OBD Guide

P2C8A

Hybrid/EV Battery Interface Control Module A Performance

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Battery charging problems
  • Increased fuel consumption (for hybrids)
  • The vehicle goes into emergency mode

Causes

  • Battery management module malfunction
  • Problems with wiring or connections
  • Module software error
  • Damage to the battery itself
  • Module power problems

How to Fix

  1. Check error codes in battery module
  2. Inspect connectors and wiring
  3. Flash or replace the control module
  4. Check the condition of the high-voltage battery
  5. Repair only from an authorized dealer

Related codes

Error P2C8A by Vehicle Brand