U0441 low

Invalid Data Received From Telematic Control Module

The U0441 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Telematic Control Module. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$200 - $800 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.

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Common Symptoms

  • Connected services reporting wrong data
  • Vehicle location tracking inaccurate
  • Remote commands not executing properly
  • Diagnostic data uploads failing

Probable Causes (Ranked by Likelihood)

  • Failed telematics module Very High
  • Cellular modem data corruption High
  • CAN bus error at telematics Moderate
  • Software version outdated Low

Step-by-Step Diagnostic Procedure

  1. Check cellular signal strength

  2. Scan telematics module for codes

  3. Verify software version

  4. Test CAN bus at telematics module

Frequently Asked Questions

Can I drive with U0441?

Yes. Connected services may not work properly but driving is unaffected.

What causes U0441?

Usually a failed telematics module or outdated software.

How much does U0441 cost to fix?

Typically $200 to $800. A software update may resolve it.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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