ECD SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
Parameters listed in the chart may be different from your readings depending on the type of instruments and other factors.
If any DTCs are displayed during a check mode, check the circuit for the DTCs listed in the below. For details of each DTC, refer to the page indicated.
| DTC Code | Detection Item | Trouble Area | MIL | Memory | See page |
|---|---|---|---|---|---|
| P0087/49 | Fuel Rail / System Pressure - Too Low | 1. Open or short in fuel pressure sensor circuit 2. Fuel pressure sensor 3. ECM |
Comes on | DTC Stored | |
| P0088/78 | Fuel Rail / System Pressure - Too High | 1. Suction control valve 2. Pressure limiter 3. Short in suction control valve circuit 4. ECM |
Comes on | DTC Stored | |
| P0093/78 | Fuel System Leak Detected - Large Leak | 1. Fuel line between supply pump and common rail 2. Fuel line between common rail and each injector 3. Suction control valve 4. Common rail 5. Injectors 6 .Pressure limiter 7. Open or short in EDU circuit (P0200/97 set simultaneously) 8. Open or short in injector circuit 9. EDU (P0200/97 set simultaneously) 10. ECM |
Comes on | DTC Stored | |
| P0095/23 | Intake Air Temperature Sensor 2 Circuit | 1. Open or short in diesel turbo IAT sensor circuit 2. Diesel turbo IAT sensor 3. ECM |
Comes on | DTC Stored | |
| P0097/23 | Intake Air Temperature Sensor 2 Circuit Low | 1. Open or short in diesel turbo IAT sensor circuit 2. Diesel turbo IAT sensor 3. ECM |
Comes on | DTC Stored | |
| P0098/23 | Intake Air Temperature Sensor 2 Circuit High | 1. Open or short in diesel turbo IAT sensor circuit 2. Diesel turbo IAT sensor 3. ECM |
Comes on | DTC Stored | |
| P0105/31 | Manifold Absolute Pressure / Barometric Pressure Circuit | 1. Open or short in manifold absolute pressure sensor circuit 2. Manifold absolute pressure sensor 3. Turbocharger assembly 4. EGR valve assembly 5. ECM |
Comes on | DTC Stored | |
| P0107/35 | Manifold Absolute Pressure / Barometric Pressure Circuit Low Input | 1. Open or short in manifold absolute pressure sensor circuit 2. Manifold absolute pressure sensor 3. Turbocharger assembly 4. EGR valve assembly 5. ECM |
Comes on | DTC Stored | |
| P0108/35 | Manifold Absolute Pressure / Barometric Pressure Circuit High Input | 1. Open or short in manifold absolute pressure sensor circuit 2. Manifold absolute pressure sensor 3. Turbocharger assembly 4. EGR valve assembly 5. ECM |
Comes on | DTC Stored | |
| P0110/24 | Intake Air Temperature Circuit | 1. Open or short in IAT sensor circuit 2. IAT sensor 3. ECM |
- | DTC Stored | |
| P0112/24 | Intake Air Temperature Circuit Low Input | 1. Open or short in IAT sensor circuit 2. IAT sensor 3. ECM |
- | DTC Stored | |
| P0113/24 | Intake Air Temperature Circuit High Input | 1. Open or short in IAT sensor circuit 2. IAT sensor 3. ECM |
- | DTC Stored | |
| P0115/22 | Engine Coolant Temperature Circuit | 1. Open or short in ECT sensor circuit 2. ECT sensor 3. ECM |
Comes on | DTC Stored | |
| P0117/22 | Engine Coolant Temperature Circuit Low Input | 1. Open or short in ECT sensor circuit 2. ECT sensor 3. ECM |
Comes on | DTC Stored | |
| P0118/22 | Engine Coolant Temperature Circuit High Input | 1. Open or short in ECT sensor circuit 2. ECT sensor 3. ECM |
Comes on | DTC Stored | |
| P0120/41 | Throttle Pedal Position Sensor / Switch "A" Circuit Malfunction | 1. Open or short in throttle valve position sensor circuit 2. Throttle position sensor 3. ECM |
Comes on | DTC Stored | |
| P0122/41 | Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input | 1. Throttle position sensor 2. Open or short in VLU circuit 3. Open in VC circuit 4. ECM |
Comes on | DTC Stored | |
| P0123/41 | Throttle / Pedal Position Sensor / Switch "A" Circuit High Input | 1. Throttle position sensor 2. Open in E2 circuit 3. VC and VLU circuits are short-circuited 4. ECM |
Comes on | DTC Stored | |
| P0168/39 | Fuel Temperature Too High | 1. Fuel temperature sensor | Comes on | DTC Stored | |
| P0180/39 | Fuel Temperature Sensor "A" Circuit | 1. Open or short in fuel temperature sensor circuit 2. Fuel temperature sensor 3. ECM |
Comes on | DTC Stored | |
| P0182/39 | Fuel Temperature Sensor "A" Circuit Low Input | 1. Open or short in fuel temperature sensor circuit 2. Fuel temperature sensor 3. ECM |
Comes on | DTC Stored | |
| P0183/39 | Fuel Temperature Sensor "A" Circuit High Input | 1. Open or short in fuel temperature sensor circuit 2. Fuel temperature sensor 3. ECM |
Comes on | DTC Stored | |
| P0190/49 | Fuel Rail Pressure Sensor Circuit | 1. Open or short in fuel pressure sensor circuit 2. Fuel pressure sensor 3. ECM |
Comes on | DTC Stored | |
| P0192/49 | Fuel Rail Pressure Sensor Circuit Low Input | 1. Open or short in fuel pressure sensor circuit 2. Fuel pressure sensor 3. ECM |
Comes on | DTC Stored | |
| P0193/49 | Fuel Rail Pressure Sensor Circuit High Input | 1. Open or short in fuel pressure sensor circuit 2. fuel pressure sensor 3. ECM |
Comes on | DTC Stored | |
| P0200/97 | Injector Circuit / Open | 1. Open or short in EDU circuit 2. Injector 3. EDU 4. ECM |
Comes on | DTC Stored | |
| P0335/12 | Crankshaft Position Sensor "A" Circuit | 1. Open or short in crankshaft position sensor circuit 2. Crankshaft position sensor 3. Crankshaft position sensor plate No. 1 4. ECM |
Comes on | DTC Stored | |
| P0339/13 | Crankshaft Position Sensor "A" Circuit Intermittent | 1. Open or short in crankshaft position sensor circuit 2. Crankshaft position sensor 3. Crankshaft position sensor plate No. 1 4. ECM |
- | DTC Stored | |
| P0340/12 | Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) | 1. Open or short in camshaft position sensor circuit 2. Camshaft position sensor 3. Pump drive shaft pulley 4. ECM |
Comes on | DTC Stored | |
| P0400/71 | Exhaust Gas Recirculation Flow | 1. EGR valve stuck 2. EGR valve does not move smoothly 3. Open or short in E-VRV for EGR circuit 4. Open or short in EGR valve position sensor circuit 5. EGR valve position sensor 6. Vacuum pump 7. Vacuum hose connection loose 8. ECM |
Comes on | DTC Stored | |
| P0405/96 | Exhaust Gas Recirculation Sensor "A" Circuit Low | 1. Open or short in EGR valve position sensor circuit 2. EGR valve position sensor 3. ECM |
Comes on | DTC Stored | |
| P0406/96 | Exhaust Gas Recirculation Sensor "A" Circuit High | 1. Open or short in EGR valve position sensor circuit 2. EGR valve position sensor 3. ECM |
Comes on | DTC Stored | |
| P0488/15 | Exhaust Gas Recirculation Throttle Position Control Range / Performance | 1. Throttle valve stuck 2. Throttle valve does not move smoothly 3. Open or short in throttle valve circuit 4. Open or short in throttle valve position sensor circuit 5. Throttle position sensor (built in diesel throttle body assembly) 6. ECM |
Comes on | DTC Stored | |
| P0500/42 | Vehicle Speed Sensor "A" | 1. Open or short in speed sensor circuit 2. Speed sensor 3. Combination meter 4. ECM |
Comes on | DTC Stored | |
| P0504/51 | Brake Switch "A" / "B" Correlation | 1. Short in stop light switch signal circuit 2. Stop light switch 3. ECM |
- | DTC Stored | |
| P0606/89 | ECM / PCM Processor | 1. ECM | Comes on | DTC Stored | |
| P0607/89 | Control Module Performance | 1. ECM | Comes on | DTC Stored | |
| P0627/78 | Fuel Pump Control Circuit / Open | 1. Open or short in suction control valve circuit 2. Suction control valve 3. ECM |
Comes on | DTC Stored | |
| P1229/78 | Fuel Pump System | 1. Short in suction control valve circuit 2. Suction control valve 3. ECM |
Comes on | DTC Stored | |
| P1290/22 | Engine Coolant Temperature Circuit | 1. Open or short in engine coolant temperature (radiator) sensor circuit 2. Engine coolant temperature (radiator) sensor 3. ECM |
Comes on | DTC Stored | |
| P1292/22 | Short in Engine Coolant Temperature Circuit | 1. Short in engine coolant temperature (radiator) sensor circuit 2. Engine coolant temperature (radiator) sensor 3. ECM |
Comes on | DTC Stored | |
| P1293/22 | Open in Engine Coolant Temperature Circuit | 1. Open in engine coolant temperature (radiator) sensor circuit 2. Engine coolant temperature (radiator) sensor 3. ECM |
Comes on | DTC Stored | |
| P1601/89 | Injector Compensation Code | 1. Injector compensation code 2. ECM |
Comes on | DTC Stored | |
| P1611/17 | Run Pulse Malfunction | 1. Injector compensation code | Come on | DTC Stored | |
| P2120/19 | Throttle / Pedal Position Sensor / Switch "D" Circuit | 1.Accelerator pedal position sensor 2. Accelerator pedal 3. Accelerator pedal rod (arm) deformed 4. ECM |
Comes on | DTC Stored | |
| P2121/19 | Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance | 1. Accelerator pedal position sensor circuit 2. Accelerator pedal position sensor 3. ECM |
Comes on | DTC Stored | |
| P2122/19 | Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input | 1. Accelerator pedal position sensor 2. Open in VCPA circuit 3. VPA circuit open or ground short 4. Accelerator pedal 5. Accelerator pedal rod (arm) deformed 6. ECM |
Comes on | DTC Stored | |
| P2123/19 | Throttle / Pedal Position Sensor / Switch "D" Circuit High Input | 1. Accelerator pedal position sensor 2. Open in EPA circuit 3. Accelerator pedal 4. Accelerator pedal rod (arm) deformed 5. ECM |
Comes on | DTC Stored | |
| P2125/19 | Throttle / Pedal Position Sensor / Switch "E" Circuit | 1. Accelerator pedal position sensor 2. Accelerator pedal 3. Accelerator pedal rod (arm) deformed 4. ECM |
Comes on | DTC Stored | |
| P2127/19 | Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input | 1. Accelerator pedal position sensor 2. Open in VCP2 circuit 3. VPA2 circuit open or ground short 4. Accelerator pedal 5. Accelerator pedal rod (arm) deformed 6. ECM |
Comes on | DTC Stored | |
| P2128/19 | Throttle / Pedal Position Sensor / Switch "E" Circuit High Input | 1. Accelerator pedal position sensor 2. Open in EPA2 circuit 3. Accelerator pedal 4. Accelerator pedal rod (arm) deformed 5. ECM |
Comes on | DTC Stored | |
| P2138/19 | Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation | 1. VPA and VPA2 circuit are short circuited 2. Accelerator pedal position sensor 3. Accelerator pedal 4. Accelerator pedal rod (arm) deformed 5 ECM |
Comes on | DTC Stored | |
| P2226/A5 | Barometric Pressure Circuit | 1. ECM | Comes on | DTC Stored | |
| P2228/A5 | Barometric Pressure Circuit Low Input | 1. ECM | Comes on | DTC Stored | |
| P2229/A5 | Barometric Pressure Circuit High Input | 1. ECM | Comes on | DTC Stored | |
| U0001/A2 | High Speed CAN Communication Bus | 1. ECM | Comes on | DTC Stored |