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.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $200 - $800 (parts and labor)

Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
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- Software version outdated Low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
-
Check cellular signal strength
-
Scan telematics module for codes
-
Verify software version
-
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Usually a failed telematics module or outdated software.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.
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.