Diagnostic Trouble Code (DTC) Chart
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Module | DTC | Description | Action |
|---|---|---|---|
| PCM | P0420:00 | Catalyst System Efficiency Below Threshold (Bank 1): No Sub Type Information | GO to Pinpoint Test HF |
| PCM | P0430:00 | Catalyst System Efficiency Below Threshold (Bank 2): No Sub Type Information | GO to Pinpoint Test HF |