Generic Fault Codes & DTC List
Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.
| Code | Meaning | Applicability |
|---|---|---|
| P0236 | Manifold absolute pressure (MAP) sensor A, TC system range/performance problem | Generic Generic OBD |
| P0237 | Manifold absolute pressure (MAP) sensor A, TC system low input | Generic Generic OBD |
| P0238 | Manifold absolute pressure (MAP) sensor A, TC system high input | Generic Generic OBD |
| P0239 | Manifold absolute pressure (MAP) sensor B, TC system circuit malfunction | Generic Generic OBD |
| P023A | Charge Air Cooler Coolant Pump Control Circuit/Open | Generic Generic OBD |
| P023B | Charge Air Cooler Coolant Pump Control Circuit Low | Generic Generic OBD |
| P023C | Charge Air Cooler Coolant Pump Control Circuit High | Generic Generic OBD |
| P023D | Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor "A" Correlation | Generic Generic OBD |
| P023E | Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor "B" Correlation | Generic Generic OBD |
| P023F | Fuel Pump Secondary Circuit/Open | Generic Generic OBD |
| P0240 | Manifold absolute pressure (MAP) sensor B, TC system range/performance problem | Generic Generic OBD |
| P0241 | Manifold absolute pressure (MAP) sensor B, TC system low input | Generic Generic OBD |
| P0242 | Manifold absolute pressure (MAP) sensor B, TC system high input | Generic Generic OBD |
| P0243 | Turbocharger (TC) wastegate regulating valve A circuit malfunction | Generic Generic OBD |
| P0244 | Turbocharger (TC) wastegate regulating valve A range/performance problem | Generic Generic OBD |
| P0245 | Turbocharger (TC) wastegate regulating valve A circuit low | Generic Generic OBD |
| P0246 | Turbocharger (TC) wastegate regulating valve A circuit high | Generic Generic OBD |
| P0247 | Turbocharger (TC) wastegate regulating valve B -circuit malfunction | Generic Generic OBD |
| P0248 | Turbocharger (TC) wastegate regulating valve B -range/performance problem | Generic Generic OBD |
| P0249 | Turbocharger (TC) wastegate regulating valve B -circuit low | Generic Generic OBD |
| P024A | Charge Air Cooler Bypass Control "A" Range/Performance | Generic Generic OBD |
| P024B | Charge Air Cooler Bypass Control "A" Stuck | Generic Generic OBD |
| P024C | Charge Air Cooler Bypass Position Sensor "A" Circuit | Generic Generic OBD |
| P024D | Charge Air Cooler Bypass Position Sensor "A" Circuit Range/Performance | Generic Generic OBD |
| P024E | Charge Air Cooler Bypass Position Sensor "A" Circuit Low | Generic Generic OBD |
| P024F | Charge Air Cooler Bypass Position Sensor "A" Circuit High | Generic Generic OBD |
| P0250 | Turbocharger (TC) wastegate regulating valve B -circuit high | Generic Generic OBD |
| P0251 | Injection pump A, rotor/cam -circuit malfunction | Generic Generic OBD |
| P0252 | Injection pump A, rotor/cam -range/performance problem | Generic Generic OBD |
| P0253 | Injection pump A, rotor/cam -circuit low | Generic Generic OBD |
| P0254 | Injection pump A, rotor/cam -circuit high | Generic Generic OBD |
| P0255 | Injection pump A, rotor/cam -circuit intermittent | Generic Generic OBD |
| P0256 | Injection pump 8, rotor/cam -circuit malfunction | Generic Generic OBD |
| P0257 | Injection pump 8, rotor/cam -range/performance problem | Generic Generic OBD |
| P0258 | Injection pump B, rotor/cam -circuit low | Generic Generic OBD |
| P0259 | Injection pump 8, rotor/cam -circuit high | Generic Generic OBD |
| P025A | Fuel Pump Module Control Circuit/Open | Generic Generic OBD |
| P025B | Fuel Pump Module Control Circuit Range/Performance | Generic Generic OBD |
| P025C | Fuel Pump Module Control Circuit Low | Generic Generic OBD |
| P025D | Fuel Pump Module Control Circuit High | Generic Generic OBD |
| P025E | ISO/SAE Reserved | Generic Generic OBD |
| P025F | ISO/SAE Reserved | Generic Generic OBD |
| P0260 | Injection pump 8, rotor/cam -circuit intermittent | Generic Generic OBD |
| P0261 | Injector 1 -circuit low | Generic Generic OBD |
| P0262 | Injector 1 -circuit high | Generic Generic OBD |
| P0263 | Cylinder 1 -contribution/balance fault | Generic Generic OBD |
| P0264 | Injector 2 -circuit low | Generic Generic OBD |
| P0265 | Injector 2 -circuit high | Generic Generic OBD |
| P0266 | Cylinder 2 -contribution/balance fault | Generic Generic OBD |
| P0267 | Injector 3 -circuit low | Generic Generic OBD |
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