OBD-II code · Powertrain (generic)
P0C56 Drive Motor B Position Sensor Circuit A Range/Performance
The position sensor channel A of drive motor B reports a range/performance fault. Phase commutation feedback impaired on this channel.
Is it safe to drive with P0C56?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor mechanically offset
- PossibleElectrical noise on signal line
- Less likelySensor element aged beyond calibration window
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 B Position Sensor A, Wiring Harness, Hybrid Control Module
Related codes
- P0C51Drive Motor A Position Sensor Circuit A Range/Performance
- P0C5BDrive Motor A Position Sensor Circuit B Range/Performance
- P0C60Drive Motor B Position Sensor Circuit B Range/Performance
- P0CDBDrive Motor A Position Sensor Circuit C Range/Performance
- P0C53Drive Motor A Position Sensor Circuit A Circuit High
- P0C54Drive Motor A Position Sensor Circuit A Circuit Intermittent/Erratic
- P0C55Drive Motor B Position Sensor Circuit A Circuit
- P0C57Drive Motor B Position Sensor Circuit A Circuit Low
- P0C58Drive Motor B Position Sensor Circuit A Circuit High
- P0C59Drive Motor B Position Sensor Circuit A Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.