELUDE_CEL_V_A69`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,304 to 1,319 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A70 `PRELUDE_CEL_V_A70`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,320 to 1,335 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A71 `PRELUDE_CEL_V_A71`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,336 to 1,351 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A72 `PRELUDE_CEL_V_A72`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,352 to 1,367 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A73 `PRELUDE_CEL_V_A73`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,368 to 1,383 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A74 `PRELUDE_CEL_V_A74`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,384 to 1,399 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A75 `PRELUDE_CEL_V_A75`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,400 to 1,415 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A76 `PRELUDE_CEL_V_A76`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,416 to 1,431 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A77 `PRELUDE_CEL_V_A77`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,432 to 1,447 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A78 `PRELUDE_CEL_V_A78`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,448 to 1,463 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A79 `PRELUDE_CEL_V_A79`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,464 to 1,479 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A80 `PRELUDE_CEL_V_A80`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,480 to 1,495 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A81 `PRELUDE_CEL_V_A81`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,496 to 1,511 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A82 `PRELUDE_CEL_V_A82`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,512 to 1,527 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A83 `PRELUDE_CEL_V_A83`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,528 to 1,543 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Individual cell voltage A84 `PRELUDE_CEL_V_A84`Confirmed

Service 22DID 2028
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 1,544 to 1,559 of the reply, 16 bits.

Formula: $\frac{val}{5}$
Range: 0 to 5000 mV
Unit: mV

Confirmed for 2026. In testing for 2025.

Climate

Outside air temperature `PRELUDE_AAT`Confirmed

Service 22DID 7028
ModuleDA60 → 60
Every5 s
Testing for 1997 to 2001, 2025

Bits 132 to 143 of the reply, 12 bits. The value is signed.

Formula: $val$
Range: -40 to 2047 °F
Unit: °F

Confirmed for 2026. In testing for 2025.

Clocks

Time since engine start `PRELUDE_RUNTM`Confirmed

How long it's been since the engine started.

Service 22DID 2660
ModuleDA10 → 10
Every5 s
Testing for 1997 to 2001, 2025

Bits 368 to 383 of the reply, 16 bits.

Formula: $val$
Range: 0 to 65535 s
Unit: s

Confirmed for 2026. In testing for 2025.

ECU

Variable valve control `PRELUDE_VTEC_CTRL`Confirmed

Service 22DID 2612
ModuleDA10 → 10
Every250 ms
Testing for 1997 to 2001, 2025

Bits 168 to 175 of the reply, 8 bits.

Formula: $val$
Range: 0 to 255
Unit: Number

Confirmed for 2026. In testing for 2025.

Electrical

Brake fluid pressure `PRELUDE_BRK_FLD_P`Confirmed

Service 22DID 4201
ModuleDA2A → 2A
Every1 s
Testing for 1997 to 2001, 2025

Bits 168 to 183 of the reply, 16 bits.

Formula: $\frac{val}{100}$
Range: 0 to 5
Unit: Raw value

Confirmed for 2026. In testing for 2025.

Brake pedal stroke `PRELUDE_BRK_PED_STK`Confirmed

Service 22DID 4201
ModuleDA2A → 2A
Every1 s
Testing for 1997 to 2001, 2025

Bits 88 to 103 of the reply, 16 bits.

Formula: $\frac{val}{10}$
Range: 0 to 50 mm
Unit: mm

Confirmed for 2026. In testing for 2025.

Brake pressure `PRELUDE_BRK_P`Confirmed

Service 22DID 4005
ModuleDA28 → 28
Every1 s
Testing for 1997 to 2001, 2025

Bits 56 to 71 of the reply, 16 bits.

Formula: $val - 25$
Range: 0 to 120 bar
Unit: bar

Confirmed for 2026. In testing for 2025.

Brake switch `PRELUDE_BRK_SW`Confirmed

Service 22DID 4004
ModuleDA28 → 28
Every1 s
Testing for 1997 to 2001, 2025

Bit 127 of the reply.

Formula: $val$
Range: 0 to 1
Unit: Off or on

Confirmed for 2026. In testing for 2025.

Master cylinder stroke `PRELUDE_MSTR_CYL_STK`Confirmed

Service 22DID 4201
ModuleDA2A → 2A
Every1 s
Testing for 1997 to 2001, 2025

Bits 232 to 247 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -3276.8 to 3276.7 mm
Unit: mm

Confirmed for 2026. In testing for 2025.

