OBD Guide
ENFRDEESPT

B1393

Power Door Memory Lock Relay Circuit Open

B1393 is an OBD-II diagnostic trouble code meaning: Power Door Memory Lock Relay Circuit Open. Common causes: open or short circuit in wiring harness, faulty lock memory relay. Estimated repair cost: $56–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–111 (est.)

Symptoms

  • Door lock position settings are not saved
  • Lack of response to lock control buttons
  • Fault indication on the instrument panel

Causes

  • Open or short circuit in wiring harness
  • Faulty lock memory relay
  • Oxidation of contacts in connectors
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the condition of the contacts in the connectors
  3. Test the lock memory relay
  4. Check the operation of the body control module (BCM)

Related codes

B1392B1394B1395

FAQ

What does the B1393 code mean?

B1393 is an OBD-II diagnostic trouble code that indicates: Power Door Memory Lock Relay Circuit Open

What causes a B1393 error code?

The most common causes of B1393 include: Open or short circuit in wiring harness; Faulty lock memory relay; Oxidation of contacts in connectors; Body Control Module (BCM) Problems.

How do I fix a B1393 diagnostic trouble code?

To fix B1393: Check the integrity of the wiring harness. Check the condition of the contacts in the connectors. Test the lock memory relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1393?

Limited driving only, diagnose soon

How much does it cost to fix B1393?

The estimated repair cost for B1393 is $56–111. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat