Powertrain
Definition only
Lights the check engine lamp
P2E7B: Drive Motor A Excitation Current Sensor Circuit
Standardized SAE J2012 code · P2Exx codes
What does P2E7B mean?
The drive motor A excitation current sensor circuit reports a generic fault. Field excitation current measurement is unreliable.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Common causes
- High Excitation current sensor failed
- Medium Wiring fault
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2E7B on the same make and model first.
P2E7B in the community
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