2021 BMW 330i Driving Assistance SRR Sensor Fault

Symptoms of the SRR Sensor Fault

Owners of affected 2021 BMW models, including the 2021 BMW 330i, may notice a "Driving Assistance Check Control Message" displayed in the vehicle's instrument cluster. This message indicates that the functionality of the right rear Short Range Radar (SRR) sensor could be reduced. This issue affects the vehicle's driving assistance systems that rely on this sensor for operation, as highlighted in this 2021 BMW 330i manufacturer_communication.

Diagnosis and Trigger Conditions

The primary condition that triggers this issue is a reduction in the functionality of the right rear SRR sensor. While specific diagnostic trouble codes (DTCs) are not detailed in the available information, the presence of the "Driving Assistance Check Control Message" is the key indicator. This condition directly impacts the performance of features that utilize the SRR sensor.

Repair Procedure Summary

BMW has issued a SERVICE ACTION to address this problem. The recommended repair involves replacing the right rear Short Range Radar (SRR) sensor. This procedure ensures that the driving assistance systems regain full functionality and the "Driving Assistance Check Control Message" is resolved.

Required Parts

The core component required for this repair is a new right rear Short Range Radar (SRR) sensor. Owners should ensure that their dealership uses genuine BMW parts for the replacement.

Owner Action

If you own a 2021 BMW 330i or another affected 2021 BMW model and experience the "Driving Assistance Check Control Message," it is recommended to contact your authorized BMW dealership. They will be able to diagnose the issue and perform the necessary SERVICE ACTION, which involves replacing the right rear SRR sensor. This 2021 BMW 330i manufacturer_communication indicates that this is a known issue with a direct remedy.

Source: NHTSA ID 10182924