OBD Guide

P2E38

Battery Charger B Enable Circuit Range/Performance

P2E38 is an OBD-II diagnostic trouble code meaning: Battery Charger B Enable Circuit Range/Performance. Common causes: additional battery malfunction, problems with charging circuit relays or fuses. Estimated repair cost: $33–167.

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

FAQ

What does the P2E38 code mean?

P2E38 is an OBD-II diagnostic trouble code that indicates: Battery Charger B Enable Circuit Range/Performance

What causes a P2E38 error code?

The most common causes of P2E38 include: Additional battery malfunction; Problems with charging circuit relays or fuses; Open or short circuit in wiring harness; Charging control module malfunction.

How do I fix a P2E38 diagnostic trouble code?

To fix P2E38: Check the condition of the additional battery. Diagnose the charging control circuit. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E38?

Yes, but get it checked soon

How much does it cost to fix P2E38?

The estimated repair cost for P2E38 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat