NHTSA ID Number: 10191005
Manufacturer Communication Number: A4821972063041_1
TSB/Document Date: 2021-05-06
Summary
This buletin contains a software update when there is a red steering warning lamp and DTC B200000 is stored.
48 Red steering warning lamp on in cluster, DTC B200000 is stored in the power steering control module
48 21 97 2063041/1 April 20, 2021.
Model(s)
Year
VIN Range
Vehicle-Specific Equipment
A4, A4
allroad, and
S4
2017 - 2020
All
Not Applicable
A5, A5
Cabriolet,
A5
Sportback,
S5, S5
Cabriolet,
and S5
Sportback,
2018 - 2020
All
Not Applicable
RS 5. RS 5
Cabriolet,
and RS 5
Sportback
2019, 2021
All
Not Applicable
Condition
Customer states:
The steering feels heavy.
Red warning lamp for steering in instrument cluster.
Workshop findings:
The customer concern can be reproduced.
One of the following DTC and symptom code combinations are stored in the power steering control module, J500
(address word 0044):
DTC B200000 (Faulty control module) with symptom code 14848.
Or
DTC B200000 (Faulty control module) with symptom code 5120.
Page 1 of 5
© 2021 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 Background
Before updating the power steering control module, J500 (address word 0044), review the 4 steps below:
Note:
Observe the extended ambient conditions in the control module, otherwise a software update will not fix the
concern.
1. With DTC B200000, symptom code 14848 and (Software version 409 and 410)
1.1 Check the parameter for customer fault type (Param_Kfa) in the extended ambient conditions.
1.2 The number 6 must be listed. If number 6 is shown, the update will be effective (Figure 1).
Figure 1. Extended Ambient Conditions.
2. With DTC B200000, symptom code 14848 and (Software version 405 and 407)
2.1 (Param_Kfa) not visible with this software version.
2.2 If the DTC is no longer logged after the SVM update, the update has been successful.
2.3 If the DTC still logged after SVM update, the steering gear will have to be replaced.
3. With DTC B200000, symptom code 5120: (Software version 409 and 410).
3.1 Check the parameter for customer fault type (Param_Kfa) in the extended ambient conditions.
3.2 The number 11 must be listed. If number 11 is shown, the update will be effective.
4. With DTC B200000, symptom code 5120: (Software version 405 and 407).
4.1 (Param_Kfa) not visible with this software version.
4.2 If the DTC is no longer logged after the SVM update, the update has been successful.
4.3 If the DTC still logged after SVM update, the steering gear will have to be replaced.
Page 2 of 5
© 2021 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.
Production Solution
Improved software for MY 21.
Service
SVM Update Instructions
1. Follow all instructions in TSB 2011732: 00 Software Version Management (SVM), operating instructions.
2. Update the power steering control module, J500 (address word 0044) using the SVM action code as listed in
the table below, if necessary:
Model
Old Software
Part Number
Old
Software
Version
8W0909144F
0407
8W0909144D
0405
8W0909144H
0410
8W0909144G
0409
A4/A5
New Software
Part Number
New Software
Version
(or higher)
(or higher)
8W0909144J
0411
SVM Code Input
44A013
3. If steering gear replacement is necessary, proceed as described in the Elsa Repair Manual, Chassis >>
Suspension, Wheels, Steering >> 48 Steering >> Steering Gear >> Removing and Installing.
Warranty
Claim Type:
110 up to 48 Months/50,000 Miles.
G10 for CPO Covered Vehicles – Verify Owner.
If the vehicle is outside any warranty, this Technical Service Bulletin is informational
only.
Service Number:
4835
Damage Code:
0040
Labor Operations:
Electro mechanical steering Remove +
Reinstall (only if steering gear is replaced)
4835 1900
See SRT with
associated
operations
Page 3 of 5
© 2021 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.
Diagnostic Time:
Claim Comment:
Vehicle front rear measurement (only if
steering gear is replaced)
4495 0300
See SRT with
associated
operations
Software Update
0151 0000
30 TU
GFF
0150 0000
Time stated on
the diagnostic
protocol (Max 50
TU)
Road test prior to the service procedure
No allowance
0 TU
Road test after the service procedure
0121 0004
10 TU
As per TSB #2063041/1
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.
Required Parts and Tools
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins.
Part Number
Part Description
Quantity
See ETKA
Fasteners, Bolts, Nuts, and Screws as needed per the
Repair Manual
See ETKA/ELSA
See ETKA
Steering Gear (if necessary)
01
Additional Information
More information on this system can be found in the following resources:
Elsa: Chassis >> Suspension, Wheels, Steering >> 48 Steering >> Steering Gear >> Removing and Installing.
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 (2063041) 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.
©2021 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
Page 4 of 5
© 2021 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.
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 5 of 5
© 2021 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.
- Advanced VCI Box, Industry-leading J2534 Pass-Thru...
- High-Speed OEM-Level Diagnostics & Programming: Unlock true...
- Coverage for 17 Car Brands & Ultra Reliability: Works...
- User-Friendly RLink Platform & Expert Support: TOPDON’s...
- 6.6 ft USB-C Cable & Portable Storage Case: The RLink J...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: A4821972063041_1
Replacement Service Bulletin Number:
MFR Communication Date: 2021-04-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- Obd2 Bluetooth Scanner Lifetime Update: Ediag Elite offers revolutionary Advantage Lifetime Updates with unlimited access to the superior 15 reset service, bidirectional testing and full system diagnostics.The Ediag Elite is an excellent Bluetooth obd2 scanner diagnostic tool ideal for diy's and private car owners
- Bidirectional Control for Quickly Locating Problems: The Bidirectional Scan tool allows you to send commands directly from your smartphone to your vehicle for active testing. This feature helps to quickly narrow down problems such as air conditioning clutches, windows, doors, sunroofs, etc., reducing diagnostic time for mechanics and helping Diy users locate faults more easily. In addition, Ediag Elite provides fault analysis and repair guidance to help you solve problems efficiently.
- 15 Maintenance Resets: The current version introduces 15 popular special features: Oil Reset, Headlight Matching, Bleeding Reset, TPMS Reset, BMS Reset, Gear Box Relearn, Throttle Learning, Injector Coding, SAS Reset and more special functions in system diagnose menu. These functions make it easy for owners to carry out the necessary maintenance and servicing, ensuring that your vehicle stays in top condition, prolonging its service life and preventing common problems and breakdowns. Note: The Special function vary by model& year, Reach us check compatibility.
- Wide Compatibility CANFD & FCA
Autoauth: Compatible with GM, Ford
, Toyota
, Chrysler
, Honda
, Mazda
, Nissan
, Mitsubishi
, Hyundai
, KIA
with standard OBD2 port from 1996 to newer. More car brands and features will be released gradually. Newest Ediag Elite scanner supports CANFD Protocol and FCA
cars. Note: Coverage may vary on different vehicle by model& year ,Please contact us to confirm compatibility before purchase. - Perfect for Monitoring The Health of Your Vehicle: Ediag Elite is designed to make vehicle maintenance simple and efficient. With intelligent AutoVIN quick recognition, it is easy to connect to your car without the need for manual input. Real-time data is visualized in a variety of formats, including graphs, numeric, meter displays and clear 4-in-1 data charts, allowing you to effortlessly monitor real-time data. Data logging/reporting is available for playback and further analysis.
