P2DF7

Coolant Pump E Overspeed/Air in System

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable operation of the coolant pump
Overheat warning on dashboard
Reduced cooling system efficiency

Causes

Electrical coolant pump malfunction
Air in the cooling system
Low coolant level
Problems with pump wiring or connectors
Pump control unit malfunction

How to Fix

Check the coolant level and add if necessary
Repair coolant leaks
Check electrical connections of the pump
Bleed the cooling system to remove air
Replace the coolant pump if necessary

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