P0CE3

Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$39–133 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Possible vehicle power limitation
Increased battery pack temperature
Unstable operation of the cooling system

Causes

Open or short circuit in valve control circuit
Cooling solenoid valve malfunction
Problems with the relay or circuit fuse
Corrosion or poor contact in electrical connections
Malfunction of the hybrid system control module

How to Fix

Check fuses and relays associated with the battery cooling system
Inspect the wiring harness for damage and corrosion.
Check the resistance and operation of the cooling valve
Diagnose the control module for errors
If necessary, replace the faulty cooling valve

Related codes

P0CE4 P0CE2 P0A60