Powertrain
generic / SAE
P2E7B
Drive Motor A Excitation Current Sensor Circuit
The drive motor A excitation current sensor circuit reports a generic fault. Field excitation current measurement is unreliable.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 7B
Possible causes
- Excitation current sensor failed high
- Wiring fault medium
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–1800 €
- Estimated time: 2–6 h
- Component: drive motor a excitation current sensor
- Component: wiring harness
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012