OBD Guide

U0141

Lost Communication With Body Control Module A

U0141 is an OBD-II diagnostic trouble code meaning: Lost Communication With Body Control Module A. Common causes: open or short circuit in communication circuit, body control module malfunction. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Power windows don't work
  • Central locking malfunction
  • Problems with interior lighting
  • Lack of response to commands from the key fob
  • Check Engine Light Is On

Causes

  • Open or short circuit in communication circuit
  • Body control module malfunction
  • Module power problems
  • Contact corrosion
  • Module software failure

How to Fix

  1. Check the integrity of the wiring harness
  2. Check module fuses and relays
  3. Diagnose the status of the body control module
  4. Clean or replace connectors if necessary
  5. Reflash or replace the module if it malfunctions

Related codes

Error U0141 by Vehicle Brand

FAQ

What does the U0141 code mean?

U0141 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Body Control Module A

What causes a U0141 error code?

The most common causes of U0141 include: Open or short circuit in communication circuit; Body control module malfunction; Module power problems; Contact corrosion.

How do I fix a U0141 diagnostic trouble code?

To fix U0141: Check the integrity of the wiring harness. Check module fuses and relays. Diagnose the status of the body control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0141?

Yes, but get it checked soon

How much does it cost to fix U0141?

The estimated repair cost for U0141 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat