P0D1B

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

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$50–133 (est.)

Symptoms

Reduced performance of the hybrid system
Battery overheat warning on dashboard
Reducing electric range
Activation of emergency operation
Increased noise from the cooling system

Causes

Valve stuck in closed position
Open or short circuit in control circuit
Malfunction of the solenoid valve actuator
Problems with controller software
Valve contaminated or corroded

How to Fix

Check the condition of the valve and its mechanical mobility
Test the valve control circuit for open and short circuits.
Check the functionality of the electromagnetic drive
Update the hybrid system controller software
If necessary, replace the battery cooling valve

Related codes

P0D1A P0D1C P0D1D