BMW DTC U11C3 – Lost Communication With Relative Time
DTC U11C3 meaning on BMW
The DTC U11C3 code on a BMW indicates a communication error with the Relative Time module. This code is specific to BMW vehicles and is related to a loss of communication with the Relative Time module, which is responsible for managing time-related functions within the vehicle’s systems.
BMW DTC U11C3 symptoms
Symptoms of the DTC U11C3 code on a BMW may include issues with the vehicle’s clock display, malfunctioning time-related features such as scheduled maintenance reminders, or errors in time-sensitive functions like event logging.
BMW DTC U11C3 causes
The DTC U11C3 code on a BMW is commonly caused by a faulty Relative Time module, wiring issues, or a poor connection between the module and the vehicle’s communication network. Environmental factors or water damage can also contribute to this communication error.
BMW DTC U11C3 seriousness
While the DTC U11C3 code may not directly affect the drivability of the vehicle, it can lead to inconvenience and potential issues with time-related functions within the vehicle. It is recommended to address this code to ensure proper functionality of the affected systems.
How to diagnose DTC U11C3 on BMW
To diagnose the DTC U11C3 code on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the specific fault codes stored in the vehicle’s computer system. They would then inspect the Relative Time module, wiring connections, and communication network for any visible damage or issues. Testing the module’s functionality and checking for proper communication signals would help pinpoint the cause of the error.
How to fix DTC U11C3 on BMW
Fixing the DTC U11C3 code on a BMW may involve replacing the faulty Relative Time module, repairing any damaged wiring or connections, or addressing any issues with the communication network. It is essential to follow the manufacturer’s diagnostic and repair procedures to ensure proper resolution of the communication error.
How to erase DTC U11C3 on BMW
To erase the DTC U11C3 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After addressing the underlying cause of the communication error and ensuring that the issue has been resolved, the code can be cleared to reset the system and verify that the error no longer persists.
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
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