Diagnostic Trouble Code (DTC) Chart
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Module | DTC | Description | Action |
|---|---|---|---|
| PCM | P0401:00 | EGR 'A' Flow Insufficient Detected: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0402:00 | EGR 'A' Flow Excessive Detected: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0404:00 | EGR 'A' Control Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P0405:00 | EGR Sensor 'A' Circuit Low: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P0406:00 | EGR Sensor 'A' Circuit High: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P041B:00 | EGR Temperature Sensor 'B' Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P041C:00 | EGR Temperature Sensor 'B' Circuit Low: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P041D:00 | EGR Temperature Sensor 'B' Circuit High: No Sub Type Information | GO to Pinpoint Test DS |
| PCM | P044C:00 | EGR Sensor 'C' Circuit Low: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P044D:00 | EGR Sensor 'C' Circuit High: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P0471:00 | Exhaust Pressure Sensor 'A' Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P0472:00 | Exhaust Pressure Sensor 'A' Circuit Low: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P0473:00 | Exhaust Pressure Sensor 'A' Circuit High: No Sub Type Information | GO to Pinpoint Test DT |
| PCM | P04FA:00 | EGR 'A' Control Temperature Too High: No Sub Type Information | GO to Pinpoint Test KD |
| PCM | P139A:00 | EGR Sensor 'C' Hoses Reversed: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P139B:00 | EGR Sensor 'C' Upstream Hose Off or Plugged: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P139C:00 | EGR Sensor 'C' Downstream Hose Off or Plugged: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P1408:00 | EGR Flow Out Of Self Test Range: No Sub Type Information | GO to Pinpoint Test HE |
| PCM | P2457:00 | EGR Cooler 'A' Efficiency Below Threshold: No Sub Type Information | GO to Pinpoint Test HE |