P2D02

Motor Electronics Coolant Pump A Underspeed

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Engine overheating
Reduced engine power
Check Engine Light Is On
Unstable engine operation
Noises from the coolant pump

Causes

Coolant pump malfunction
Problems with the pump electrical circuit
Faulty relay or fuse
Problems with the control signal from the ECU
Mechanical damage to the pump

How to Fix

Check fuses and pump relays
Diagnose the electrical circuit of the pump
Check the functionality of the coolant pump
Check control signals from the computer
If necessary, replace the coolant pump

Related codes

P2D01 P2D03 P2D04