91 CONBOX: DTC B18BDF0 Or B18DEF0 Entered In The Control Module For Emergency Call Module And Communication Unit (GROUP 91, NO. 23-87)
Publication date: 2023-04-05Reference number: GROUP 91, NO. 23-87
Supersedes refnos: 2062480/1, 2062480/2, 2062480/3, GROUP 91, NO. 21-79, GROUP 91, NO. 22-29
91 CONBOX: DTC B18BDF0 OR B18DEF0 ENTERED IN THE CONTROL MODULE FOR EMERGENCY CALL MODULE AND COMMUNICATION UNIT
TECHNICAL SERVICE BULLETIN
| AUDI: | 2019 A4 allroad, A4, S4, A5, A5 Cabriolet, A5 Sportback, S5, S5 Cabriolet, S5 Sportback, RS 5, and RS 5 Sportback; 2019-2020 A6, A7, A8, Q5, SQ5, Q7, and Q8; 2020 A6 allroad, S6, S7, A8 e quattro, S8, SQ7, SQ8, RS Q8, R8, and R8 Spyder |
| GROUP: | 91 - Radio, Telephone, Board Computer, Multi-Function Indicator (MFI) |
SERVICE INFORMATION
91 23 87 2062480/3 April 5, 2023. Supersedes Technical Service Bulletin Group 91 number 22-29 dated September 23, 2022, for reasons listed below.
| Model(s) | Year | VIN Range | Vehicle-Specific Equipment |
|---|---|---|---|
| A4 allroad, A4, S4, A5, A5 Cabriolet, A5 Sportback, S5, S5 Cabriolet, S5 Sportback, RS 5, and RS 5 Sportback | 2019 | All | ConBox Low |
| A6, A7, A8, Q5, SQ5, Q7, and Q8 |
2019 - 2020 | ||
| A6 allroad, S6, S7, A8 e quattro, S8, SQ7, SQ8, RS Q8, R8, and R8 Spyder | 2020 |
CONDITION
| Revision | Date | Purpose |
|---|---|---|
| 3 | - | Revised Warranty (removed warranty table) |
| 2 | 09/23/2022 | Revised Warranty (Updated Service Number) |
| 1 | 03/05/2021 | Initial publication |
Customer states:
- No customer concerns, it is found during PDI or any other diagnostic work.
Workshop findings:
The following DTCs may be sporadically stored in the control module for emergency call module and communication unit, J949 (address word 0075):
- DTC B18BDF0 (Mobile Network Antenna 1 Connected But Not Coded).
And/Or
- DTC B18BEF0 (Mobile Network Antenna 2 Connected But Not Coded).
TECHNICAL BACKGROUND
The diagnostic routine is too sensitive.
PRODUCTION SOLUTION
Not Applicable
SERVICE
The DTCs B18BDF0 and B18BEF0 stored in the control module for the emergency call module and communication unit, J949 (address word 0075) are entered erroneously (Ghost DTCs).
- Please clear the DTCs and release the vehicle without running any test plans.
- Do not replace any parts. Any part replacement for this concern may be denied.
WARRANTY
This TSB is informational only and not applicable to any Audi warranty.
ADDITIONAL INFORMATION
All part and service references provided in this TSB (2062480 ) 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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