OBD Guide

U050B

Invalid Data Received From Moveable Roof Control Module B

U050B is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Moveable Roof Control Module B. Common causes: roof control module b fault, open or short circuit in the circuit. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • The movable roof does not work
  • Error message on the dashboard
  • Problems with other roof related systems
  • Check Engine Light Flashing

Causes

  • Roof control module B fault
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Software problems
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring to the module
  2. Inspect connectors for corrosion or damage
  3. Scan the module for errors
  4. Check power supply and grounding of the module
  5. Replace roof control module B if necessary

Related codes

Error U050B by Vehicle Brand

FAQ

What does the U050B code mean?

U050B is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Moveable Roof Control Module B

What causes a U050B error code?

The most common causes of U050B include: Roof control module B fault; Open or short circuit in the circuit; Poor contact in connectors; Software problems.

How do I fix a U050B diagnostic trouble code?

To fix U050B: Check the integrity of the wiring to the module. Inspect connectors for corrosion or damage. Scan the module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U050B?

Limited driving only, diagnose soon

How much does it cost to fix U050B?

The estimated repair cost for U050B is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat