OBD-II code · Powertrain (generic)

P0A35 Drive Motor B Over Temperature

Drive motor B reports temperature above the safe operating threshold. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.

Is it safe to drive with P0A35?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyMotor cooling system failure
  • PossibleSustained high motor load

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
2–10 h
Emissions test
Usually unaffected
Parts involved
Drive Motor B, Drive Motor B Temp Sensor

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.