Powertrain
generic / SAE
P2E28
Drive Motor A Excitation Current Sensor Performance
Drive Motor A Excitation Current Sensor Performance: the component is electrically intact but its response does not match the command. This affects electric-drive motor control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 28
Possible causes
- Sensor characteristic drifted high
- High-resistance contact medium
- Sensor element aged beyond calibration window low
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: 400–2500 €
- Estimated time: 2–8 h
- Component: drive motor a excitation circuit
- Component: drive motor a
- Component: hybrid control module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012