BMW DTC U0185 – Lost Communication With Antenna Control Module
DTC U0185 meaning on BMW
The DTC U0185 code on a BMW indicates a communication error between the vehicle’s control module and the antenna control module. This error typically means that the control module is unable to establish communication with the antenna control module, which can affect various vehicle functions.
BMW DTC U0185 symptoms
Symptoms of the DTC U0185 code on a BMW may include:
- Loss of keyless entry functionality
- Issues with remote start feature
- Poor or no reception of radio signals
- Malfunctioning tire pressure monitoring system (TPMS)
BMW DTC U0185 causes
The DTC U0185 code on a BMW can be caused by various factors, including:
- Faulty antenna control module
- Wiring or connection issues between the control module and antenna control module
- Defective control module
- Software glitches or programming errors
BMW DTC U0185 seriousness
While the DTC U0185 code may not directly affect the drivability of the vehicle, it can lead to inconvenience and potential safety issues, especially if keyless entry or remote start features are affected. It is recommended to address this issue promptly to ensure proper functioning of the vehicle’s systems.
How to diagnose DTC U0185 on BMW
To diagnose the DTC U0185 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific fault codes stored in the vehicle’s system
- Inspect the wiring and connections between the control module and antenna control module for any damage or corrosion
- Test the antenna control module for proper functionality
- Check for any software updates or reprogramming needed for the control modules
How to fix DTC U0185 on BMW
To fix the DTC U0185 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections between the control module and antenna control module
- Replace the faulty antenna control module if necessary
- Perform any software updates or reprogramming recommended by the manufacturer
- Clear the fault codes and reset the system to see if the issue has been resolved
How to erase DTC U0185 on BMW
To erase the DTC U0185 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. After addressing the underlying issue causing the code, the mechanic can then reset the system to ensure the 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
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