Fuel System DTCS
PCM DIAGNOSTICS TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| P0442 | Small Leak Detected in EVAP System | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM . |
| P0457 | Cap Off | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM |
| P0456 | Very Small Leak Detected in EVAP System | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM . |
| P0455 | Major Leak or no Flow Detected | PCM | Go To PINPOINT TEST B: DTC P0455 MAJOR LEAK OR NO FLOW DETECTED OR DTC P1443 VERY SMALL OR NO PURGE FLOW DETECTED IN SYSTEM . |
| P1443 | Very Small or no Purge Flow Detected | PCM | Go To PINPOINT TEST B: DTC P0455 MAJOR LEAK OR NO FLOW DETECTED OR DTC P1443 VERY SMALL OR NO PURGE FLOW DETECTED IN SYSTEM . |
| P1450 | Excessive Vacuum Detected in the Fuel Tank | PCM | Go To PINPOINT TEST C: DTC P1450 EXCESSIVE VACUUM DETECTED IN THE FUEL TANK . |
| - | Any Other PCM DTC | PCM | Refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . |