P2D01

Motor Electronics Coolant Pump A Overspeed/Air in System

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable engine temperature
Turning on the overheat warning light
Reduced engine performance
Noisy water pump

Causes

Electrical coolant pump malfunction
Air lock in the cooling system
Problems with wiring to the pump
Pump control module malfunction
Coolant leak

How to Fix

Check the coolant level and add if necessary
Remove air from the cooling system
Check electrical connections of the pump
Test pump performance
Replace the faulty pump if necessary

Related codes

P2D00 P2D02 P2D03