U0459 – BMW DTC

BMW DTC U0459 – Invalid Data Received From Head Up Display

DTC U0459 meaning on BMW

The Diagnostic Trouble Code (DTC) U0459 for BMW indicates that the vehicle’s onboard computer has detected invalid data being received from the Head-Up Display (HUD) system. The HUD is a feature that projects important information onto the windshield, such as speed, navigation directions, and other critical data for the driver.

BMW DTC U0459 symptoms

Symptoms of the U0459 DTC on a BMW may include:

  • Malfunction or loss of display on the Head-Up Display
  • Inaccurate or missing information being projected onto the windshield
  • Dashboard warning light related to the HUD system

BMW DTC U0459 causes

The U0459 DTC on a BMW can be caused by various factors, including:

  • Faulty HUD unit
  • Issues with the HUD sensors or wiring
  • Communication errors between the HUD system and the vehicle’s computer

BMW DTC U0459 seriousness

While the U0459 DTC may not directly affect the drivability of the vehicle, it is essential to address this issue promptly. A malfunctioning HUD system can impact the driver’s ability to receive critical information while driving, potentially leading to safety concerns.

How to diagnose DTC U0459 on BMW

To diagnose the U0459 DTC on a BMW, a mechanic may perform the following steps:

  • Use a diagnostic scanner to retrieve the specific error code
  • Inspect the HUD system for any visible damage or loose connections
  • Check the wiring and sensors associated with the HUD for faults
  • Perform a communication test between the HUD system and the vehicle’s computer

How to fix DTC U0459 on BMW

To fix the U0459 DTC on a BMW, the following steps may be taken:

  • Repair or replace any faulty components in the HUD system
  • Ensure all wiring and connections are secure and free of damage
  • Reset the HUD system and clear the error code
  • If necessary, reprogram or calibrate the HUD system to ensure proper functionality

How to erase DTC U0459 on BMW

To erase the U0459 DTC on a BMW, the error code can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the error code can be reset, and the HUD system should be retested to ensure 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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