P0D1E

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

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Battery cooling system error message
Increase in battery module temperature
Reduced power or transition to emergency mode

Causes

Open or short circuit in valve control circuit
Cooling solenoid valve malfunction
Corrosion or poor contact in connectors
Problems with the Battery Management Unit (BMS)
Wiring harness damage

How to Fix

Check valve control circuit integrity
Check resistance and operation of valve B
Inspect connectors and contacts for corrosion
Check the functionality of the battery control unit
If necessary, replace the cooling valve

Related codes

P0D1D P0D1F P0A80