OBD Guide

U1534

Body Control Module Lost Communication With Driver Window Motor On LIN Bus

U1534 is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Driver Window Motor On LIN Bus. Common causes: lin bus wire break, window motor malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Driver's window doesn't work
  • Glass does not respond to buttons
  • Intermittent operation of the window regulator
  • The fault indicator lights up

Causes

  • LIN bus wire break
  • Window motor malfunction
  • Body Module (BCM) Problems
  • Short circuit in the circuit
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the LIN bus wires
  2. Diagnose the window lift motor
  3. Check the power and ground of the motor
  4. Scan the body module for errors
  5. Check contacts in connectors

Related codes

FAQ

What does the U1534 code mean?

U1534 is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Driver Window Motor On LIN Bus

What causes a U1534 error code?

The most common causes of U1534 include: LIN bus wire break; Window motor malfunction; Body Module (BCM) Problems; Short circuit in the circuit.

How do I fix a U1534 diagnostic trouble code?

To fix U1534: Check the integrity of the LIN bus wires. Diagnose the window lift motor. Check the power and ground of the motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1534?

Yes, but get it checked soon

How much does it cost to fix U1534?

The estimated repair cost for U1534 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat