OBD Guide

U0339

Software Incompatibility With Body Control Module B

U0339 is an OBD-II diagnostic trouble code meaning: Software Incompatibility With Body Control Module B. Common causes: different software versions between modules, failed software update. Estimated repair cost: ~$167.

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

Symptoms

  • Incorrect operation of body systems
  • The appearance of other errors in the system
  • Problems with central locking or lighting
  • Malfunctions of the car's electronic systems

Causes

  • Different software versions between modules
  • Failed software update
  • Errors in the program code
  • Problems with data transfer via the CAN bus
  • Module replacement without software update

How to Fix

  1. Check software versions of all related modules
  2. Update software to the latest versions
  3. Check the integrity of the CAN bus
  4. Reload modules
  5. Contact your dealer to flash the modules

Related codes

Error U0339 by Vehicle Brand

FAQ

What does the U0339 code mean?

U0339 is an OBD-II diagnostic trouble code that indicates: Software Incompatibility With Body Control Module B

What causes a U0339 error code?

The most common causes of U0339 include: Different software versions between modules; Failed software update; Errors in the program code; Problems with data transfer via the CAN bus.

How do I fix a U0339 diagnostic trouble code?

To fix U0339: Check software versions of all related modules. Update software to the latest versions. Check the integrity of the CAN bus. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0339?

Yes, but get it checked soon

How much does it cost to fix U0339?

The estimated repair cost for U0339 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat