OBD Guide

U250D

Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2

U250D is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2. Common causes: open or short circuit in lin bus 2 circuit, problems with contacts in connectors. Estimated repair cost: $17–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of the automatic transmission
  • Disabling driver assistance systems
  • Floating engine speed
  • Errors in other related systems

Causes

  • Open or short circuit in LIN Bus 2 circuit
  • Problems with contacts in connectors
  • Transmission control module (TCM) malfunction
  • Body Controller Problems
  • Corroded or damaged wiring

How to Fix

  1. Check the integrity of the LIN Bus 2 wiring
  2. Inspect and clean the contacts in the connectors
  3. Check TCM power and ground
  4. Scan other modules for related errors
  5. If necessary, replace the faulty module

Related codes

FAQ

What does the U250D code mean?

U250D is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2

What causes a U250D error code?

The most common causes of U250D include: Open or short circuit in LIN Bus 2 circuit; Problems with contacts in connectors; Transmission control module (TCM) malfunction; Body Controller Problems.

How do I fix a U250D diagnostic trouble code?

To fix U250D: Check the integrity of the LIN Bus 2 wiring. Inspect and clean the contacts in the connectors. Check TCM power and ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U250D?

Limited driving only, diagnose soon

How much does it cost to fix U250D?

The estimated repair cost for U250D is $17–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat