What Does U0497 Mean?
The receiving module has detected invalid or corrupted data from the rear entertainment control module in position A. This applies to vehicles with rear-seat entertainment systems, typically found in SUVs, vans, and luxury vehicles.
Common Causes
35%
Failed rear entertainment control module or internal component failure
25%
Wiring harness damage or connector issues in rear passenger area
20%
Poor ground connection at rear entertainment module mounting location
12%
Insufficient power supply voltage to rear entertainment module
8%
Module software corruption or firmware version incompatibility
Diagnostic Steps
1
Step 1: Access rear entertainment module location; verify power and ground circuits with multimeter (expect 12V+ and clean ground)
2
Step 2: Inspect wiring harness routing under seats and floor for pinch points, wear, or damage from cargo or seat movement
3
Step 3: Check all connectors at rear entertainment module for proper seating, corrosion, or terminal damage
4
Step 4: Use scan tool to attempt communication with rear entertainment module A; monitor for intermittent data transmission
5
Step 5: Perform module replacement if circuits are intact; reprogram and configure new module to vehicle
Estimated Repair Cost
$200 - $1,500
Parts + labor, varies by vehicle and location
The receiving module has detected invalid or corrupted data from the rear entertainment control module in position A. This applies to vehicles with rear-seat entertainment systems, typically found in SUVs, vans, and luxury vehicles.
The most common cause of U0497 (Invalid Data Received From Entertainment Control Module Rear "A") is: Failed rear entertainment control module or internal component failure
Typical repair costs for U0497 range from $200 to $1,500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No safety risk to vehicle operation. Rear passenger entertainment features will be inoperative, but vehicle can be driven safely.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0497 to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Network
System
Rear Entertainment System
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
