A2723582070813_1
Service Bulletin Details
Public Details for: A2723582070813_1
This bulletin provides information for when there is an electrical or drive system fault, battery management 2 (48v battery) with dtc P0AA100.
- 2023 - 2022 - 2021 - 2020 - 2019 -
Models from 2023
| 2023 AUDI A7 |
| 2023 AUDI A8 |
| 2023 AUDI Q7 |
| 2023 AUDI Q8 |
| 2023 AUDI RS Q8 |
| 2023 AUDI RS7 |
| 2023 AUDI S7 |
| 2023 AUDI S8 |
| 2023 AUDI SQ7 |
| 2023 AUDI SQ8 |
Models from 2022
| 2022 AUDI A7 |
| 2022 AUDI A7 PHEV |
| 2022 AUDI A8 |
| 2022 AUDI Q7 |
| 2022 AUDI Q8 |
| 2022 AUDI RS Q8 |
| 2022 AUDI RS7 |
| 2022 AUDI S7 |
| 2022 AUDI S8 |
| 2022 AUDI SQ7 |
| 2022 AUDI SQ8 |
Models from 2021
| 2021 AUDI A7 |
| 2021 AUDI A7 PHEV |
| 2021 AUDI A8 |
| 2021 AUDI A8 PHEV |
| 2021 AUDI Q7 |
| 2021 AUDI Q8 |
| 2021 AUDI RS Q8 |
| 2021 AUDI RS7 |
| 2021 AUDI S7 |
| 2021 AUDI S8 |
| 2021 AUDI SQ7 |
| 2021 AUDI SQ8 |
Models from 2020
| 2020 AUDI A7 |
| 2020 AUDI A8 |
| 2020 AUDI A8 PHEV |
| 2020 AUDI Q7 |
| 2020 AUDI Q8 |
| 2020 AUDI RS Q8 |
| 2020 AUDI S7 |
| 2020 AUDI S8 |
| 2020 AUDI SQ7 |
| 2020 AUDI SQ8 |
Models from 2019
| 2019 AUDI A7 |
| 2019 AUDI A8 |
| 2019 AUDI Q7 |
| 2019 AUDI Q8 |
Technical Service Bulletin 27 Electrical or drive system fault, Battery management 2 (48V battery) DTC P0AA100 27 23 58 2070813/1 July 3, 2023. Model(s) Year A7, A8, Q7, and Q8 2019 – 2023 S7, S8, SQ7, 2020 – 2023 SQ8, and RS Q8 A8 e quattro 2020 – 2021 RS 7 2021 – 2023 A7 e quattro 2021 - 2022 VIN Range Vehicle-Specific Equipment All Active Roll Stabilization Condition Customer states: The instrument cluster displays the following messages: “Electrical system: fault. Please contact workshop” and/or “Drive system: fault. Please contact workshop” Workshop findings: The following DTC may be stored in the battery management 2 (48V battery) (address word 0021): • DTC P0AA100: Hybrid/EV Battery Positive Contactor Circuit Stuck Closed. Technical Background A Software related issue in 48V battery in connection with active roll stabilization. The DTC can be stored when the engine is turned on after the 48V system has been deactivated for more than 16 minutes. On vehicles with active roll stabilization (PR number 2MQ), the 48V system is activate even when the engine is not running. This means that capacitors on the 48V system are charged when the ignition is on. Steps to reproduce: 1. The vehicle is switched off and remains switched off for more than 16 minutes. Page 1 of 3 © 2023 Audi of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin 2. The vehicle comes out of bus sleep mode as the customer unlocks and enters the vehicle; this activates the roll stabilization and therefore also the 48V system. 3. The customer then leaves the vehicle again. 4. The customer returns within 16 minutes and switches on the ignition. 5. DTC P0AA100 is set. If voltage is present before and after the open relay during diagnosis (due to the charged capacitors), this is logged as event memory entry P0AA100. Production Solution New software implemented in model year 2024. Service SVM Update Instructions Always use DoIP when flashing a control module via ODIS in supported vehicles.To Activate DoIP, select Administration>>General>>GFF Process>>DoIP communication>>Only allow DoIP communicationThis setting will automatically reset when the diagnostic session is ended.You can tell if DoIP is active by observing a red LED on the VAS 6154(A) 1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions. 2. Update the battery management 2 (48V Battery) (address word 0021) using the SVM action code as listed in the table below, if necessary: Model Old Software Part Number Old Software Version New Software New Part Number Software Version (or higher) SVM Code Input (or higher) 4N0.915.105.B A6/A7/A8/Q7/Q8 4N0.915.105.D 0108 0109 0206 0207 4N0.915.105.E 0113 21A003 4N0.915.105.F 0211 Warranty Page 2 of 3 © 2023 Audi of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Technical Service Bulletin Claim Type: • 110n Up to 48 Months/50,000 Miles • G10 for CPO Covered Vehicles – Verify Owner. • If the vehicle is outside of any warranty, this Technical Service Bulletin is informational only. Service Number: 2708 Damage Code: 0039 Labor Operations: Software Update (Includes checking for DTCs) 0151 0000 Time stated on the diagnostic protocol (Max 100 TU) Diagnostic Time: GFF No allowance 0 TU Road test prior to the service procedure No allowance 0 TU Road test after the service procedure No allowance 0 TU Claim Comment: As per TSB 2070813/1 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 The following Technical Service Bulletin(s) will be necessary to complete this procedure: • TSB 2011732: 00 Software Version Management (SVM), operating instructions. All part and service references provided in this TSB (2070813) 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. ©2023 Audi of America, Inc. All rights reserved. The information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies, and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. Page 3 of 3 © 2023 Audi of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher.