Diagnostic Trouble Code Search
Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.
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P Codes |
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| Code | Type | System | System Name | Module | Message |
| P1438 | P-Code | Powertrain | A/C Evaporator Air Temperature Circuit Range/Performance | Engine Control Module | A/C Evaporator Air Temperature Circuit Range/Performance |
| P1439 | P-Code | Powertrain | Floor Temperature Switch Circuit Malfunction | Engine Control Module | Floor Temperature Switch Circuit Malfunction |
| P1440 | P-Code | Powertrain | Purge Valve Stuck Open | Engine Control Module | Purge Valve Stuck Open |
| P1441 | P-Code | Powertrain | Evaporative Emission (EVAP) System Flow During Non-Purge Chevrolet Only | Engine Control Module | Evaporative Emission (EVAP) System Flow During Non-Purge Chevrolet Only |
| P1441 | P-Code | Powertrain | Evaporative Emission (EVAP) System Flow During Non-Purge Oldsmobile Only | Engine Control Module | Evaporative Emission (EVAP) System Flow During Non-Purge Oldsmobile Only |
| P1442 | P-Code | Powertrain | Evaporative Emission Control System Leak Detected | Engine Control Module | Evaporative Emission Control System Leak Detected |
| P1443 | P-Code | Powertrain | Evaporative Emission Control System Control Valve | Engine Control Module | Evaporative Emission Control System Control Valve |
| P1444 | P-Code | Powertrain | Purge Flow Sensor Circuit Low Input | Engine Control Module | Purge Flow Sensor Circuit Low Input |
| P1445 | P-Code | Powertrain | Purge Flow Sensor Circuit High Input | Engine Control Module | Purge Flow Sensor Circuit High Input |
| P1446 | P-Code | Powertrain | Evaporative Vac Solenoid Circuit Malfunction | Engine Control Module | Evaporative Vac Solenoid Circuit Malfunction |
| P1447 | P-Code | Powertrain | ELC System Closure Valve Flow Fault | Engine Control Module | ELC System Closure Valve Flow Fault |
| P1448 | P-Code | Powertrain | ELC System 2 Fault | Engine Control Module | ELC System 2 Fault |
| P1449 | P-Code | Powertrain | Evaporative Check Solenoid Circuit Malfunction | Engine Control Module | Evaporative Check Solenoid Circuit Malfunction |
| P1450 | P-Code | Powertrain | Unable To Bleed Up Fuel Tank Vacuum | Engine Control Module | Unable To Bleed Up Fuel Tank Vacuum |
| P1451 | P-Code | Powertrain | Evap Emission Control Sys Vent Control Valve Circuit | Engine Control Module | Evap Emission Control Sys Vent Control Valve Circuit |
| P1452 | P-Code | Powertrain | Unable To Bleed – Up Vacuum in Tank | Engine Control Module | Unable To Bleed – Up Vacuum in Tank |
| P1453 | P-Code | Powertrain | Fuel Tank Pressure Relief Valve Malfunction | Engine Control Module | Fuel Tank Pressure Relief Valve Malfunction |
| P1454 | P-Code | Powertrain | Evaporative System Vacuum Test Malfunction | Engine Control Module | Evaporative System Vacuum Test Malfunction |
| P1455 | P-Code | Powertrain | Evap Emission Control Sys Leak Detected (Gross Leak/No Flow) | Engine Control Module | Evap Emission Control Sys Leak Detected (Gross Leak/No Flow) |
| P1456 | P-Code | Powertrain | Fuel Tank Temperature Sensor Circuit Malfunction | Engine Control Module | Fuel Tank Temperature Sensor Circuit Malfunction |