P0CE5

Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced battery efficiency
Possible error messages in the hybrid drive system
Increased noise from the cooling system
Reduced power or range (for electric vehicles)

Causes

Valve position sensor malfunction
Open or short circuit in the sensor circuit
Problems with connectors or contact corrosion
Mechanical failure of the cooling valve
Problems with the hybrid system control unit

How to Fix

Check the continuity of the position sensor circuit
Inspect connectors and contacts for damage
Check the resistance of the position sensor
Test the mechanical operation of the valve
If necessary, replace the position sensor or valve
Reset the error and check the system

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