P0E75

Coolant Bypass Valve A Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
Unstable engine temperature
Check Engine light comes on
Reduced cooling system efficiency

Causes

Valve control circuit open
Coolant valve malfunction
Problems with wiring or connectors
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the valve control circuit
Check the condition of the coolant valve
Inspect wiring and connectors for damage
Replace valve or wiring if necessary
Check and, if necessary, replace the engine control unit

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