What does code P1001 mean on Ford vehicles?
The Key On Engine Running (KOER) diagnostic test could not be completed correctly according to system parameters.
OBD-II Code Ford
P1001 — Ford — KOER Test Not Completed
The Key On Engine Running (KOER) diagnostic test could not be completed correctly according to system parameters.
Common symptoms
- Check engine light on
- intermittent faults during testing
Possible causes
- Interrupted KOER procedure
- sensors out of range
- pre-existing active faults
Initial recommendation
Repeat the KOER test and verify related sensors and prerequisites.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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