OBD Guide

P2601

Coolant Pump A Control Circuit Performance/Stuck Off

P2601 is an OBD-II diagnostic trouble code meaning: Coolant Pump A Control Circuit Performance/Stuck Off. Common causes: electrical coolant pump malfunction, open or short circuit in the pump control circuit. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Engine overheating at idle or under load
  • Reduced cooling system performance
  • Check Engine Light Illuminated
  • Reducing engine power (in limp mode)
  • Unusual noises from the coolant pump

Causes

  • Electrical coolant pump malfunction
  • Open or short circuit in the pump control circuit
  • Poor contact in pump connectors
  • Faulty pump relay or fuse
  • Engine ECU software error

How to Fix

  1. Check the coolant pump fuse and relay
  2. Diagnose the integrity of the pump control and power circuit
  3. Check the pump connectors and connections
  4. Test the pump performance on the stand
  5. Replace faulty pump or circuit components as necessary

Related codes

Error P2601 by Vehicle Brand

FAQ

What does the P2601 code mean?

P2601 is an OBD-II diagnostic trouble code that indicates: Coolant Pump A Control Circuit Performance/Stuck Off

What causes a P2601 error code?

The most common causes of P2601 include: Electrical coolant pump malfunction; Open or short circuit in the pump control circuit; Poor contact in pump connectors; Faulty pump relay or fuse.

How do I fix a P2601 diagnostic trouble code?

To fix P2601: Check the coolant pump fuse and relay. Diagnose the integrity of the pump control and power circuit. Check the pump connectors and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2601?

Do not drive โ€” repair immediately

How much does it cost to fix P2601?

The estimated repair cost for P2601 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat