OBD Guide

U0331

Software Incompatibility With Body Control Module A

U0331 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Body Control Module A. Common causes: incompatible software version in body module, incorrect software update. Estimated repair cost: $11–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–167 (est.)

Symptoms

  • Incorrect operation of body electrical equipment
  • Problems with central locking
  • Lighting malfunctions
  • Errors on the dashboard
  • Intermittent operation of power windows

Causes

  • Incompatible software version in body module
  • Incorrect software update
  • Problems with the communication bus between modules
  • Body control module malfunction
  • Programming errors after module replacement

How to Fix

  1. Body Control Module Diagnostics
  2. Checking software versions in all related modules
  3. Updating the software to the latest version
  4. Reflashing the body control module
  5. Replacing a module in case of malfunction

Related codes

Error U0331 by Vehicle Brand

FAQ

What does the U0331 code mean?

U0331 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Body Control Module A

What causes a U0331 error code?

The most common causes of U0331 include: Incompatible software version in body module; Incorrect software update; Problems with the communication bus between modules; Body control module malfunction.

How do I fix a U0331 diagnostic trouble code?

To fix U0331: Body Control Module Diagnostics. Checking software versions in all related modules. Updating the software to the latest version. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0331?

Yes, but get it checked soon

How much does it cost to fix U0331?

The estimated repair cost for U0331 is $11–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat