CADILLAC fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
CADILLAC shares fault-code data with GM. Data may not cover CADILLAC-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| P04CB | Fuel fill door open request sensor/switch circuit high | 11 | Powertrain |
| P04CF | EGR temperature sensor 'C' circuit range/performance | 11 | Powertrain |
| P04D0 | EGR temperature sensor 'C' circuit low | 11 | Powertrain |
| P04D1 | EGR temperature sensor 'C' circuit high | 11 | Powertrain |
| P04D2 | EGR temperature sensor 'C' circuit intermittent/erratic | 11 | Powertrain |
| P04D9 | Trunk opening failure | 15 | Powertrain |
| P04DB | Crankcase Ventilation System Disconnected | 21 | Powertrain |
| P04DC | Left rear power window lowering control failure | 12 | Powertrain |
| P04DD | Right rear power window lift control failure | 15 | Powertrain |
| P04DE | Right rear power window lowering control failure | 15 | Powertrain |
| P04DF | EVAP System Purge Control Valve A Performance/Stuck Open | 18 | Powertrain |
| P04E2 | Crankcase ventilation pipe connection sensor short circuit to ground | 15 | Powertrain |
| P04E3 | Crankcase ventilation line connection sensor circuit short to high voltage | 15 | Powertrain |
| P04FB | Crankcase Ventilation Hose Connection Sensor Range/Performance | 10 | Powertrain |
| P0500 | Vehicle Speed Sensor A | 43 | Powertrain |
| P0501 | Vehicle Speed Sensor A Range/Performance | 39 | Powertrain |
| P0502 | Vehicle Speed Sensor A Circuit Low Input | 35 | Powertrain |
| P0503 | Vehicle Speed Sensor A Intermittent/Erratic/High | 37 | Powertrain |
| P0504 | Brake Switch A/B Correlation | 37 | Powertrain |
| P0505 | Idle Air Control System | 39 | Powertrain |
| P0506 | Idle Air Control System RPM Lower Than Expected | 37 | Powertrain |
| P0507 | Idle Air Control System RPM Higher Than Expected | 40 | Powertrain |
| P0508 | Idle Air Control System Circuit Low | 30 | Powertrain |
| P0509 | Idle Air Control System Circuit High | 30 | Powertrain |
| P050A | Cold Start Idle Control System Performance | 32 | Powertrain |
| P050B | Cold Start Ignition Timing Performance | 33 | Powertrain |
| P050C | Cold start engine coolant temperature performance | 25 | Powertrain |
| P050D | Cold start rough idle | 26 | Powertrain |
| P050E | Engine exhaust temperature is too low at cold start | 27 | Powertrain |
| P050F | Brake assist vacuum too low | 24 | Powertrain |
| P0510 | Closed Throttle Position Switch | 31 | Powertrain |
| P0511 | Idle Air Control Circuit | 30 | Powertrain |
| P0512 | Starter Request Circuit | 34 | Powertrain |
| P0513 | Incorrect Immobilizer Key | 38 | Powertrain |
| P0514 | Battery Temperature Sensor Circuit Range/Performance | 24 | Powertrain |
| P0515 | Battery Temperature Sensor Circuit | 28 | Powertrain |
| P0516 | Battery Temperature Sensor Circuit Low | 30 | Powertrain |
| P0517 | Battery Temperature Sensor Circuit High | 30 | Powertrain |
| P0518 | Idle Air Control Circuit Intermittent | 22 | Powertrain |
| P0519 | Idle Air Control System Performance | 24 | Powertrain |
| P051A | Crankcase Pressure Sensor Circuit | 20 | Powertrain |
| P051B | Crankcase Pressure Sensor Circuit Range/Performance | 25 | Powertrain |
| P051C | Crankcase Pressure Sensor Circuit Low | 25 | Powertrain |
| P051D | Crankcase Pressure Sensor Circuit High | 25 | Powertrain |
| P051E | Crankcase Pressure Sensor Circuit Intermittent/Erratic | 22 | Powertrain |
| P051F | PCV filter restriction | 19 | Powertrain |
| P0520 | Engine Oil Pressure Sensor/Switch Circuit | 35 | Powertrain |
| P0521 | Engine Oil Pressure Sensor/Switch Circuit Range/Performance | 38 | Powertrain |
| P0522 | Engine Oil Pressure Sensor/Switch Circuit Low Voltage | 35 | Powertrain |
| P0523 | Engine Oil Pressure Sensor/Switch Circuit High Voltage | 32 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.