BMW DTC U0499 – Invalid Data Received From Telematic Control Module
DTC U0499 meaning on BMW
DTC U0499 on a BMW indicates that the vehicle’s onboard diagnostic system has detected invalid data being received from the Telematic Control Module (TCM). The TCM is responsible for managing various telematics functions in the vehicle, such as GPS tracking, emergency services, and remote diagnostics.
BMW DTC U0499 symptoms
Symptoms of DTC U0499 on a BMW may include issues with the vehicle’s telematics system, such as inaccurate GPS tracking, failure to connect to emergency services, or problems with remote diagnostic capabilities. In some cases, the vehicle’s infotainment system may also be affected.
BMW DTC U0499 causes
The most common causes of DTC U0499 on a BMW include faulty wiring or connections to the Telematic Control Module, a malfunctioning TCM itself, software glitches, or communication errors between the TCM and other modules in the vehicle.
BMW DTC U0499 seriousness
While DTC U0499 may not directly impact the drivability of the vehicle, it can affect the functionality of important telematics features. It is essential to address this issue promptly to ensure the proper operation of these systems.
How to diagnose DTC U0499 on BMW
To diagnose DTC U0499 on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the specific fault codes stored in the vehicle’s computer system. They will then inspect the wiring and connections to the Telematic Control Module, check for any software updates or recalls related to the TCM, and perform communication tests between the TCM and other modules.
How to fix DTC U0499 on BMW
Fixing DTC U0499 on a BMW may involve repairing or replacing any faulty wiring or connections to the Telematic Control Module, updating the TCM software to the latest version, or replacing the TCM itself if it is found to be defective. It is crucial to follow the manufacturer’s recommended procedures and use genuine parts to ensure a proper repair.
How to erase DTC U0499 on BMW
Once the underlying issue causing DTC U0499 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will reset the vehicle’s onboard computer system and turn off the check engine light. It is important to verify that the issue has been successfully addressed before clearing the fault codes.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.