BMW DTC U0157 – Lost Communication With Information Center ‘B’
DTC U0157 meaning on BMW
The DTC U0157 code on a BMW indicates a communication error between the vehicle’s control module and the Information Center ‘B’. This error typically means that the control module is not receiving data or signals from the Information Center ‘B’, leading to a loss of communication.
BMW DTC U0157 symptoms
Symptoms of the DTC U0157 code on a BMW may include:
- Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
- Loss of communication with the Information Center ‘B’
- Issues with the vehicle’s information display or center console
BMW DTC U0157 causes
Common causes of the DTC U0157 code on a BMW include:
- Faulty wiring or connections between the control module and Information Center ‘B’
- Defective Information Center ‘B’
- Software issues within the control module or Information Center ‘B’
BMW DTC U0157 seriousness
The DTC U0157 code is not typically considered a serious issue that affects the drivability of the vehicle. However, it can lead to a loss of communication between important modules, potentially affecting the functionality of certain vehicle systems.
How to diagnose DTC U0157 on BMW
To diagnose the DTC U0157 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 control module
- Inspect the wiring and connections between the control module and Information Center ‘B’ for any damage or corrosion
- Check for any software updates or reprogramming needed for the control module or Information Center ‘B’
How to fix DTC U0157 on BMW
To fix the DTC U0157 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections between the control module and Information Center ‘B’
- Replace the Information Center ‘B’ if it is found to be defective
- Perform any necessary software updates or reprogramming for the control module or Information Center ‘B’
How to erase DTC U0157 on BMW
To erase the DTC U0157 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. Once the issue has been resolved and the codes cleared, the check engine light should turn off.
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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