U0549: Invalid Data Received From Remote Accessory Module
What Does U0549 Mean?
U0549 is a diagnostic trouble code indicating: Invalid Data Received From Remote Accessory Module. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.
Related Codes
U0544
Invalid Data Received From Parking Assist Control Module B
U0545
Invalid Data Received From Running Board Control Module A
U0546
Invalid Data Received From Entertainment Control Module - Front
U0547
Invalid Data Received From Seat Control Module E
U0548
Invalid Data Received From Seat Control Module F
U0550
Invalid Data Received From Side Obstacle Detection Control Module D
U0551
Invalid Data Received From Impact Classification System Module
U0552
Invalid Data Received From Running Board Control Module B