DTClookup.com

Search DTC

U1219 – BMW DTC

BMW DTC U1219 – Message Monitoring MSA (Engine Start Automatic) Check Sum Error

DTC U1219 meaning on BMW

The DTC U1219 code on BMW vehicles indicates a Message Monitoring MSA (Engine Start Automatic) Check Sum Error. This error occurs when the checksum value of the message monitoring system is incorrect, signaling a communication problem within the engine start automatic system.

BMW DTC U1219 symptoms

Symptoms of the BMW DTC U1219 code may include:

  • Check Engine Light (MIL) illuminated
  • Engine starting issues
  • Reduced engine performance
  • Transmission shifting problems

BMW DTC U1219 causes

Common causes of the BMW DTC U1219 code include:

  • Faulty message monitoring system
  • Interference in communication signals
  • Wiring or connector issues
  • Software glitches

BMW DTC U1219 seriousness

The DTC U1219 error code should not be ignored as it can lead to potential engine starting and performance issues. Ignoring this code may result in further damage to the vehicle’s systems.

How to diagnose DTC U1219 on BMW

To diagnose the DTC U1219 code on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes.
  2. Inspect the message monitoring system for any visible damage or loose connections.
  3. Check the wiring harness and connectors for any signs of wear or corrosion.
  4. Perform a communication system test to identify any signal interference.

How to fix DTC U1219 on BMW

To fix the DTC U1219 code on a BMW, consider the following:

  1. Repair or replace any damaged wiring or connectors in the message monitoring system.
  2. Clear the fault codes using a diagnostic scanner after addressing the underlying issue.
  3. If the problem persists, consult a professional mechanic for further diagnosis and repair.

How to erase DTC U1219 on BMW

To erase the DTC U1219 code on a BMW:

  1. Use a diagnostic scanner to clear the fault codes.
  2. Ensure that the underlying issue causing the code has been resolved before clearing the code.
  3. Perform a test drive to confirm that 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

← All BMW Diagnostic Trouble Codes

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.