PCM Diagnostics Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
PCM DIAGNOSTICS TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| P0442 | Small Leak Detected in EVAP System (as small as 1.02 mm [0.040 inch]) | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM . |
| P0455 | Gross 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 . |
| P0456 | Very Small Leak Detected in EVAP System as small as 0.5 mm (0.020 in) | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM . |
| P0457 | Fuel Cap Loose or Off | PCM | Go To PINPOINT TEST A: DTC P0442 SMALL LEAK IN EVAP SYSTEM . |
| P1443 | Evaporative Emissions System Control Valve (Low/No Flow) | 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 | Unable to Bleed Up Fuel Tank Vacuum | PCM | Go To PINPOINT TEST C: DTC P1450 EXCESSIVE VACUUM DETECTED IN THE FUEL TANK . |
| - | Any Other PCM DTC | PCM | REFER to the INTRODUCTION - CNG, FLEX-FUEL & GASOLINE article. |