Slave cylinder stroke `PRELUDE_SLV_CYL_STK`Confirmed

Service 22DID 4201
ModuleDA2A → 2A
Every1 s
Testing for 1997 to 2001, 2025

Bits 248 to 263 of the reply, 16 bits.

Formula: $\frac{val}{10}$
Range: 0 to 6553.5 mm
Unit: mm

Confirmed for 2026. In testing for 2025.

Engine

A/C clutch `PRELUDE_AC_CLUTCH`Confirmed

Service 22DID 2610
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bit 262 of the reply.

Formula: $val$
Range: 0 to 1
Unit: Off or on

Confirmed for 2026. In testing for 2025.

Air/gas ratio `PRELUDE_AIRGAS_RATIO`Confirmed

Service 22DID 2611
ModuleDA10 → 10
Every5 s
Testing for 1997 to 2001, 2025

Bits 64 to 79 of the reply, 16 bits.

Formula: $\frac{val \times 29.4}{65535}$
Range: 0 to 29.4
Unit: Number

Confirmed for 2026. In testing for 2025.

Ambient air temperature, cabin `PRELUDE_AAT_CAB`Confirmed

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 832 to 839 of the reply, 8 bits. The value is signed.

Formula: $val$
Range: -40 to 127 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Ambient air temperature, outside `PRELUDE_AAT_OUT`Confirmed

Service 22DID 202A
ModuleDA01 → 01
Every1 s
Testing for 1997 to 2001, 2025

Bits 840 to 847 of the reply, 8 bits. The value is signed.

Formula: $val$
Range: -40 to 127 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Cabin air temperature `PRELUDE_CABIN_AIR_TEMPERATURE`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 200 to 207 of the reply, 8 bits.

Formula: $val \times 1.8 + 32$
Range: 0 to 491 °F
Unit: °F

0x1C = 28 → $28 \times 1.8 + 32$ = 82.4 °F

Confirmed for 2026. In testing for 2025.

DC-DC converter temperature `PRELUDE_DC_DC_CONVERTER_TEMPERATURE`Confirmed

Service 22DID 2010
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 104 to 119 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -3276.8 to 3276.7 °C
Unit: °C

0x0000 = 0 → $\frac{0}{10}$ = 0 °C

Confirmed for 2026. In testing for 2025.

Engine coolant temperature sensor 1 `PRELUDE_ECT_1`Confirmed

Pelican can show this parameter as the engine coolant temperature.

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 1,608 to 1,623 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Engine coolant temperature sensor 2 `PRELUDE_ECT_2`Confirmed

Pelican can show this parameter as the engine coolant temperature.

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 1,624 to 1,639 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Engine coolant temperature sensor 3 `PRELUDE_ECT_3`Confirmed

Pelican can show this parameter as the engine coolant temperature.

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 1,640 to 1,655 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Engine coolant temperature sensor 4 `PRELUDE_ECT_4`Confirmed

Pelican can show this parameter as the engine coolant temperature.

Service 22DID 202C
ModuleDA01 → 01
Every5 s
Testing for 1997 to 2001, 2025

Bits 1,656 to 1,671 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{10}$
Range: -40 to 215 °C
Unit: °C

Confirmed for 2026. In testing for 2025.

Fuel/air commanded equivalence ratio `PRELUDE_FUELAIR_CAR`Confirmed

Service 22DID 2661
ModuleDA10 → 10
Every250 ms
Testing for 1997 to 2001, 2025

Bits 64 to 79 of the reply, 16 bits.

Formula: $\frac{val}{2229.081633}$
Range: 0 to 29.4
Unit: Number

Confirmed for 2026. In testing for 2025.

Generator `PRELUDE_GENERATOR`Confirmed

Service 22DID 2610
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bits 184 to 191 of the reply, 8 bits.

Formula: $\frac{val \times 100}{255}$
Range: 0 to 100 %
Unit: %

Confirmed for 2026. In testing for 2025.

Knock control `PRELUDE_KNOCK_CONTROL`Confirmed

ECU's determination of fuel quality.

Service 22DID 2662
ModuleDA10 → 10
Every250 ms
Testing for 1997 to 2001, 2025

Bits 80 to 87 of the reply, 8 bits.

Formula: $\frac{val \times 2}{255}$
Range: 0 to 2
Unit: Raw value

Confirmed for 2026. In testing for 2025.

Misfire count #1 `PRELUDE_MIS_1`Confirmed

Service 22DID 2663
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bits 272 to 287 of the reply, 16 bits.

Formula: $val$
Range: 0 to 65535
Unit: Number

Confirmed for 2026. In testing for 2025.

Misfire count #2 `PRELUDE_MIS_2`Confirmed

Service 22DID 2663
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bits 288 to 303 of the reply, 16 bits.

Formula: $val$
Range: 0 to 65535
Unit: Number

Confirmed for 2026. In testing for 2025.

Misfire count #3 `PRELUDE_MIS_3`Confirmed

Service 22DID 2663
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bits 304 to 319 of the reply, 16 bits.

Formula: $val$
Range: 0 to 65535
Unit: Number

Confirmed for 2026. In testing for 2025.

Misfire count #4 `PRELUDE_MIS_4`Confirmed

Service 22DID 2663
ModuleDA10 → 10
Every1 s
Testing for 1997 to 2001, 2025

Bits 320 to 335 of the reply, 16 bits.

Formula: $val$
Range: 0 to 65535
Unit: Number

Confirmed for 2026. In testing for 2025.

Motor inverter, current `PRELUDE_MOTOR_INVERTER_CURRENT`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 48 to 63 of the reply, 16 bits. The value is signed.

Formula: $\frac{val}{100}$
Range: -327.68 to 327.67 A
Unit: A

0x0000 = 0 → $\frac{0}{100}$ = 0 A

Confirmed for 2026. In testing for 2025.

Outside air temperature `PRELUDE_OUTSIDE_AIR_TEMPERATURE`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 208 to 215 of the reply, 8 bits.

Formula: $val \times 1.8 + 32$
Range: 0 to 491 °F
Unit: °F

0x00 = 0 → $0 \times 1.8 + 32$ = 32 °F

Confirmed for 2026. In testing for 2025.

Variable timing control duty `PRELUDE_VTC_DUTY`Confirmed

How long the valve is energized versus how long it's not energized, expressed as a percentage. The higher the duty percentage, the more the cam timing is advanced toward its maximum potential.

Service 22DID 2662
ModuleDA10 → 10
Every250 ms
Testing for 1997 to 2001, 2025

Bits 224 to 231 of the reply, 8 bits.

Formula: $\frac{val \times 100}{255}$
Range: 0 to 100 %
Unit: %

Confirmed for 2026. In testing for 2025.

Fuel

Fuel level `PRELUDE_FLV`Confirmed

Pelican can show this parameter as the fuel tank level.

Service 22DID 7029
ModuleDA60 → 60
Every30 s
Testing for 1997 to 2001, 2025

Bits 96 to 111 of the reply, 16 bits.

Formula: $\frac{val}{100}$
Range: 0 to 655 L
Unit: L

Confirmed for 2026. In testing for 2025.

Fuel/air commanded equivalence ratio `PRELUDE_FUEL_AIR_RATIO`Confirmed

Service 22DID 2611
ModuleDA10 → 10
Every5 s
Testing for 1997 to 2001, 2025

Bits 0 to 7 of the reply, 8 bits.

Formula: $val$
Range: 0 to 255
Unit: Number

Confirmed for 2026. In testing for 2025.

Movement

Generator motor speed `PRELUDE_GENERATOR_MOTOR_SPEED`Confirmed

Service 22DID 2001
ModuleDBEF
Every5 s
Testing for 1997 to 2001, 2025

Example reply from a 2026 Honda Prelude.

Bits 184 to 191 of the reply, 8 bits.

Formula: $val \times 64$
Range: 0 to 16320 rpm
Unit: rpm

0x00 = 0 → $0 \times 64$ = 0 rpm

Confirmed for 2026. In testing for 2025.

Trips

Odometer `PRELUDE_ODO`Confirmed

Pelican can show this parameter as the odometer.

Service 22DID 2660
ModuleDA10 → 10
Every5 s
Testing for 1997 to 2001, 2025

Bits 344 to 367 of the reply, 24 bits.

Formula: $val$
Range: 0 to 16777215 km
Unit: km

Confirmed for 2026. In testing for 2025.

Odometer, variation 3 `PRELUDE_ODO_V3`Confirmed

Service 22DID 7022
ModuleDA60 → 60
Every30 s
Testing for 1997 to 2001, 2025

Bits 48 to 71 of the reply, 24 bits.

Formula: $val$
Range: 0 to 200000 mi
Unit: mi

Confirmed for 2026. In testing for 2025.

