What Does U2019 Mean?
The audio voice module (typically the voice recognition or hands-free calling module) is not communicating on the vehicle network. The module is either powered down, has failed, or has lost its network connection.
Common Causes
40%
Faulty audio voice recognition module
25%
Network communication bus fault (CAN/LIN bus)
20%
Power supply issue to voice module (blown fuse or bad relay)
10%
Corroded or loose connector at voice module
5%
Software corruption requiring module reprogramming
Diagnostic Steps
1
Step 1: Check all related fuses and relays for the audio/infotainment system and voice module
2
Step 2: Locate and inspect the voice module connector for proper seating, corrosion, or damaged pins
3
Step 3: Verify power and ground at the voice module connector using a multimeter
4
Step 4: Check network bus voltage and resistance between voice module and other modules on the same network
5
Step 5: Attempt module reset or reprogramming if communication is intermittent, replace module if no communication at all
Estimated Repair Cost
$150 - $900
Parts + labor, varies by vehicle and location
The audio voice module (typically the voice recognition or hands-free calling module) is not communicating on the vehicle network. The module is either powered down, has failed, or has lost its network connection.
The most common cause of U2019 (Audio Voice Module Not Responding) is: Faulty audio voice recognition module
Typical repair costs for U2019 range from $150 to $900, depending on the vehicle, location, and whether you do it yourself or go to a shop.
This is primarily a convenience issue affecting voice commands and hands-free calling. No direct safety impact, though driver distraction may increase if attempting to use non-functional voice features.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U2019 to identify the root cause.
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Quick Info
Category
Network
System
Infotainment/Audio System
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
