U180B – BMW DTC

BMW DTC U180B – Brake System Control Module Lost Communication with Powertrain/EV Control Module

DTC U180B meaning on BMW

The DTC U180B error code on a BMW indicates that there is a communication problem between the Brake System Control Module and the Powertrain/EV Control Module. This means that the modules are not able to exchange information properly, which can lead to issues in the vehicle’s braking system.

BMW DTC U180B symptoms

Symptoms of the DTC U180B error code on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Brake system malfunction warning message
  • Loss of communication with the Powertrain/EV Control Module
  • Decreased braking performance

BMW DTC U180B causes

The DTC U180B error code on a BMW can be caused by various factors, including:

  • Faulty wiring or connectors between the Brake System Control Module and the Powertrain/EV Control Module
  • Defective Brake System Control Module
  • Issues with the Powertrain/EV Control Module
  • Software glitches or communication errors

BMW DTC U180B seriousness

The DTC U180B error code should be taken seriously as it can affect the proper functioning of the vehicle’s braking system. Ignoring this issue may lead to safety concerns and potential brake failure. It is recommended to address this problem promptly.

How to diagnose DTC U180B on BMW

To diagnose the DTC U180B error code on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes stored in the Brake System Control Module and Powertrain/EV Control Module
  2. Inspect the wiring and connectors for any visible damage or corrosion
  3. Check for any software updates or reprogramming needed for the modules
  4. Perform a communication test between the modules to identify the source of the issue

How to fix DTC U180B on BMW

To fix the DTC U180B error code on a BMW, you can try the following solutions:

  1. Repair or replace any damaged wiring or connectors between the modules
  2. Replace the faulty Brake System Control Module or Powertrain/EV Control Module if necessary
  3. Update the software in the modules to the latest version
  4. Perform a reset or relearn procedure for the modules to establish proper communication

How to erase DTC U180B on BMW

To erase the DTC U180B error code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the modules. After fixing the underlying issue causing the error code, you can reset the codes to ensure they do not reappear. Make sure to verify that the communication between the Brake System Control Module and Powertrain/EV Control Module is restored after clearing the codes.

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.