U1538
Body Control Module Lost Communication With Driver Window Switch On LIN Bus
U1538 is an OBD-II diagnostic trouble code meaning: Body Control Module Lost Communication With Driver Window Switch On LIN Bus. Common causes: driver window switch malfunction, broken or damaged wires in the lin circuit. Estimated repair cost: $17–56.
Symptoms
- Driver window not working
- Window switch does not respond to clicks
- Other comfort systems may not work correctly
- Check Engine Light or Other Warning Lights Come On
Causes
- Driver window switch malfunction
- Broken or damaged wires in the LIN circuit
- Poor contact in connectors
- Body Module (BCM) Malfunction
- Switch power problems
How to Fix
- Check the integrity of wiring and connectors
- Check the operation of the driver's window switch
- Check power and ground of switch
- Scan the body module for other errors
- If necessary, replace the switch or repair the wiring
Related codes
FAQ
What does the U1538 code mean?
U1538 is an OBD-II diagnostic trouble code that indicates: Body Control Module Lost Communication With Driver Window Switch On LIN Bus
What causes a U1538 error code?
The most common causes of U1538 include: Driver window switch malfunction; Broken or damaged wires in the LIN circuit; Poor contact in connectors; Body Module (BCM) Malfunction.
How do I fix a U1538 diagnostic trouble code?
To fix U1538: Check the integrity of wiring and connectors. Check the operation of the driver's window switch. Check power and ground of switch. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U1538?
Yes, but get it checked soon
How much does it cost to fix U1538?
The estimated repair cost for U1538 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat