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U1112 – BMW DTC

BMW DTC U1112 – Lost Communication With Torque Request AMT (Automatic Manual Transmission)

DTC U1112 meaning on BMW

DTC U1112 on a BMW indicates a communication error between the vehicle’s engine control module (ECM) and the automatic manual transmission (AMT) control module. This code specifically points to a lost communication with the torque request from the AMT module.

BMW DTC U1112 symptoms

Symptoms of DTC U1112 on a BMW may include:

  • Transmission shifting issues
  • Reduced engine performance
  • Warning lights on the dashboard

BMW DTC U1112 causes

Common causes of DTC U1112 on a BMW include:

  • Faulty wiring or connectors between the ECM and AMT module
  • Defective AMT control module
  • Software issues

BMW DTC U1112 seriousness

The seriousness of DTC U1112 on a BMW depends on the underlying cause. Ignoring this code can lead to potential transmission and engine performance issues. It is recommended to address this code promptly to prevent further damage.

How to diagnose DTC U1112 on BMW

To diagnose DTC U1112 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the wiring and connectors between the ECM and AMT module for any damage or corrosion
  3. Check the AMT control module for proper functionality
  4. Perform a software update or reprogramming if necessary

How to fix DTC U1112 on BMW

To fix DTC U1112 on a BMW, you can try the following:

  1. Repair or replace any damaged wiring or connectors
  2. Replace the AMT control module if it is found to be faulty
  3. Update the software in the ECM and AMT module

How to erase DTC U1112 on BMW

To erase DTC U1112 on a BMW, you can use a diagnostic scanner to clear the fault codes after the underlying issue has been resolved. This will reset the system and turn off the warning lights on the dashboard.

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

← All BMW Diagnostic Trouble Codes

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