OBD-II code · Powertrain (generic)

P0C48 Hybrid/EV Battery Pack Coolant Pump A Control Circuit Low

The HV battery pack coolant pump A reports a control circuit low condition. Battery thermal management may be impaired.

Is it safe to drive with P0C48?

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

Common causes

  • Most likelyWire shorted to ground
  • PossibleInternal motor short
  • Less likelyConnector pins corroded - high contact resistance

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
Hard
DIY friendly
Best left to a mechanic
Typical labour
2–7 h
Emissions test
Usually unaffected
Parts involved
Hv Battery Pack Coolant Pump A, Wiring Harness, Bms

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