BMW DTC U1404 – Invalid Data Received From Wheel Speed Sensor Front Right
DTC U1404 meaning on BMW
The DTC U1404 code on a BMW indicates that the vehicle’s onboard diagnostic system has detected invalid data being received from the wheel speed sensor located on the front right side of the vehicle.
BMW DTC U1404 symptoms
Symptoms associated with the BMW DTC U1404 code may include:
- ABS warning light illuminated on the dashboard
- Traction control system malfunction
- Unusual braking behavior
BMW DTC U1404 causes
The BMW DTC U1404 code can be triggered by various factors, including:
- Defective wheel speed sensor
- Corroded or damaged sensor wiring
- Faulty ABS module
- Interference from other electronic components
BMW DTC U1404 seriousness
Ignoring the DTC U1404 code on a BMW can lead to compromised safety systems, such as the ABS and traction control. It is crucial to address this issue promptly to ensure the vehicle’s optimal performance and safety.
How to diagnose DTC U1404 on BMW
To diagnose the DTC U1404 code on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system.
- Inspect the front right wheel speed sensor and its wiring for any visible damage or corrosion.
- Check the ABS module for any faults or malfunctions.
- Perform a road test to observe the vehicle’s behavior and confirm the presence of symptoms.
How to fix DTC U1404 on BMW
To fix the DTC U1404 code on a BMW, you can consider the following solutions:
- Replace the front right wheel speed sensor if it is found to be faulty.
- Repair or replace any damaged wiring connected to the sensor.
- If the ABS module is defective, it may need to be repaired or replaced.
- Clear the fault codes using a diagnostic scanner after completing the repairs.
How to erase DTC U1404 on BMW
To erase the DTC U1404 code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. After addressing the underlying issue causing the code, clearing the codes 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
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