Diagnostic Strategy: Diagnostics
WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Carry out ON-BOARD DIAGNOSTIC (OBD) PROCEDURES , Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER).
- Record all DTCs.
- Repair all non-transmission codes first.
- Repair all transmission codes second.
- Clear all continuous codes and attempt to repeat them.
- Repair all continuous codes.
- If only codes that have passed are obtained, refer to DIAGNOSIS BY SYMPTOM .for additional information and diagnosis.
Follow the diagnostic sequence to diagnose and repair the concern the first time.