OBD Guide

P0E14

Hybrid/EV Battery Pack Coolant Heater A Control Circuit High

P0E14 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Heater A Control Circuit High. Common causes: short circuit in heater control circuit, coolant heater malfunction. Estimated repair cost: $56–167.

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

  1. Check the integrity of the wiring harness and connections
  2. Check the resistance of the coolant heater
  3. Check control circuit voltage
  4. Replace the faulty heater if necessary
  5. Reset the error and check the system operation

Related codes

Error P0E14 by Vehicle Brand

FAQ

What does the P0E14 code mean?

P0E14 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Heater A Control Circuit High

What causes a P0E14 error code?

The most common causes of P0E14 include: Short circuit in heater control circuit; Coolant heater malfunction; Problems with the hybrid system control module; Wiring harness damage.

How do I fix a P0E14 diagnostic trouble code?

To fix P0E14: Check the integrity of the wiring harness and connections. Check the resistance of the coolant heater. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E14?

Yes, but get it checked soon

How much does it cost to fix P0E14?

The estimated repair cost for P0E14 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat