What Does U0495 Mean?
The receiving control module has detected invalid or corrupted data transmitted from the secondary digital audio control module over the vehicle network. This code applies to vehicles with dual-zone or multi-zone audio systems.
Common Causes
35%
Failed or malfunctioning secondary audio control module
25%
Damaged wiring or poor connections in audio module B communication circuit
20%
Inadequate ground connection at secondary audio module location
12%
Power supply issues to secondary audio module
8%
Module configuration or programming error after replacement or update
Diagnostic Steps
1
Step 1: Verify power and ground at secondary audio control module; test for battery voltage and proper ground continuity
2
Step 2: Inspect all connectors and wiring associated with audio module B for damage, corrosion, or loose connections
3
Step 3: Use scan tool to attempt direct communication with secondary audio module; document response or lack thereof
4
Step 4: Check module configuration and compare VIN programming to ensure proper module initialization
5
Step 5: Substitute known-good module if available, or replace and reprogram secondary audio control module
Estimated Repair Cost
$150 - $1,400
Parts + labor, varies by vehicle and location
The receiving control module has detected invalid or corrupted data transmitted from the secondary digital audio control module over the vehicle network. This code applies to vehicles with dual-zone or multi-zone audio systems.
The most common cause of U0495 (Invalid Data Received From "Digital Audio Control Module B") is: Failed or malfunctioning secondary audio control module
Typical repair costs for U0495 range from $150 to $1,400, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No safety risk to vehicle operation. Secondary audio zone functionality may be lost, affecting passenger entertainment only.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0495 to identify the root cause.
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Quick Info
Category
Network
System
Infotainment/Audio System
Difficulty
Type
Generic (SAE)
Recommended Tools
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