Evaporative Emissions DTCS
PCM DIAGNOSTICS TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| P0442 | Small leak detected in EVAP system (as small as 1.02 mm [0.040 inch]) | PCM | Go To PINPOINT TEST A . |
| P0455 | Major leak or no flow detected | PCM | Go To PINPOINT TEST B . |
| P0456 | Very small leak detected in EVAP system (as small as 0.508 mm (0.020 inch) | PCM | Go To PINPOINT TEST A . |
| P0457 | Loose or missing fuel filler cap | PCM | Go To PINPOINT TEST A . |
| P1443 | Very small or no purge flow detected | PCM | Go To PINPOINT TEST B . |
| P1450 | Excessive vacuum detected in the fuel tank | PCM | Go To PINPOINT TEST C . |