OBD-II code · Powertrain (generic, extended)
P2E29 Drive Motor A Excitation Current Sensor Circuit Low Voltage
Drive Motor A Excitation Current Sensor Circuit Low Voltage: the signal voltage is below the expected range. This affects electric-drive motor control.
Is it safe to drive with P2E29?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySense wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Excitation Circuit, Drive Motor A, Hybrid Control Module
Related codes
- P2E26Drive Motor A Phase Z Current Sensor Circuit High
- P2E27Drive Motor A Phase X-Y-Z Current Sensor Correlation
- P2E28Drive Motor A Excitation Current Sensor Performance
- P2E2ADrive Motor A Excitation Current Sensor Circuit High Voltage
- P2E2BDrive Motor A Excitation Current Too High
- P2E2CBattery Charger A Module Supply Voltage Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.