U1225 – BMW DTC

BMW DTC U1225 – Message Monitoring 10ms Task From Slave Check Sum Error

DTC U1225 meaning on BMW

The DTC U1225 code on a BMW refers to a Message Monitoring 10ms Task From Slave Check Sum Error. This error code indicates a communication issue between modules in the vehicle, specifically related to the monitoring of messages with a 10ms task interval from a slave module.

BMW DTC U1225 symptoms

Symptoms of the BMW DTC U1225 code may include:

  • Check Engine Light (MIL) illuminated
  • Communication errors with other vehicle modules
  • Performance issues or drivability concerns

BMW DTC U1225 causes

Possible causes of the BMW DTC U1225 code include:

  • Faulty wiring or connections
  • Defective module or control unit
  • Software issues

BMW DTC U1225 seriousness

The DTC U1225 code should be addressed promptly as it can lead to communication problems between vehicle modules, potentially affecting the overall performance and functionality of the vehicle.

How to diagnose DTC U1225 on BMW

When diagnosing the DTC U1225 code on a BMW, steps may include:

  • Using a diagnostic scanner to retrieve the fault codes and data
  • Inspecting the wiring and connections for any visible damage or corrosion
  • Testing the affected module or control unit for proper functionality

How to fix DTC U1225 on BMW

To fix the DTC U1225 code on a BMW, you may need to:

  • Repair or replace any damaged wiring or connections
  • Replace the faulty module or control unit if necessary
  • Update or reprogram the software as needed

How to erase DTC U1225 on BMW

After addressing the underlying issue causing the DTC U1225 code on a BMW, you can erase the code using a diagnostic scanner by clearing the fault codes stored in the vehicle’s system.

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.