DENZA fault codes
Coverage shown is BYD data: 7,677 codes · 97 vehicle records · 71 ECU records · 0 live-data parameters.
DENZA shares fault-code data with BYD. Data may not cover DENZA-specific systems.
Codes 7,677
| Code | Description | Brands | System |
|---|---|---|---|
| P1A26 | Power Converter B - High Voltage Supply Circuit - System Internal Failures | 11 | Powertrain |
| P1A27 | Front Electric Drive Unit Oil Module Transmission Fluid Pump - No Operation | 9 | Powertrain |
| P1A28 | Front Electric Drive Unit Oil Module Transmission Fluid Pressure Sensor - Signal Invalid | 9 | Powertrain |
| P1A29 | Wheel Sensor Third Axle Left. Frequency Too High | 11 | Powertrain |
| P1A2A | Hybrid/EV Battery High Voltage Bus Test Circuit | 11 | Powertrain |
| P1A2B | Hybrid/EV Battery Supply Voltage Measurement Circuit | 9 | Powertrain |
| P1A2C | Rear Electric Drive Unit Oil Module Transmission Fluid Pump - No Operation | 9 | Powertrain |
| P1A2D | Rear Electric Drive Unit Oil Module Transmission Fluid Pressure Sensor - No Operation | 10 | Powertrain |
| P1A2E | Rear Electric Drive Unit Rear Oil Acquisition Module - System Voltage High | 9 | Powertrain |
| P1A2F | Motor winding high temperature power limit | 10 | Powertrain |
| P1A30 | BIC7 equalizing circuit fault | 9 | Powertrain |
| P1A31 | BIC8 equalizing circuit fault | 9 | Powertrain |
| P1A32 | BIC9 equalizing circuit fault | 9 | Powertrain |
| P1A33 | BIC10 equalizing circuit fault | 9 | Powertrain |
| P1A34 | Pre-charge failure fault | 8 | Powertrain |
| P1A35 | Traction battery single cell voltage seriously too high | 8 | Powertrain |
| P1A36 | Traction battery single cell voltage generally too high | 8 | Powertrain |
| P1A37 | Traction battery single cell voltage seriously too low | 8 | Powertrain |
| P1A38 | Traction battery single cell voltage generally too low | 9 | Powertrain |
| P1A39 | Traction battery single cell temperature seriously too high | 10 | Powertrain |
| P1A3A | Traction battery single cell temperature generally too high | 9 | Powertrain |
| P1A3B | Traction battery single cell temperature seriously too low | 14 | Powertrain |
| P1A3C | Traction battery single cell temperature generally too low | 10 | Powertrain |
| P1A3D | Negative contactor check-back fault | 8 | Powertrain |
| P1A3E | Positive contactor check-back fault | 10 | Powertrain |
| P1A3F | Pre-charge contactor check-back fault | 9 | Powertrain |
| P1A40 | Traction battery | 11 | Powertrain |
| P1A41 | Traction battery | 10 | Powertrain |
| P1A42 | Shift lever R lamp circuit low | 10 | Powertrain |
| P1A43 | Shift lever R lamp circuit high | 10 | Powertrain |
| P1A44 | Charging sensor fault | 9 | Powertrain |
| P1A45 | BMS self-test malfunction | 8 | Powertrain |
| P1A46 | Fault occurred at crash | 8 | Powertrain |
| P1A47 | Power battery fault | 13 | Powertrain |
| P1A48 | Battery cooling fan output circuit | 10 | Powertrain |
| P1A49 | CMU drive relay | 10 | Powertrain |
| P1A4A | Driving relay fault | 15 | Powertrain |
| P1A4B | Internal Control Module Clutch Parameter B Performance | 8 | Powertrain |
| P1A4C | Single battery voltage too high | 9 | Powertrain |
| P1A4D | Current hall sensor fault | 9 | Powertrain |
| P1A4E | ICM Internal Malfunction(Torque Calculation) | 18 | Powertrain |
| P1A4F | Single battery voltage too low | 15 | Powertrain |
| P1A50 | Drive motor 1 control module random access memory | 16 | Powertrain |
| P1A51 | Drive motor 1 control module read only memory | 17 | Powertrain |
| P1A52 | Drive motor 2 control module not programmed | 16 | Powertrain |
| P1A53 | Drive motor 2 control module random access memory | 15 | Powertrain |
| P1A54 | Collision hardwire alarm | 14 | Powertrain |
| P1A55 | Battery pack capacity low | 14 | Powertrain |
| P1A56 | Hybrid/EV System Voltage Discharge Circuit | 13 | Powertrain |
| P1A57 | High current pull-off contactor | 14 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.