Parameters

Battery

Battery coolant temperature PRELUDE_BATTERY_COOLANT_TEMPERATUREConfirmed

Battery module power PRELUDE_BATTERY_MODULE_POWERConfirmed

High voltage battery cells, max state of charge PRELUDE_CELL_MAX_SOCConfirmed

High voltage battery cells, max state of charge PRELUDE_CELL_MIN_SOCConfirmed

High voltage battery module 1A temperature PRELUDE_HVB_MOD_1A_TConfirmed

High voltage battery module 3A temperature PRELUDE_HVB_MOD_3A_TConfirmed

High voltage battery total capacity PRELUDE_HVB_CAPConfirmed

High voltage battery total current PRELUDE_HVB_C_TOTALConfirmed

High voltage battery voltage PRELUDE_HVB_VConfirmed

HV battery cell max state of charge PRELUDE_HV_BATTERY_CELL_MAX_STATE_OF_CHARGEConfirmed

HV battery current PRELUDE_HV_BATTERY_CURRENTConfirmed

HV battery fan 3 speed PRELUDE_HV_BATTERY_FAN_3_SPEED

HV battery usable capacity PRELUDE_HV_BATTERY_USABLE_CAPACITYConfirmed

State of charge PRELUDE_SOCConfirmed

State of charge PRELUDE_STATE_OF_CHARGEConfirmed

Cells

Individual cell voltage A1 PRELUDE_CEL_V_A1Confirmed

Individual cell voltage A2 PRELUDE_CEL_V_A2Confirmed

Individual cell voltage A3 PRELUDE_CEL_V_A3Confirmed

Individual cell voltage A4 PRELUDE_CEL_V_A4Confirmed

Individual cell voltage A5 PRELUDE_CEL_V_A5Confirmed

Individual cell voltage A6 PRELUDE_CEL_V_A6Confirmed

Individual cell voltage A7 PRELUDE_CEL_V_A7Confirmed

Individual cell voltage A8 PRELUDE_CEL_V_A8Confirmed

Individual cell voltage A9 PRELUDE_CEL_V_A9Confirmed

Individual cell voltage A10 PRELUDE_CEL_V_A10Confirmed

Individual cell voltage A11 PRELUDE_CEL_V_A11Confirmed

Individual cell voltage A12 PRELUDE_CEL_V_A12Confirmed

Individual cell voltage A13 PRELUDE_CEL_V_A13Confirmed

Individual cell voltage A14 PRELUDE_CEL_V_A14Confirmed

Individual cell voltage A15 PRELUDE_CEL_V_A15Confirmed

Individual cell voltage A16 PRELUDE_CEL_V_A16Confirmed

Individual cell voltage A17 PRELUDE_CEL_V_A17Confirmed

Individual cell voltage A18 PRELUDE_CEL_V_A18Confirmed

Individual cell voltage A19 PRELUDE_CEL_V_A19Confirmed

Individual cell voltage A20 PRELUDE_CEL_V_A20Confirmed

Individual cell voltage A21 PRELUDE_CEL_V_A21Confirmed

Individual cell voltage A22 PRELUDE_CEL_V_A22Confirmed

Individual cell voltage A23 PRELUDE_CEL_V_A23Confirmed

Individual cell voltage A24 PRELUDE_CEL_V_A24Confirmed

Individual cell voltage A25 PRELUDE_CEL_V_A25Confirmed

Individual cell voltage A26 PRELUDE_CEL_V_A26Confirmed

Individual cell voltage A27 PRELUDE_CEL_V_A27Confirmed

Individual cell voltage A28 PRELUDE_CEL_V_A28Confirmed

Individual cell voltage A29 PRELUDE_CEL_V_A29Confirmed

