P0C74

Motor Electronics Coolant Pump B Control Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable engine operation
Increased fuel consumption
Check Engine Light Is On
Reduced engine power

Causes

Electronic Cooling Pump B Malfunction
Open or short circuit in the pump control circuit
Problems with the engine control unit (ECU)
Faulty pump relay or fuse
Poor contact in pump connectors

How to Fix

Check the functionality of cooling pump B
Check the integrity of the pump control circuit
Check fuses and relays associated with the pump
Check the pump connectors and connections
If necessary, replace the cooling pump

Related codes

P0C75 P0C76 P0C77