P2B69

Coolant Pump D Supply Voltage Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine Light Is On
Engine overheating
Reduced engine power
Unstable operation of the cooling system
Coolant pump noise

Causes

Open or short circuit in the pump power supply circuit
Faulty pump relay or fuse
Poor contact in pump connectors
Malfunction of the coolant pump itself
Problems with the engine control unit

How to Fix

Check the coolant pump fuse and relay
Inspect the wiring harness and connectors for damage.
Check the voltage at the pump terminals
Test the operation of the coolant pump
If necessary, replace the coolant pump

Related codes

P2B68 P2B70 P2610