U1106 – BMW DTC

BMW DTC U1106 – Lost Communication With Torque Request ACC

DTC U1106 meaning on BMW

The Diagnostic Trouble Code (DTC) U1106 for BMW indicates a communication error with the Torque Request ACC (Adaptive Cruise Control) system. This error means that the vehicle’s onboard computer is unable to establish communication with the ACC system, which can lead to issues with the cruise control functionality.

BMW DTC U1106 symptoms

Symptoms of the DTC U1106 on a BMW may include:

• Malfunctioning or inoperative adaptive cruise control system
• Loss of cruise control functionality
• Warning lights on the dashboard related to the ACC system

BMW DTC U1106 causes

The DTC U1106 on a BMW can be caused by various factors, including:

• Faulty wiring or connections in the ACC system
• Defective ACC control module
• Communication bus issues
• Software glitches or malfunctions

BMW DTC U1106 seriousness

While the DTC U1106 may not directly affect the drivability of the vehicle, it can impact the functionality of the adaptive cruise control system. It is important to address this issue to ensure proper operation of the ACC system and to prevent any potential safety concerns while driving.

How to diagnose DTC U1106 on BMW

To diagnose the DTC U1106 on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
2. Inspect the wiring and connections related to the ACC system for any visible damage or corrosion
3. Check the ACC control module for proper functioning
4. Perform a communication test to identify any bus communication issues

How to fix DTC U1106 on BMW

To fix the DTC U1106 on a BMW, the following steps may be taken:

1. Repair or replace any damaged wiring or connections in the ACC system
2. Replace the faulty ACC control module, if necessary
3. Address any communication bus issues by repairing or replacing the affected components
4. Update the software of the ACC system to resolve any glitches or malfunctions

How to erase DTC U1106 on BMW

To erase the DTC U1106 on a BMW, the fault codes can be cleared using a diagnostic scanner. After addressing the underlying cause of the issue and making the necessary repairs, the fault codes can be reset to remove the DTC U1106 from the vehicle’s computer memory.

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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