P2D08

Motor Electronics Coolant Pump B Supply Voltage Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Check Engine Light Is On
Reduced engine power
Cooling pump noise
Unstable operation of the cooling system

Causes

Open or short circuit in the pump power supply circuit
Pump motor malfunction
Relay or fuse problems
Oxidation of contacts in connectors
Control unit malfunction

How to Fix

Check cooling system fuses and relays
Diagnose the pump power circuit for opens and short circuits
Check the connectors and contacts of the pump
Test the operation of the pump motor
If necessary, replace the cooling pump

Related codes

P2D07 P2D09 P2181