OBD Guide

P0CFF

Hybrid/EV Battery Pack Coolant Pump A Stuck/Stalled

P0CFF is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump A Stuck/Stalled. Common causes: seized cooling pump bearings, pump motor malfunction. Estimated repair cost: $167โ€“500.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$167โ€“500 (est.)

Symptoms

  • Hybrid system power reduction
  • Battery overheat warning on dashboard
  • Deterioration of electric vehicle range
  • Noise or complete lack of operation of the cooling pump
  • Activation of emergency operation

Causes

  • Seized cooling pump bearings
  • Pump motor malfunction
  • Problems with the electrical connection of the pump
  • Cooling system is dirty or clogged
  • Faulty pump relay or fuse

How to Fix

  1. Diagnosis of pump electrical connections
  2. Checking fuses and relays of the cooling system
  3. Cooling pump performance testing
  4. Replacing a faulty cooling pump
  5. Flushing the cooling system if necessary

Related codes

Error P0CFF by Vehicle Brand

FAQ

What does the P0CFF code mean?

P0CFF is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump A Stuck/Stalled

What causes a P0CFF error code?

The most common causes of P0CFF include: Seized cooling pump bearings; Pump motor malfunction; Problems with the electrical connection of the pump; Cooling system is dirty or clogged.

How do I fix a P0CFF diagnostic trouble code?

To fix P0CFF: Diagnosis of pump electrical connections. Checking fuses and relays of the cooling system. Cooling pump performance testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0CFF?

Do not drive โ€” repair immediately

How much does it cost to fix P0CFF?

The estimated repair cost for P0CFF is $167โ€“500. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat