U1231 – BMW DTC

BMW DTC U1231 – Invalid Data Received From DSC

DTC U1231 meaning on BMW

DTC U1231 on a BMW refers to ¨Invalid Data Received From DSC.¨ This diagnostic trouble code indicates that the vehicle’s onboard computer has detected a communication error or invalid data coming from the Dynamic Stability Control (DSC) module.

BMW DTC U1231 symptoms

Symptoms of DTC U1231 on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Traction control system malfunction
  • Stability control issues
  • Unexpected braking behavior

BMW DTC U1231 causes

The common causes of DTC U1231 on a BMW include:

  • Faulty DSC module
  • Wiring or connection issues between the DSC module and the vehicle’s computer
  • Interference from other electronic components

BMW DTC U1231 seriousness

DTC U1231 should be addressed promptly as it can affect the proper functioning of the vehicle’s stability and traction control systems. Ignoring this issue may compromise the safety and performance of the BMW.

How to diagnose DTC U1231 on BMW

To diagnose DTC U1231 on a BMW, a mechanic would typically:

  • Use a diagnostic scanner to retrieve the specific fault codes
  • Inspect the wiring and connections related to the DSC module
  • Perform a visual inspection for any visible damage or corrosion
  • Conduct a communication test between the DSC module and the vehicle’s computer

How to fix DTC U1231 on BMW

To fix DTC U1231 on a BMW, the following steps may be taken:

  • Repair or replace any damaged wiring or connections
  • Reset the DSC module and clear the fault codes
  • Update the software of the DSC module if necessary
  • Perform a test drive to ensure the issue has been resolved

How to erase DTC U1231 on BMW

To erase DTC U1231 on a BMW, the fault codes can be cleared using a diagnostic scanner. After fixing the underlying issue causing the fault code, the codes can be cleared to reset the system and ensure that the problem has been resolved.

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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