Invalid Data Received From Power Tailgate Module
The U0488 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Power Tailgate 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
- Power tailgate opening to wrong height
- Tailgate auto-close not working
- Foot-activated tailgate unreliable
- Tailgate pinch protection too sensitive
Probable Causes (Ranked by Likelihood)
- Tailgate module sending bad position data Very High
- Liftgate strut losing pressure High
- CAN bus error Moderate
- Pinch sensor too sensitive Low
Step-by-Step Diagnostic Procedure
-
Recalibrate tailgate height setting
-
Check liftgate struts
-
Scan tailgate module for codes
-
Test pinch sensor
Frequently Asked Questions
Can I drive with U0488?
Yes. Open and close the tailgate manually.
What causes U0488?
Usually weak liftgate struts or a calibration issue.
How much to fix?
Typically $200 to $700.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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