Powertrain
Definition only
Lights the check engine lamp
P2E29: Drive Motor A Excitation Current Sensor Circuit Low Voltage
Standardized SAE J2012 code · P2Exx codes
What does P2E29 mean?
Drive Motor A Excitation Current Sensor Circuit Low Voltage: the signal voltage is below the expected range. This affects electric-drive motor control.
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 Sense wire shorted to ground
- Medium Internal sensor short
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2E29 on the same make and model first.
P2E29 in the community
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