OBD-II Code Ford

P1290 — Ford — CHT Signal Below Self-Test Range

The CHT sensor sends a signal lower than permitted during self-test.

Brand Ford
System Cooling System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1290 mean on Ford vehicles?

The CHT sensor sends a signal lower than permitted during self-test.

Common symptoms

  • Incorrect mixture control
  • erratic fan operation

Possible causes

  • Faulty CHT sensor
  • open circuit

Initial recommendation

Inspect CHT sensor connections and wiring integrity.

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

Use the app to combine Ford code P1290 with your vehicle's actual symptoms for more complete diagnostic guidance.

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