OBD-II code · Powertrain (generic)

P0A18 Motor Torque Sensor Circuit Range/Performance

The drive motor torque sensor reports a circuit range/performance fault. Motor torque feedback is unreliable.

Is it safe to drive with P0A18?

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

Common causes

  • Most likelyTorque sensor failed
  • PossibleWiring fault
  • Less likelySensor element aged beyond calibration window

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
2–7 h
Emissions test
Usually unaffected
Parts involved
Motor Torque Sensor, Wiring Harness, Hybrid Control Module

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