P0CE0

Hybrid/EV Battery Pack Coolant Control Valve A Performance/Stuck Off

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Hybrid/electric battery overheating
Reduced vehicle power
Increased fuel consumption (for hybrids)
Warning messages on the dashboard
Reduced battery efficiency

Causes

Coolant control valve stuck
Solenoid valve malfunction
Problems with wiring or connectors
Battery control unit malfunction
Valve is dirty or clogged

How to Fix

Check the condition of the coolant control valve
Check the integrity of wiring and connectors
Check the operation of the solenoid valve
Clean or replace valve if necessary
Check and update battery control unit software

Related codes

P0CE1 P0CE2 P0CE3