Powertrain
generic / SAE
P0E7C
Auxiliary Cooling Coolant Temperature Sensor A Circuit Range/Performance
The ECM detects a range/performance fault on the auxiliary cooling coolant temperature sensor a circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 7C
Possible causes
- Sensor characteristic drifted high
- Sensor mounting displaced medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: aux cooling coolant temp sensor a
- Component: wiring harness
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012