BMW DTC U185C – Power Steering Control Module Lost Communication With Vehicle Dynamics Control Module
DTC U185C meaning on BMW
The DTC U185C on a BMW indicates that there is a communication error between the Power Steering Control Module and the Vehicle Dynamics Control Module. This means that the two modules are not able to exchange information properly, which can lead to issues in the vehicle’s power steering and stability control systems.
BMW DTC U185C symptoms
Symptoms of the DTC U185C on a BMW may include:
- Loss of power steering assistance
- Stability control system malfunctions
- Warning lights on the dashboard, such as the ABS or traction control lights
- Difficulty steering the vehicle
BMW DTC U185C causes
The DTC U185C on a BMW can be caused by various factors, including:
- Faulty wiring or connectors between the Power Steering Control Module and the Vehicle Dynamics Control Module
- Defective Power Steering Control Module
- Defective Vehicle Dynamics Control Module
- Software issues in either module
BMW DTC U185C seriousness
The DTC U185C is a serious issue as it can affect the vehicle’s power steering and stability control systems, compromising the safety and drivability of the BMW. It is important to address this problem promptly to avoid potential accidents or further damage to the vehicle.
How to diagnose DTC U185C on BMW
To diagnose the DTC U185C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes from the Power Steering Control Module and the Vehicle Dynamics Control Module
- Inspect the wiring and connectors between the two modules for any damage or corrosion
- Check the power and ground connections to the modules
- Perform a software update or reprogramming if necessary
How to fix DTC U185C on BMW
To fix the DTC U185C on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors between the Power Steering Control Module and the Vehicle Dynamics Control Module
- Replace the faulty Power Steering Control Module or Vehicle Dynamics Control Module, if needed
- Perform a software update or reprogramming on the affected modules
- Clear the fault codes and perform a test drive to ensure the issue has been resolved
How to erase DTC U185C on BMW
To erase the DTC U185C on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the Power Steering Control Module and the Vehicle Dynamics Control Module. Once the fault codes are cleared, the warning lights on the dashboard should turn off. It is important to ensure that the underlying issue causing the fault codes has been addressed before clearing them to prevent the problem from recurring.
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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