P23C5

Engine Coolant Bypass Valve C Position Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

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

Causes

Valve position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Coolant bypass valve malfunction
Problems with the engine ECU

How to Fix

Check the integrity of the sensor circuit
Inspect the connectors and contacts of the sensor
Check the functionality of the position sensor
If necessary, replace the position sensor
Check the operation of the bypass valve

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