OBD-II code · Powertrain (generic, extended)

P2DB5 Drive Motor A Temperature Sensor C Circuit Intermittent/Erratic

The ECM detects a circuit intermittent/erratic fault on the drive motor a temperature sensor c circuit. Reading cannot be used reliably for control.

Is it safe to drive with P2DB5?

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

Common causes

  • Most likelySensor connector not seated
  • PossibleNoisy ground reference
  • Less likelyConnector with intermittent contact under vibration

Symptoms

  • EV/hybrid system warning light on
  • Reduced motor power or torque
  • Possible limp mode or vehicle shutdown

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
Parts involved
Drive Motor A Temp Sensor C, Wiring Harness, Hybrid Control Module

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