91 CONBOX High: ECALL Fault/ECALL Led Red With DTC B2000-00 (GROUP 91, NO. 25-51)
Reference number: GROUP 91, NO. 25-51
Supersedes refnos: 2059528, 2059528/1, 2059528/10, 2059528/11, 2059528/12, 2059528/13, 2059528/14, 2059528/2, 2059528/3, 2059528/4, 2059528/5, 2059528/6, 2059528/7, 2059528/8, 2059528/9, GROUP 91 NO. 22-80, GROUP 91, NO. 20-25, GROUP 91, NO. 20-67, GROUP 91, NO. 21-12, GROUP 91, NO. 22-28, GROUP 91, NO. 22-49, GROUP 91, NO. 22-72, GROUP 91, NO. 24-09, GROUP 91, NO. 24-23, GROUP 91, NO. 24-30, GROUP 91, NO. 24-45, GROUP 91, NO. 24-93, GROUP 91, NO. 25-14
91 CONBOX HIGH: ECALL FAULT/ECALL LED RED WITH DTC B2000-00
TECHNICAL SERVICE BULLETIN
| AUDI: | 2021-2025 A4, A4 allroad, S4, A5 Sportback, S5 Sportback, RS 5 Sportback, A6, A6 allroad, S6, RS 6 Avant, A7, S7, RS 7, A8, S8, Q5, Q5 e quattro, Q5 Sportback, SQ5, SQ5 Sportback, Q7, SQ7, Q8, SQ8, and RS Q8; 2021-2024 A5, A5 Cabriolet, S5, S5 Cabriolet, and RS 5; 2021-2023 e-tron, and e-tron Sportback; 2021-2022 A7 e quattro; 2021 A8 e quattro; 2022-2025 e-tron GT, and RS e-tron GT; 2024 Q8 e-tron, Q8 Sportback e-tron, SQ8 e-tron, and SQ8 e-tron Sportback |
| GROUP: | 91 - Radio, Telephone, Board Computer, Multi-Function Indicator (MFI) |
SERVICE INFORMATION
91 25 51 2059528/14 April 14, 2025. Supersedes Technical Service Bulletin Group 91 number 25-14 dated February 25, 2025, for reasons listed below.
| Model(s) | Year | VIN Range | Vehicle-Specific Equipment |
|---|---|---|---|
| A4, A4 allroad, S4, A5 Sportback, S5 Sportback, RS 5 Sportback, A6, A6 allroad, S6, RS 6 Avant, A7, S7, RS 7, A8, S8, Q5, Q5 e quattro, Q5 Sportback, SQ5, SQ5 Sportback, Q7, SQ7, Q8, SQ8, and RS Q8 | 2021 - 2025 | All | ConBox High |
| A5, A5 Cabriolet, S5, S5 Cabriolet, and RS 5 | 2021 - 2024 | ||
| e-tron, and e-tron Sportback | 2021 - 2023 | ||
| A7 e quattro | 2021 - 2022 | ||
| A8 e quattro | 2021 | ||
| e-tron GT, and RS e-tron GT | 2022 - 2025 | ||
| Q8 e-tron, Q8 Sportback e-tron, SQ8 e-tron, and SQ8 e-tron Sportback | 2024 |
CONDITION
| Revision | Date | Purpose |
|---|---|---|
| 14 | - | Revised Service (Updated verbiage) |
| 13 | 02/25/2025 | Revised header
(added MY25) Revised Service (Updated ODIS version required, added note, separated instructions for additional model years) |
| 12 | 08/30/2024 | Revised header (added MY25 Q7) |
Customer states:
The following warning appears in the instrument cluster:
"Emergency call function: malfunction! Function unavailable. Please contact service" (Figure 1).
Workshop findings:
The following DTC is stored in the Emergency Call Module and Communication Unit (ConBox), J949 (address word 0075):
DTC B200000: Ctrl. Module Faulty (active/static).
TECHNICAL BACKGROUND 1
Software issue, DTC is stored without a good reason.
PRODUCTION SOLUTION
The DTC setting conditions will be optimized with new software versions for the Emergency Call Module and Communication Unit (ConBox). This has been deployed since CW 29/2024.
SERVICE
The solution to the complaint has two parts. Follow the steps below, start with part 1.
Ensure that the most current ODIS Version is being used (minimum > 2025.02.00).
Part 1 should be invoiced via this TSB. Part 2 should be invoiced via the applicable TSB for that part.
Part 1:
From the test plan, perform program "J949 - Control Module for Emergency Call Module and Communication Unit, check control module ". The program is automatically added as part of the test plan due to DTC "B200000: Control module faulty" being logged. You can also find the function under the following path in ODIS: Self-test >> Diagnostic capable systems >> 0075 - Control Module for Emergency Call Module and Communication Unit -J949- >> 0075 - Electrical components >> Control Module for Emergency Call Module and Communication Unit, check control module.
If the program is not automatically entered in the test plan, the test plan filter can be changed from standard to "All". The program will then appear and can be used.
Then check whether the DTC has been erased, and the message has disappeared from the instrument cluster. If the message is still shown, repeat step 1, otherwise, continue with part 2.
Part 2:
Model years 2020 and 2021:
For vehicles of model years 2020 and 2021, a software package has been developed for a group of control units so that several complaints can be fixed in one repair. Cluster 35 service update TSB 2067021: 91 MIB3: Garage opener/SXM/Online Radio or other malfunctions B129B11, B129C22, B123B13, B123C13, U044700 or B200000 (MY 2020) or recall 91DZ (MY 2021) describes how this software package will be distributed and used.
Model years 2022 and 2023 (+ certain vehicles from 2021):
For vehicles of model years 2022 and 2023, a software package is being developed for a group of control units so that several complaints can be fixed in one repair, the Customer Service Package. TSB 2076404: 00 Deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR describes how this software package will be distributed and used. Billing is done via the accounting instructions stated in the respective TSB.
Model years 2024 and 2025:
A customer service measure is currently being developed for vehicles from model years 2024 and 2025. A solution can be expected in Q3/2025.
WARRANTY
Part 1:
| Claim Type: | If the vehicle is outside of any warranty, this Technical Service Bulletin is informational only. | ||
| Service Number: | 9145 | ||
| Damage Code: | 0039 | ||
| Labor Operations: | GFF | 0150 0010 | See SRT with associated operations |
| GFF | 0150 0060 | Labor according to diagnostic log | |
| Claim Comment: | As per TSB 2059528/14 | ||
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual . Claims are subject to review or audit by Audi Warranty.
ADDITIONAL INFORMATION
All part and service references provided in this TSB (2059528 ) are subject to change and/or removal. Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
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