U0499 Code - Invalid Data Received From Telematic Control Module
Quick Answer
The U0499 code indicates that the vehicle's onboard computer has detected invalid data being received from the Telematic Control Module (TCM). Common causes include Faulty Telematic Control Module, Loose or corroded wiring/connectors, Software glitches or updates. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U0499 indicates Invalid Data Received From Telematic Control Module.
- Common causes
- Common causes include Faulty Telematic Control Module, Loose or corroded wiring/connectors, Software glitches or updates.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code U0499 Description
The U0499 code indicates that the vehicle's onboard computer has detected invalid data being received from the Telematic Control Module (TCM). The TCM is responsible for managing communication between various electronic control units within the vehicle, as well as external systems like GPS, Wi-Fi, and Bluetooth. When invalid data is received, it can lead to communication errors, malfunctions, and potentially affect the vehicle's performance.
Common Causes of U0499
- Faulty Telematic Control Module
- Loose or corroded wiring/connectors
- Software glitches or updates
- Water damage or exposure to extreme temperatures
- Electrical interference from aftermarket devices
Symptoms of U0499
- Loss of GPS signal
- Inability to connect to Wi-Fi or Bluetooth
- Erratic behavior of infotainment system
- Warning lights on the dashboard (such as Check Engine Light)
- Issues with remote diagnostics or vehicle tracking systems
How to Fix U0499
- Perform a diagnostic scan to confirm the U0499 code and identify the specific issue.
- Inspect wiring/connectors for any damage or corrosion, and repair or replace as needed.
- Check and update TCM software to the latest version.
- Test TCM functionality and communication with other modules.
- Clear the code and reset the system to see if the issue persists.
Cost to Fix U0499
The typical repair costs for resolving the U0499 code can vary depending on the specific cause of the issue. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. Keep in mind that the diagnosis time and labor rates at auto repair shops can vary, so it's recommended to get a few quotes from different shops to compare prices. Additionally, factors like the vehicle make and model, as well as the location of the repair shop, can also impact the overall cost.
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Code U0499 Information for Specific Makes
- U0499 Buick — Invalid Data Received From Telematic Control Module
- U0499 Cadillac — Invalid Data Received From Telematic Control Module
- U0499 Chevrolet — Invalid Data Received From Telematic Control Module
- U0499 GMC — Invalid Data Received From Telematic Control Module
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