Lost Communication With Tow Hitch Assist Module
The U0289 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Tow Hitch Assist Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $200 - $700 (parts and labor)
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
- Trailer hitch guidance camera not working
- Hitch assist lines not displaying
- Backup camera overlay for hitch missing
- Hitch alignment feature disabled
Probable Causes (Ranked by Likelihood)
- Failed hitch assist module Very High
- Backup camera fault affecting overlay High
- CAN bus communication error Moderate
- Software configuration issue Low
Step-by-Step Diagnostic Procedure
-
Check backup camera operation separately
-
Scan hitch assist module for codes
-
Verify trailer hitch sensor installation
-
Test CAN bus at hitch module
Frequently Asked Questions
Can I drive with U0289?
Yes. Use a spotter to help align the trailer hitch manually.
What causes U0289?
Usually a module failure or backup camera issue affecting the hitch overlay.
What is hitch assist?
A camera feature that shows guidelines to help align the trailer hitch ball during hookup.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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