P1183 Engine Oil Temperature Sensor Circuit Malfunction
What does P1183 mean on a Ford?
P1183 — Engine Oil Temperature Sensor Circuit Malfunction. This Ford-enhanced code applies to F-150, Super Duty, Mustang with oil temperature sensing.
Common causes of P1183
- Failed oil temperature sensor
- Open or shorted sensor circuit
- Oil-soaked connector
- Chafed harness near hot components
- PCM reference fault
How to fix P1183
- Inspect the sensor connector for oil intrusion
- Test sensor resistance against temperature charts
- Check circuit continuity
- Verify oil level and condition
- Replace the sensor if out of specification