Engine Coolant Temperature Sensor 5 Range/Performance
The engine coolant temperature 5 signal does not match plausibility checks against related signals. Sensor drift.
Affected components
- Engine coolant temperature sensor 5
- Wiring harness
- Ecm
Common causes
- High likelihood: Sensor characteristic drifted
- Medium likelihood: Sensor mounting displaced from reference path
- Low likelihood: Sensor element aged beyond calibration window
Possible symptoms
- Check engine light on
- Cooling fan runs constantly or not at all
- Cabin heater weak or excessively hot
- Possible long warm-up time or hard cold start
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.