What Does U0498 Mean?
The receiving control module has detected invalid or corrupted data transmitted from the telephone control module over the vehicle communication network. This affects hands-free calling, Bluetooth connectivity, and phone integration features.
Common Causes
35%
Failed telephone control module or internal Bluetooth hardware failure
25%
Communication wiring issues between telephone module and vehicle network
20%
Poor ground or power supply connection at telephone control module
12%
Antenna connection issues affecting telephone module data processing
8%
Software corruption or firmware incompatibility after update
Diagnostic Steps
1
Step 1: Verify power and ground at telephone control module location; test for proper voltage supply and ground resistance
2
Step 2: Inspect wiring harness and connectors at telephone module; check for corrosion, moisture, or damaged terminals
3
Step 3: Verify antenna connections are secure; test Bluetooth pairing functionality with known-good device
4
Step 4: Use scan tool to monitor telephone module communication; check for module presence on network and data quality
5
Step 5: Check for available software updates; if module fails to respond or data remains invalid, replace telephone control module
Estimated Repair Cost
$150 - $1,000
Parts + labor, varies by vehicle and location
The receiving control module has detected invalid or corrupted data transmitted from the telephone control module over the vehicle communication network. This affects hands-free calling, Bluetooth connectivity, and phone integration features.
The most common cause of U0498 (Invalid Data Received From Telephone Control Module) is: Failed telephone control module or internal Bluetooth hardware failure
Typical repair costs for U0498 range from $150 to $1,000, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Minimal safety impact. Hands-free calling features may be unavailable, requiring manual phone operation which could be distracting while driving.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0498 to identify the root cause.
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Quick Info
Category
Network
System
Telecommunications/Hands-Free System
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
