OBD Guide

P2E38

Battery Charger B Enable Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Problems with the start-stop system
  • Reduced hybrid system efficiency
  • Unstable battery charging
  • Errors in the energy management system

Causes

  • Additional battery malfunction
  • Problems with charging circuit relays or fuses
  • Open or short circuit in wiring harness
  • Charging control module malfunction
  • Corroded contacts or poor connection

How to Fix

  1. Check the condition of the additional battery
  2. Diagnose the charging control circuit
  3. Check relays and fuses
  4. Inspect the wiring harness for damage
  5. Scan the control module for errors

Related codes

Error P2E38 by Vehicle Brand