P0E50

Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Engine overheating
Uneven engine operation
Check Engine Light Is On
Reduced engine performance
Cooling pump works intermittently

Causes

Open or short circuit in control circuit
Oxidized or damaged connectors
Faulty pump relay
Problems with the engine control unit
Worn pump motor

How to Fix

Check the integrity of wiring and connectors
Test the pump relay
Check pump functionality
Scan the control unit for errors
Replacing faulty circuit components

Related codes

P0E48 P0E49 P0E51