OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2E7B?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyExcitation current sensor failed
- PossibleWiring fault
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
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Drive Motor A Excitation Current Sensor, Wiring Harness, Hybrid Control Module
Related codes
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- P2E7AHybrid/EV Electronics Coolant Pump C Overspeed
- P2E7CA/C Compressor Control Module Internal Temperature Sensor B Circuit
- P2E7DA/C Compressor Control Module Internal Temperature Sensor B Range/Performance
- P2E7EA/C Compressor Control Module Internal Temperature Sensor B Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.