P0E14

Hybrid/EV Battery Pack Coolant Heater A Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Reducing the range of an electric vehicle
Problems charging the battery in cold weather
Error message on the car display

Causes

Short circuit in heater control circuit
Coolant heater malfunction
Problems with the hybrid system control module
Wiring harness damage
Corrosion of contacts in the control circuit

How to Fix

Check the integrity of the wiring harness and connections
Check the resistance of the coolant heater
Check control circuit voltage
Replace the faulty heater if necessary
Reset the error and check the system operation

Related codes

P0E15 P0E16 P0E17