ACURA fault codes
Coverage shown is Honda data: 6,283 codes · 1,034 vehicle records · 229 ECU records · 0 live-data parameters.
ACURA shares fault-code data with Honda. Data may not cover ACURA-specific systems.
Codes 6,283
| Code | Description | Brands | System |
|---|---|---|---|
| P1A62 | CMU05 cell voltage high | 14 | Powertrain |
| P1A63 | CMU06 cell voltage high | 15 | Powertrain |
| P1A64 | CMU07 cell voltage high | 15 | Powertrain |
| P1A65 | CMU08 cell voltage high | 14 | Powertrain |
| P1A70 | Hybrid control ECU 2 | 14 | Powertrain |
| P1A71 | 14V power module temperature sensor 2 performance | 15 | Powertrain |
| P1A72 | 14V power module temperature sensor 2 circuit low voltage | 15 | Powertrain |
| P1A7A | DC (DC converter) fault | 13 | Powertrain |
| P1A7B | Driving wheel speed signal alarm | 13 | Powertrain |
| P1A7C | Battery system charging failure | 13 | Powertrain |
| P1A7D | VCU Voltage Sensor Circuit Reference Voltage High | 13 | Powertrain |
| P1A7E | VCU Voltage Sensor Circuit Reference Voltage Low | 9 | Powertrain |
| P1A7F | CMU10 cell voltage sensor | 9 | Powertrain |
| P1A80 | Communication error | 15 | Powertrain |
| P1A81 | Service lamp request_ECU | 15 | Powertrain |
| P1A82 | Reversible alternator | 14 | Powertrain |
| P1A83 | Service lamp request_MCU | 14 | Powertrain |
| P1A84 | Reversible alternator | 14 | Powertrain |
| P1A85 | Reversible alternator | 15 | Powertrain |
| P1A86 | Reversible alternator | 16 | Powertrain |
| P1A87 | Reversible alternator | 13 | Powertrain |
| P1A88 | Reversible alternator | 14 | Powertrain |
| P1A89 | 42V system low voltage | 14 | Powertrain |
| P1A8B | 42V inverter temperature high | 15 | Powertrain |
| P1A8C | 42V inverter overtemperature | 9 | Powertrain |
| P1A8D | Starter control interface unit failure | 15 | Powertrain |
| P1A8E | Starter control interface unit failure | 14 | Powertrain |
| P1A8F | CMU02 battery balancing unit | 9 | Powertrain |
| P1A90 | 14V power module temperature sensor 1 performance | 15 | Powertrain |
| P1A91 | 14V power module temperature sensor 1 circuit low voltage | 17 | Powertrain |
| P1A92 | 14V power module temperature sensor 1 circuit high voltage | 14 | Powertrain |
| P1A93 | Reversible alternator | 14 | Powertrain |
| P1AAA | ETACS signal time out | 9 | Powertrain |
| P1AAB | Cell number error | 15 | Powertrain |
| P1AAC | Current sensor signal time out | 14 | Powertrain |
| P1AB5 | Collector 9 communication timeout | 15 | Powertrain |
| P1AB7 | Temperature sampling fault | 12 | Powertrain |
| P1ABB | HCU on/off path detection point 4 self-test malfunction | 13 | Powertrain |
| P1ABC | HCU on/off path detection point 5 self-test malfunction | 12 | Powertrain |
| P1ABD | HCU on/off path detection point 6 self-test malfunction | 12 | Powertrain |
| P1ABE | If the above is not True, check if the DTC '' is set. If so, battery over voltage is because of the battery was probably overcharged. Clear out the DTC | 15 | Powertrain |
| P1ABF | Reduction gear | 16 | Powertrain |
| P1AC1 | Reduction gear position sensor | 13 | Powertrain |
| P1AC2 | Engine minimum torque invalid | 12 | Powertrain |
| P1AC3 | Drive train | 14 | Powertrain |
| P1AC4 | Drive train | 14 | Powertrain |
| P1AC5 | Engine actual speed invalid | 13 | Powertrain |
| P1ACB | EPGS brake status invalid | 12 | Powertrain |
| P1ACC | EPGS clutch status invalid | 12 | Powertrain |
| P1ACE | EPGS clutch torque invalid | 12 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.