P2E63

Engine Coolant Bypass Valve E Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect operation of the cooling system
Engine overheating
Unstable engine temperature
Check Engine Light Illuminates
Reduced engine efficiency

Causes

Coolant bypass valve malfunction
Open or short circuit in control circuit
Poor contact in control circuit connectors
Engine control unit (ECU) malfunction
Corroded or damaged wires

How to Fix

Check the condition of the coolant bypass valve
Check the integrity of the control circuit and connectors
Measure resistance and voltage in the circuit
If necessary, replace the valve or repair the circuit
Check and update ECU software if necessary

Related codes

P2E64 P2E65 P2E66