What does code P1288 mean on Ford vehicles?
The cylinder head temperature (CHT) sensor reports values outside the allowed range during system self-test.
OBD-II Code Ford
P1288 — Ford — CHT Out of Range During Self-Test
The cylinder head temperature (CHT) sensor reports values outside the allowed range during system self-test.
Common symptoms
- Check engine light
- cooling fan activates prematurely
Possible causes
- Faulty CHT sensor
- electrical fault
Initial recommendation
Verify CHT sensor operation and inspect wiring.
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.
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