2021-2024 BMW ADCAM Camera System Limits TSB SIB 66 05 23

BMW has released Technical Service Bulletin (TSB) SIB 66 05 23 to address various customer complaints related to the camera-based driver assistance systems (ADCAM) in several models. This bulletin outlines potential causes for system limitations and provides diagnostic procedures for technicians. Owners of affected vehicles, including the 2024 BMW X5 ADCAM system limits, may notice issues with their driver assistance features.

Symptoms

Owners may experience various issues with their ADCAM system, which supports features like Lane Departure Warning, Collision Warning, Road Sign Detection, and Active Cruise Control. Common complaints include:

• "ADCAM camera system deactivates itself, due to system restrictions that are not clear to the customer"
• "ADCAM camera system cannot be activated due to system restrictions that are not clear to the customer"
• "Road signs are sporadically not detected"
• "Check control messages (930: Lane Departure Warning & 2260: Front protection functions) are active excessively frequently"

These symptoms indicate that the 2024 BMW X5 ADCAM system limits are being reached, affecting the functionality of critical safety and convenience features.

Fault Codes / DTCs

When these issues occur, specific fault memory entries may be stored in the vehicle's system. Technicians will look for these codes during diagnosis:

Code	Description	Module
7E0197	ADCAM camera - Front Main: Short-term sensor blindness	ADCAM
7E00A0	ADCAM camera - Front Main: Initial calibration not completed / not carried out)	ADCAM

Additionally, check control messages such as "930: Lane Departure Warning" and "2260: Front protection functions" may appear frequently on the instrument cluster.

Diagnosis and Trigger Conditions

If ADCAM fault memories are present, technicians should first diagnose them using ISTA (Integrated Service Technical Application). A key part of the diagnosis involves clarifying marginal conditions with the customer and performing visual inspections:

• Windshield Condition: Check if the windshield in the camera area is clean and free from obstructions like dirt, streaks, road salt, or stickers. If not, the windshield should be cleaned, and wiper quality checked.
• Camera Installation: Verify that the ADCAM camera is correctly installed and locked into its holder.
• Wiring Interference: Ensure no vehicle wiring (e.g., driving light sensor cable) obstructs the camera's field of view.
• Camera Holder: Confirm the camera holder is glued straight onto the window glass.
• Camera Alignment: Visually inspect if the camera is pointing straight ahead.

If a fault is found with the camera holder (e.g., not glued correctly), the windshield may need to be replaced according to repair instructions. Technicians will also ask customers about environmental conditions at the time of the complaint, such as heavy rain, snow, icing, fog, low sun, or rapid changes in light (tunnel entries/exits), as these can cause the 2024 BMW X5 ADCAM system limits to be reached.

Important Warnings for Owners

BMW emphasizes several critical points regarding the ADCAM system:

• Driver Responsibility: "The system does not absolve the driver from taking responsibility for speed, distance and adapting his/her driving style to the traffic conditions and ambient conditions ('Personal responsibility')."
• Parts Replacement: "The camera cannot see the traffic ahead in these situations and thereby loses the reference to the vehicle ahead and switches off for safety reasons. A parts replacement does not provide a solution in this case." Do not replace ADCAM camera components without proper diagnosis, as this may not resolve issues caused by environmental factors.
• Calibration After Windshield Replacement: If the windshield is replaced, manual calibration of the ADCAM camera is required using the diagnosis system. This calibration may take some time, and there might be temporary limitations on individual functions as a result.
• Tire Size and Chassis Modifications: Non-approved tire sizes or chassis modifications (raised or lowered suspension) can lead to anomalous system behavior, causing the ADCAM camera to switch off for safety reasons and display various Check Control messages.

Repair Procedure Summary

After initial visual inspections and customer interviews, if no clear cause is found, technicians will proceed with further diagnosis using ISTA. This involves working through corresponding test modules to pinpoint the root cause of the 2024 BMW X5 ADCAM system limits. If a windshield replacement is performed, the ADCAM camera must be manually calibrated using the diagnostic system to ensure proper functionality. This TSB, SIB 66 05 23, guides technicians through these steps to accurately diagnose and address ADCAM system limitations.

Owner Action

If you are experiencing any of the described symptoms or fault messages related to your BMW's ADCAM camera system, it is recommended to schedule an appointment with an authorized BMW dealership. Inform them about the issues you are facing and mention Technical Service Bulletin SIB 66 05 23. The dealership technicians have the necessary tools and training to diagnose and resolve these specific ADCAM system limitations.

Source: NHTSA ID 10244242