2023-2024 Audi SOS Emergency Call Malfunction TSB

Symptoms

Owners of affected 2023-2024 Audi vehicles may observe a specific warning message on their instrument cluster. The primary symptom of this issue is the display of "A SOS Emergency Call malfunction" message. This indicates a problem with the vehicle's emergency call system.

Fault Codes / DTCs

This Technical Service Bulletin (TSB) addresses a specific diagnostic trouble code (DTC) that may be stored in the vehicle's control module.

This DTC B1916F5 points to the backup battery within the Emergency Call Module and Communication Unit (ConBox) -J949- as the source of the problem.

Diagnosis and Trigger Conditions

The presence of DTC B1916F5 in the control module -J949- (address word 0075) is the key diagnostic indicator for this issue. This code specifically means that the backup battery within the ConBox has exceeded its service life. The TSB 2072457/2 notes that complete ConBox replacements are required to further analyze the root cause of this DTC entry.

Repair Procedure Summary

To resolve the "Audi SOS Emergency Call malfunction" and the associated DTC B1916F5, technicians are instructed to replace the Emergency Call Module and Communication Unit (ConBox) -J949-. This replacement should be performed according to the official Audi repair manual procedures. After the replacement, a road test is recommended to ensure the system functions correctly.

Required Parts and Tools

To perform this repair, specific parts are required, depending on the model year of the vehicle. Fasteners, bolts, nuts, and screws should be sourced as needed per the repair manual.

• For MY 2023 vehicles: Emergency Call Module and Communication Unit (ConBox) with part number 4KE035283G.
• For MY 2024 vehicles: Emergency Call Module and Communication Unit (ConBox) with part number 4KE035283L.

Technicians should always consult ETKA and their Parts Department for the most current information and parts bulletins.

Warranty Information

This repair is covered under warranty for vehicles up to 48 months or 50,000 miles. For Audi Certified Pre-Owned (CPO) vehicles, the claim type is G10, requiring owner verification. If the vehicle is outside of its warranty period, this Technical Service Bulletin 2072457/2 serves as informational guidance only.

When submitting a warranty claim related to this TSB, technicians must use:

• Service Number: 9145
• Damage Code: 0020
• Claim Comment: As per TSB 2072457/2

The labor operation for "Telematics control module remove+reinstall" is 9170 1950. Diagnostic time is GFF (0150 0000), with a maximum of 75 Time Units (TU). No allowance is provided for road tests before or after the service procedure.

Source: NHTSA ID: 10251654, TSB 91 24 84 2072457/2