Powertrain
generic / SAE
P0EC7
A/C Refrigerant Temperature Sensor A Circuit Intermittent/Erratic
The ECM detects a intermittent/erratic fault on the a/c refrigerant temperature sensor a circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / C7
Possible causes
- Sensor connector not seated high
- Noisy ground reference medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: ac refrigerant temp sensor a
- Component: wiring harness
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012