BMW DTC U1102 – Message Monitoring Actuation Cruise Control/ACC Alive Check
DTC U1102 meaning on BMW
DTC U1102 on a BMW refers to the Message Monitoring Actuation Cruise Control/ACC Alive Check. This diagnostic trouble code indicates an issue with the cruise control or adaptive cruise control system on the vehicle.
BMW DTC U1102 symptoms
Symptoms of BMW DTC U1102 may include:
- Cruise control not engaging
- Adaptive cruise control not functioning
- Warning light on the dashboard related to cruise control
BMW DTC U1102 causes
Common causes of BMW DTC U1102 include:
- Faulty cruise control module
- Wiring issues in the cruise control system
- Software glitches in the control module
BMW DTC U1102 seriousness
The seriousness of BMW DTC U1102 lies in the potential loss of functionality of the cruise control system. While it may not affect the drivability of the vehicle, the convenience and safety features provided by the cruise control system may be compromised.
How to diagnose DTC U1102 on BMW
To diagnose DTC U1102 on a BMW, you can:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the cruise control module and wiring for any visible damage
- Perform a system reset and relearn procedure
How to fix DTC U1102 on BMW
To fix DTC U1102 on a BMW, you may need to:
- Replace the faulty cruise control module
- Repair any damaged wiring in the cruise control system
- Update the software in the control module
How to erase DTC U1102 on BMW
To erase DTC U1102 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- Perform a system reset to ensure the fault codes are no longer present
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.