BMW DTC U1850 – Lost Communication With DSC
DTC U1850 meaning on BMW
DTC U1850 on a BMW indicates a communication error between the vehicle’s control modules and the Dynamic Stability Control (DSC) system. This error code signifies that the DSC module is not receiving or transmitting data properly, leading to a loss of communication.
BMW DTC U1850 symptoms
Symptoms of DTC U1850 on a BMW may include:
- ABS warning light illuminated on the dashboard
- Traction control system malfunction
- Stability control system not functioning properly
- Possible loss of ABS, DSC, or other related safety features
BMW DTC U1850 causes
The common causes of DTC U1850 on a BMW include:
- Faulty wiring or connectors leading to poor communication
- Defective DSC control module
- Interference from other electronic components
- Software issues within the control modules
BMW DTC U1850 seriousness
The seriousness of DTC U1850 on a BMW lies in the compromised safety systems such as ABS, DSC, and traction control. Driving with these systems not functioning properly can increase the risk of accidents, especially in adverse road conditions. It is crucial to address this issue promptly to ensure the vehicle’s safety features are fully operational.
How to diagnose DTC U1850 on BMW
To diagnose DTC U1850 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control modules.
- Inspect the wiring and connectors related to the DSC system for any visible damage or corrosion.
- Check for any loose connections or poor grounds that may be affecting communication.
- Perform a system reset and re-scan to see if the error code reappears.
How to fix DTC U1850 on BMW
To fix DTC U1850 on a BMW, consider the following solutions:
- Repair or replace any damaged wiring or connectors in the DSC system.
- Replace the faulty DSC control module if necessary.
- Ensure all control modules are updated with the latest software versions.
- Clear the fault codes and perform a test drive to verify the issue has been resolved.
How to erase DTC U1850 on BMW
To erase DTC U1850 on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s control modules. After clearing the codes, perform a test drive to ensure the issue has been successfully resolved and the error code does not reappear.
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.