P2D26

Coolant Pump E Control Circuit Performance/Stuck Off

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable operation of the cooling system
Check Engine Light Is On
Reduced cooling efficiency
Increased noise from the coolant pump

Causes

Coolant pump fault E
Open or short circuit in control circuit
Problems with the engine control unit
Pump jammed when switched off
Poor contact in connectors

How to Fix

Check the condition of the coolant pump E
Check the integrity of the control circuit (wiring, fuses, relays)
Check connectors and contacts for corrosion or damage
Check the operation of the engine control unit
If necessary, replace the coolant pump

Related codes

P2D25 P2D27 P2D28