Individual cell voltage A30 PRELUDE_CEL_V_A30Confirmed

Individual cell voltage A31 PRELUDE_CEL_V_A31Confirmed

Individual cell voltage A32 PRELUDE_CEL_V_A32Confirmed

Individual cell voltage A33 PRELUDE_CEL_V_A33Confirmed

Individual cell voltage A34 PRELUDE_CEL_V_A34Confirmed

Individual cell voltage A35 PRELUDE_CEL_V_A35Confirmed

Individual cell voltage A36 PRELUDE_CEL_V_A36Confirmed

Individual cell voltage A37 PRELUDE_CEL_V_A37Confirmed

Individual cell voltage A38 PRELUDE_CEL_V_A38Confirmed

Individual cell voltage A39 PRELUDE_CEL_V_A39Confirmed

Individual cell voltage A40 PRELUDE_CEL_V_A40Confirmed

Individual cell voltage A41 PRELUDE_CEL_V_A41Confirmed

Individual cell voltage A42 PRELUDE_CEL_V_A42Confirmed

Individual cell voltage A43 PRELUDE_CEL_V_A43Confirmed

Individual cell voltage A44 PRELUDE_CEL_V_A44Confirmed

Individual cell voltage A45 PRELUDE_CEL_V_A45Confirmed

Individual cell voltage A46 PRELUDE_CEL_V_A46Confirmed

Individual cell voltage A47 PRELUDE_CEL_V_A47Confirmed

Individual cell voltage A48 PRELUDE_CEL_V_A48Confirmed

Individual cell voltage A49 PRELUDE_CEL_V_A49Confirmed

Individual cell voltage A50 PRELUDE_CEL_V_A50Confirmed

Individual cell voltage A51 PRELUDE_CEL_V_A51Confirmed

Individual cell voltage A52 PRELUDE_CEL_V_A52Confirmed

Individual cell voltage A53 PRELUDE_CEL_V_A53Confirmed

Individual cell voltage A54 PRELUDE_CEL_V_A54Confirmed

Individual cell voltage A55 PRELUDE_CEL_V_A55Confirmed

Individual cell voltage A56 PRELUDE_CEL_V_A56Confirmed

Individual cell voltage A57 PRELUDE_CEL_V_A57Confirmed

Individual cell voltage A58 PRELUDE_CEL_V_A58Confirmed

Individual cell voltage A59 PRELUDE_CEL_V_A59Confirmed

Individual cell voltage A60 PRELUDE_CEL_V_A60Confirmed

Individual cell voltage A61 PRELUDE_CEL_V_A61Confirmed

Individual cell voltage A62 PRELUDE_CEL_V_A62Confirmed

Battery coolant temperature `PRELUDE_BATTERY_COOLANT_TEMPERATURE`Confirmed

Battery module power `PRELUDE_BATTERY_MODULE_POWER`Confirmed

High voltage battery cells, max state of charge `PRELUDE_CELL_MAX_SOC`Confirmed

High voltage battery cells, max state of charge `PRELUDE_CELL_MIN_SOC`Confirmed

High voltage battery module 1A temperature `PRELUDE_HVB_MOD_1A_T`Confirmed

High voltage battery module 3A temperature `PRELUDE_HVB_MOD_3A_T`Confirmed

High voltage battery total capacity `PRELUDE_HVB_CAP`Confirmed

High voltage battery total current `PRELUDE_HVB_C_TOTAL`Confirmed

High voltage battery voltage `PRELUDE_HVB_V`Confirmed

HV battery cell max state of charge `PRELUDE_HV_BATTERY_CELL_MAX_STATE_OF_CHARGE`Confirmed

