Invalid Data Received From Keyless Entry Module
The U0487 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Keyless Entry Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $50 - $400 (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
- Key fob range significantly reduced
- Keyless entry intermittent
- Push button start not always recognizing key
- Walk-away lock not working reliably
Probable Causes (Ranked by Likelihood)
- Key fob battery low Very High
- Keyless entry receiver fault High
- CAN bus interference Moderate
- Antenna in vehicle damaged Low
Step-by-Step Diagnostic Procedure
-
Replace key fob battery
-
Test with spare key fob
-
Scan keyless module for codes
-
Check vehicle antenna connections
Frequently Asked Questions
Can I drive with U0487?
Yes. Replace the key fob battery first, which is the most common fix.
What causes U0487?
Almost always a low key fob battery.
How much to fix?
A key fob battery is $5-10. Module replacement is $100 to $400.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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