BMW DTC U1124 – Lost Communication With ARS-Module Status
DTC U1124 meaning on BMW
DTC U1124 on a BMW indicates a communication error with the ARS (Automatic Ride Control) module. This error code signifies that the vehicle’s onboard diagnostic system has lost communication with the ARS module, which is responsible for managing the vehicle’s suspension system.
BMW DTC U1124 symptoms
Symptoms of DTC U1124 on a BMW may include:
- Warning lights on the dashboard
- Issues with the suspension system
- Unusual handling or ride quality
BMW DTC U1124 causes
The possible causes of DTC U1124 on a BMW include:
- Faulty ARS module
- Wiring or connection issues
- Software glitches
BMW DTC U1124 seriousness
The seriousness of DTC U1124 on a BMW depends on the extent of the communication loss with the ARS module. Ignoring this issue can lead to potential safety concerns due to compromised suspension functionality.
How to diagnose DTC U1124 on BMW
To diagnose DTC U1124 on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the error code
- Inspect the wiring and connections related to the ARS module
- Perform a communication test to check for connectivity issues
How to fix DTC U1124 on BMW
To fix DTC U1124 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections
- Update the software of the ARS module if necessary
- Replace the ARS module if it is found to be faulty
How to erase DTC U1124 on BMW
To erase DTC U1124 on a BMW, the error code can be cleared using a diagnostic scanner. After fixing the underlying issue causing the communication error with the ARS module, the code can be reset to ensure that the problem has been resolved.
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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