HV battery current `PRELUDE_HV_BATTERY_CURRENT`Confirmed

HV battery fan 3 speed `PRELUDE_HV_BATTERY_FAN_3_SPEED`

HV battery usable capacity `PRELUDE_HV_BATTERY_USABLE_CAPACITY`Confirmed

State of charge `PRELUDE_SOC`Confirmed

State of charge `PRELUDE_STATE_OF_CHARGE`Confirmed

Individual cell voltage A1 `PRELUDE_CEL_V_A1`Confirmed

Individual cell voltage A2 `PRELUDE_CEL_V_A2`Confirmed

Individual cell voltage A3 `PRELUDE_CEL_V_A3`Confirmed

Individual cell voltage A4 `PRELUDE_CEL_V_A4`Confirmed

Individual cell voltage A5 `PRELUDE_CEL_V_A5`Confirmed

Individual cell voltage A6 `PRELUDE_CEL_V_A6`Confirmed

Individual cell voltage A7 `PRELUDE_CEL_V_A7`Confirmed

Individual cell voltage A8 `PRELUDE_CEL_V_A8`Confirmed

Individual cell voltage A9 `PRELUDE_CEL_V_A9`Confirmed

Individual cell voltage A10 `PRELUDE_CEL_V_A10`Confirmed

Individual cell voltage A11 `PRELUDE_CEL_V_A11`Confirmed

Individual cell voltage A12 `PRELUDE_CEL_V_A12`Confirmed

Individual cell voltage A13 `PRELUDE_CEL_V_A13`Confirmed

Individual cell voltage A14 `PRELUDE_CEL_V_A14`Confirmed

Individual cell voltage A15 `PRELUDE_CEL_V_A15`Confirmed

Individual cell voltage A16 `PRELUDE_CEL_V_A16`Confirmed

Individual cell voltage A17 `PRELUDE_CEL_V_A17`Confirmed

Individual cell voltage A18 `PRELUDE_CEL_V_A18`Confirmed

Individual cell voltage A19 `PRELUDE_CEL_V_A19`Confirmed

Individual cell voltage A20 `PRELUDE_CEL_V_A20`Confirmed

Individual cell voltage A21 `PRELUDE_CEL_V_A21`Confirmed

Individual cell voltage A22 `PRELUDE_CEL_V_A22`Confirmed

Individual cell voltage A23 `PRELUDE_CEL_V_A23`Confirmed

Individual cell voltage A24 `PRELUDE_CEL_V_A24`Confirmed

Individual cell voltage A25 `PRELUDE_CEL_V_A25`Confirmed

Individual cell voltage A26 `PRELUDE_CEL_V_A26`Confirmed

Individual cell voltage A27 `PRELUDE_CEL_V_A27`Confirmed

Individual cell voltage A28 `PRELUDE_CEL_V_A28`Confirmed

Individual cell voltage A29 `PRELUDE_CEL_V_A29`Confirmed

Individual cell voltage A30 `PRELUDE_CEL_V_A30`Confirmed

Individual cell voltage A31 `PRELUDE_CEL_V_A31`Confirmed

Individual cell voltage A32 `PRELUDE_CEL_V_A32`Confirmed

Individual cell voltage A33 `PRELUDE_CEL_V_A33`Confirmed

Individual cell voltage A34 `PRELUDE_CEL_V_A34`Confirmed

Individual cell voltage A35 `PRELUDE_CEL_V_A35`Confirmed

Individual cell voltage A36 `PRELUDE_CEL_V_A36`Confirmed

Individual cell voltage A37 `PRELUDE_CEL_V_A37`Confirmed

Individual cell voltage A38 `PRELUDE_CEL_V_A38`Confirmed

Individual cell voltage A39 `PRELUDE_CEL_V_A39`Confirmed

Individual cell voltage A40 `PRELUDE_CEL_V_A40`Confirmed

Individual cell voltage A41 `PRELUDE_CEL_V_A41`Confirmed

Individual cell voltage A42 `PRELUDE_CEL_V_A42`Confirmed

Individual cell voltage A43 `PRELUDE_CEL_V_A43`Confirmed

Individual cell voltage A44 `PRELUDE_CEL_V_A44`Confirmed

Individual cell voltage A45 `PRELUDE_CEL_V_A45`Confirmed

Individual cell voltage A46 `PRELUDE_CEL_V_A46`Confirmed

Individual cell voltage A47 `PRELUDE_CEL_V_A47`Confirmed

Individual cell voltage A48 `PRELUDE_CEL_V_A48`Confirmed

Individual cell voltage A49 `PRELUDE_CEL_V_A49`Confirmed

Individual cell voltage A50 `PRELUDE_CEL_V_A50`Confirmed

Individual cell voltage A51 `PRELUDE_CEL_V_A51`Confirmed

Individual cell voltage A52 `PRELUDE_CEL_V_A52`Confirmed

Individual cell voltage A53 `PRELUDE_CEL_V_A53`Confirmed

Individual cell voltage A54 `PRELUDE_CEL_V_A54`Confirmed

Individual cell voltage A55 `PRELUDE_CEL_V_A55`Confirmed

Individual cell voltage A56 `PRELUDE_CEL_V_A56`Confirmed

Individual cell voltage A57 `PRELUDE_CEL_V_A57`Confirmed

Individual cell voltage A58 `PRELUDE_CEL_V_A58`Confirmed

Individual cell voltage A59 `PRELUDE_CEL_V_A59`Confirmed

Individual cell voltage A60 `PRELUDE_CEL_V_A60`Confirmed

Individual cell voltage A61 `PRELUDE_CEL_V_A61`Confirmed

Individual cell voltage A62 `PRELUDE_CEL_V_A62`Confirmed

Individual cell voltage A63 `PRELUDE_CEL_V_A63`Confirmed

Individual cell voltage A64 `PRELUDE_CEL_V_A64`Confirmed

Individual cell voltage A65 `PRELUDE_CEL_V_A65`Confirmed