P0E1C

Hybrid/EV Battery Pack Coolant Pump B Control Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Battery overheating
Increased noise from the cooling pump
Error message on display

Causes

Battery cooling pump malfunction
Problems with the wiring harness or connectors
Short circuit in control circuit
Control module malfunction
Relay or fuse problems

How to Fix

Check fuses and pump relays
Inspect the wiring harness and connectors for damage
Check the resistance of the cooling pump
Test control signals from the module
Replace the cooling pump if necessary

Related codes

P0E1B P0E1D P0E1A