P2D05

Motor Electronics Coolant Pump B Stuck/Stalled

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine control unit overheating
Reduced engine power
Check Engine Light Illuminates
Unstable engine operation
Possible errors in the temperature of the electronic unit

Causes

Cooling pump stuck
Open or short circuit in the pump circuit
Faulty relay or fuse
Problems with the pump connection connector
Low coolant level

How to Fix

Check coolant level
Diagnose the pump power circuit
Check pump functionality
Replace the faulty pump if necessary
Check the control unit for overheating

Related codes

P2D04 P2D06 P0A80