P2601

Coolant Pump A Control Circuit Performance/Stuck Off

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (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

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

Related codes

P2600 P2602 P2610