P2B9E

Coolant Pump A Control Module Overtemperature

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 comes on
Reduced cooling efficiency
Coolant pump noise

Causes

Pump control module malfunction
Electrical wiring problems
Module vents are clogged
Excessive load on the cooling system
Incorrect module installation

How to Fix

Check the status of the pump control module
Inspect electrical wiring and connectors
Clean the module vents
Check the operation of the cooling system
Replace the control module if necessary

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