OBD-II code · Powertrain (generic)

P0D1B Hybrid/EV Battery Pack Coolant Control Valve B Performance/Stuck Off

The HV battery pack coolant control valve B reports a performance/stuck off condition.

Is it safe to drive with P0D1B?

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

Common causes

  • Most likelyValve stuck closed
  • PossibleActuator failed
  • Less likelyCarbon or debris buildup preventing free movement

Symptoms

  • EV/hybrid system warning light on
  • Reduced power output or limp mode
  • Charging may fail or be slowed
  • Reduced electric range

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–5 h
Emissions test
Usually unaffected
Parts involved
Hv Battery Pack Coolant Valve B, Wiring Harness, Bms

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