Unit, Def Dosing Control
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| SYSTEM VOLTAGE LOW | |
| SYSTEM VOLTAGE HIGH | |
| REDUCTANT HEATER CONTROL MODULE PERFORMANCE | |
| INTERNAL CONTROL MODULE MEMORY CHECKSUM ERROR | |
| INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR | |
| SENSOR REFERENCE VOLTAGE 1 CIRCUIT | |
| SENSOR REFERENCE VOLTAGE 1 CIRCUIT LOW | |
| SENSOR REFERENCE VOLTAGE 1 CIRCUIT HIGH | |
| SENSOR REFERENCE VOLTAGE 2 CIRCUIT LOW | |
| SENSOR REFERENCE VOLTAGE 2 CIRCUIT HIGH | |
| SENSOR REFERENCE VOLTAGE 1 CIRCUIT PERFORMANCE | |
| UREA INJECTOR COIL TEMPERATURE PLAUSIBILITY ERROR | |
| UREA CONTROL MODULE POWER RELAY DE-ENERGIZED PERFORMANCE - SOFTWARE RESET | |
| UREA PUMP CONTROL POSITION SENSOR - ELECTRICAL FAILURE | |
| UREA PUMP CONTROL INTERNAL FAILURE | |
| UREA PUMP CONTROL PERFORMANCE ACTUATOR STUCK | |
| UREA PUMP CONTROL PERFORMANCE/STUCK OFF LOW - INSUFFICIENT FLOW | |
| UREA PRESSURE SENSOR SIGNAL NOT VALID | |
| UREA PRESSURE SENSOR TEMPERATURE PLAUSIBILITY | |
| UREA LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE - PLAUSIBILITY CHECK BETWEEN SENSORS LEVEL | |
| UREA LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE - SIGNAL STUCK HIGH | |
| UREA TANK SENSOR GENERAL ELECTRICAL FAILURE | |
| UREA TANK HEATER CURRENT TOO HIGH | |
| UREA TUBE HEATER CURRENT TOO HIGH | |
| REDUCTANT TANK HEATER CONTROL CIRCUIT/OPEN | |
| REDUCTANT TANK HEATER CONTROL CIRCUIT LOW | |
| REDUCTANT TANK HEATER CONTROL CIRCUIT HIGH | |
| REDUCTANT LEAKAGE | |
| REDUCTANT INJECTION VALVE CIRCUIT PERFORMANCE | |
| REDUCTANT LEVEL SENSOR CIRCUIT | |
| REDUCTANT LEVEL SENSOR 1 CIRCUIT PERFORMANCE | |
| REDUCTANT LEVEL TOO LOW | |
| REDUCTANT TEMPERATURE SENSOR 1 CIRCUIT | |
| REDUCTANT INJECTOR 1/1 CIRCUIT | |
| REDUCTANT INJECTION VALVE CIRCUIT LOW (BANK 1 UNIT 1) | |
| REDUCTANT INJECTION VALVE CIRCUIT HIGH (BANK 1 UNIT 1) | |
| REDUCTANT PRESSURE SENSOR CIRCUIT | |
| REDUCTANT PRESSURE SENSOR CIRCUIT PERFORMANCE | |
| REDUCTANT SYSTEM PERFORMANCE | |
| REDUCTANT TANK TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE | |
| REDUCTANT QUALITY SENSOR CIRCUIT PERFORMANCE | |
| REDUCTANT PUMP "A" CONTROL CIRCUIT/OPEN | |
| REDUCTANT PUMP 1 CONTROL PERFORMANCE | |
| REDUCTANT PUMP "A" CONTROL CIRCUIT LOW | |
| REDUCTANT PUMP "A" CONTROL CIRCUIT HIGH | |
| REDUCTANT INJECTOR STUCK CLOSED - BANK 1 UNIT 1 | |
| REDUCTANT TANK HEATER CONTROL CIRCUIT PERFORMANCE | |
| REDUCTANT SUCTION LINE HEATER CONTROL CIRCUIT/OPEN | |
| REDUCTANT HEATER 1 CONTROL CIRCUIT PERFORMANCE | |
| REDUCTANT SUCTION LINE HEATER CONTROL CIRCUIT LOW | |
| REDUCTANT SUCTION LINE HEATER CONTROL CIRCUIT HIGH | |
| REDUCTANT PRESSURE TOO LOW | |
| REDUCTANT PRESSURE TOO HIGH | |
| REDUCTANT CONTROL MODULE POWER RELAY DE-ENERGIZED PERFORMANCE - TOO EARLY | |
| REDUCTANT CONSUMPTION TOO LOW | |
| REDUCTANT CONSUMPTION TOO HIGH | |
| REDUCTANT INJECTION VALVE STUCK OPEN BANK 1 UNIT 1 | |
| REDUCTANT CONTROL MODULE PERFORMANCE | |
| REDUCTANT HEATER 1 CURRENT TOO HIGH | |
| REDUCTANT CONTROL MODULE SUPPLY VOLTAGE LOW | |
| REDUCTANT CONTROL MODULE SUPPLY VOLTAGE HIGH | |
| REDUCTANT QUALITY MODULE PERFORMANCE | |
| REDUCTANT HEATER 1 CURRENT TOO LOW | |
| NOX EXCEEDENCE - INSUFFICIENT REDUCTANT QUALITY | |
| NOX SYSTEM DRIVER INDUCEMENT ACTIVE | |
| CAN C BUS | |
| HYBRID/EV BUS OFF | |
| LOST COMMUNICATION WITH ECM/PCM | |
| IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM | |
| INVALID DATA RECEIVED FROM REDUCTANT QUALITY MODULE |