Powertrain
generic / SAE
P0A04
Motor Electronics Coolant Temperature Sensor A Circuit Intermittent
The motor electronics coolant temperature sensor A signal drops out intermittently. Loose connector or noisy ground reference.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 04
Possible causes
- Connector not seated high
- Noisy ground reference medium
- Connector with intermittent contact under vibration low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: motor electronics coolant temp sensor a
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012