OBD Guide

P1E8C

Hybrid/EV Battery Pack Coolant Pump Enable Circuit Low Voltage

P1E8C is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump Enable Circuit Low Voltage. Common causes: battery cooling pump malfunction, open or short circuit in control circuit. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Hybrid system power reduction
  • Malfunction warning on the dashboard
  • Battery overheating
  • Noise or lack of operation of the cooling pump
  • The car goes into emergency mode

Causes

  • Battery cooling pump malfunction
  • Open or short circuit in control circuit
  • Relay or fuse problems
  • Malfunction of the hybrid system control module
  • Poor contact in wiring connectors

How to Fix

  1. Check the pump circuit fuses and relays
  2. Diagnose the operation of the cooling pump
  3. Check the continuity and resistance of the control circuit
  4. Inspect connectors and connections for corrosion
  5. Scan the control module for additional errors

Related codes

FAQ

What does the P1E8C code mean?

P1E8C is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump Enable Circuit Low Voltage

What causes a P1E8C error code?

The most common causes of P1E8C include: Battery cooling pump malfunction; Open or short circuit in control circuit; Relay or fuse problems; Malfunction of the hybrid system control module.

How do I fix a P1E8C diagnostic trouble code?

To fix P1E8C: Check the pump circuit fuses and relays. Diagnose the operation of the cooling pump. Check the continuity and resistance of the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E8C?

Limited driving only, diagnose soon

How much does it cost to fix P1E8C?

The estimated repair cost for P1E8C is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat