Powertrain
generic / SAE
P2DB4
Drive Motor A Temperature Sensor C Circuit High
The ECM detects a circuit high fault on the drive motor a temperature sensor c circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / B4
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
- Connector pins corroded - high contact resistance low
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.5–3 h
- Component: drive motor a temp sensor c
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012