Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P1DBD | Fuel pressure sensor rationality | 5 | Powertrain |
| P1DBE | Vízszivattyú (EWP) hibája | 4 | Powertrain |
| P1DBF | No description available | 3 | Powertrain |
| P1DC0 | Lost power for FPS control module | 11 | Powertrain |
| P1DC1 | Hydrogen supply valve pressure control error | 12 | Powertrain |
| P1DC2 | HV Battery Pack Voltage Uneven | 11 | Powertrain |
| P1DC3 | Stack voltage error | 11 | Powertrain |
| P1DC4 | Stack coolant insulation fail & coolant conductivity low | 11 | Powertrain |
| P1DC5 | Hydrogen leak in the engine room area | 12 | Powertrain |
| P1DC6 | High Voltage Battery Cell Voltage Sensor Software Version Mismatch | 8 | Powertrain |
| P1DC7 | Clutch Temp Threshold Achieved - Shift Time Reduction | 7 | Powertrain |
| P1DCB | Vetyvuoto hytissä | 11 | Powertrain |
| P1DCC | Fuel pressure sensor control erratic | 12 | Powertrain |
| P1DCD | TCM monitoring processor performance - multiple clutches locked up | 14 | Powertrain |
| P1DCE | Abiaku aku pinge kõrge | 13 | Powertrain |
| P1DCF | Tank pressure sensor input out of range high | 8 | Powertrain |
| P1DD8 | VCU Temperature Sensor Circuit | 4 | Powertrain |
| P1DD9 | VCU I1 Current Sensor Circuit | 2 | Powertrain |
| P1DDB | Reactor Temperature Sensor Circuit | 3 | Powertrain |
| P1DDD | TCM monitoring performance - unable to disengage drive or reverse | 8 | Powertrain |
| P1DE0 | Hydrogen tank 2 temperature out of range low | 5 | Powertrain |
| P1DE4 | VCU V1 Voltage Sensor Circuit | 10 | Powertrain |
| P1DE6 | Line pressure high | 12 | Powertrain |
| P1DFA | Actual Increase of Engine Torque - High | 7 | Powertrain |
| P1DFB | Transmission Range Sensor No Input | 5 | Powertrain |
| P1DFC | Error of Torque limitation Due to High Temperature of stator | 5 | Powertrain |
| P1DFD | Error of Torque limitation Due to DClnk overVoltage | 5 | Powertrain |
| P1DFE | A/C Control Relay Stuck On | 3 | Powertrain |
| P1DFF | Error of Torque limitation Due to over Speed | 4 | Powertrain |
| P1E00 | PTC heater temperature sensor high | 14 | Powertrain |
| P1E01 | Output 2#voltage fault | 14 | Powertrain |
| P1E02 | Low battery warning | 15 | Powertrain |
| P1E03 | Insulation too low warning | 16 | Powertrain |
| P1E04 | DC2 output overcurrent | 15 | Powertrain |
| P1E05 | DC2 radiator overtemperature | 15 | Powertrain |
| P1E06 | DC2 input overvoltage | 15 | Powertrain |
| P1E07 | DC2 input undervoltage | 14 | Powertrain |
| P1E08 | Hybrid/EV Battery Contactor Status Circuit Low Voltage | 14 | Powertrain |
| P1E09 | Downstream oxygen sensor not enter closed loop control within specified time | 14 | Powertrain |
| P1E0A | Closed loop fueling not achieved - bank 2 downstream | 14 | Powertrain |
| P1E0B | Ladegerät-Ausgangsstrom zu hoch | 13 | Powertrain |
| P1E0C | Large cell temperature difference warning | 13 | Powertrain |
| P1E0D | Large cell temperature difference | 12 | Powertrain |
| P1E0E | Cell voltage difference is large | 11 | Powertrain |
| P1E0F | Litar sensor suhu bateri (1) | 11 | Powertrain |
| P1E10 | Hybrid/EV battery voltage isolation high resolution sensing circuit 1 high voltage | 11 | Powertrain |
| P1E11 | Litar sensor suhu bateri (1) | 12 | Powertrain |
| P1E12 | Hybrid/EV battery voltage isolation high resolution sensing circuit 2 low voltage | 11 | Powertrain |
| P1E13 | Hybrid/EV battery voltage isolation high resolution sensing circuit 2 high voltage | 12 | Powertrain |
| P1E14 | BATT.TEMP sensor circuit(1) | 14 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.