- No Annual Fees & 2026 Upgraded CAN FD: Why pay $199/year or more for updates? The 2026 newest Kingbolen K7 obd2 scanner features have been upgraded to Lifetime Updates without subscription fees, saving you significant costs in the long run. K7 scan tool also adds the CAN FD protocol for the latest GM models (2019+), enabling faster data transfer, reducing the risk of undetected errors
- 2026 Newest Top-tier Car Scanner: Kingbolen K7 diagnostic scan tool is equipped with most capabilities for daily repair/maintenance: Wireless diagnosis via Bluetooth, Bidirectional Test, ECU Online/Offline Code, 31+ Resets, PMI for Ford
, Lincoln
, Mazda
, Global version for 100+ brand vehicles and 17 languages, no area limit, FCA
AutoAuth - OE-Level Full Systems Scan Tool: K7 professional diagnostic scanner with Auto Vin can do one-click to scan ECUs on most of vehicles, like pcm, ecm, eps, bcm, tpms, sas, a/c system... to read/clear code, view live data, freeze frame, read ecu info. 4-in-1 data stream graphics can make data viewing more intuitive. Detailed diagnostic reports will help you easily master the car situation as it can be shared by bluetooth or email! Adding workshop information can help your customers to know more
- Bidirectional Test/Active Test & ECU Code: Stop guessing and start fixing. Bidirectional scan tool Kingbolen K7 can perform real active test that can send commands to the vehicle's ECU to drive the actuators to work, like window, rear mirrors, sunroof, door, solenoids, wipers, headlamp, etc, helping you quickly find out bad parts and pinpoint faulty issues. K7 bidirectional scanner will be a good choice to save money and time on car repairs when performing complex maintenance and repair
- 31 Reset Functions: Avoid expensive dealership visits for simple services. Experience tells us that just a small repair service may cost a lot of money. Kingbolen K7 is a professional diagnostic scanner with 31 common maintenance services like Oil /SAS/EPB/TPMS Reset, Battery Matching, ABS Bleeding, Injector Code, etc. It effectively handles most of the car reset and relearning jobs, perfect for experienced DIYers and mechanics. Note: Functions in the menu vary across vehicles. Kindly check the compatibility before purchase
- 【Lifetime Database & Software Updates— No Subscription Fee, No Feature Lock, Save you $399/Y】KINGBOLEN K8 Pro's software can already be permanently upgraded and used for while software of other same price product still needs annual fee of almost $400. K8 pro scanner has packed all capabilities auto technicians would ever need for repair & maintenance services: Added CAN-FD & DOIP protocol, Bluetooth Wireless Diagnosis, Bidirectional Test, ECU Online/Offline Code & Guided Functions for VW
, for Audi
...34+ Restes, Autoauth for FCA
SGW, Larger 4GB+64GB memory, 12600mAh battery, 8'' touch screen with 1280 * 800 Resolution. A Kickstand can allow the tablet to sit at a comfortable angle - 【Newly Added CAN FD & DOIP Protocol】As Upgrade Version of Kingbolen K8, K8 Pro obd2 scanner supports CANFD and DOIP protocol, which will save you 200+ bucks as no need extra buy for special adapter. CANFD protocol suits for the latest GM(2019-), reducing the risk of undetected errors. The DoIP protocol (comes with DoIp cable) fits for 2017+ BMW
(F&G chassis), for Jaguar
& Land Rover
after 2017, for Volvo
after 2018. Plus, K8 Pro's Memory from 2G+32G expanded to 4G+64G, update period extended from 2 years to permanent - 【34+ Hot Special Functions & V.A.G Guide】KINGBOLEN K8 pro bluetooth obd2 scanner covers almost all common services including Oil Reset, EPB, SAS, BMS Reset, ABS bleed, Throttle Reset, Suspension, Injector Code, Power Balance, Transmission Adaptation, Fuel Trim Learn, HVAC Control Module Calibrate, Language Change, A/F Settings, Stop/Start Reset, Crankshaft Sensor Relearn, TPMS, PMI function and etc. Imagine how much money and time you spend on car maintenance every year? K8 pro car scanner will be a good helper and saver for your car. V.A.G Guided function provides step-by-step guide to work for Volkswagen
/Audi
/Skoda. Note: Please send us model/year/vin to check compatibility before order - 【Powerful Bidirectional Test/Active Test & ECU Code】As a bidirectional scan tool, KINGBOLEN K8 pro allows you to request information from a vehicle's ECU or send commands to the vehicle's modules to perform specific tests and functions, such as EVAP Tests, Turn on/off radiator fan, Window/Mirror/Door Lock Test, Pump and Value Tests, Sound horn Test, et. Without using the vehicle control system and dismantling car’s parts, it can quickly and accurately pinpoint the fault causes, simple operation saves time and money
- 【Wireless OE-Level All Systems Diagnostics】Equipped with Bluetooth VCI, you can do car diagnostics out of the car (up to 33F/10M) without being confined to a small space inside the car. Provides the convenience of Auto VIN, K8 pro allowing for easy access and diagnosis of all available modules on a wide range of vehicles, like PCM, ECM, BCM, TPMS, SAS, Fuel System, etc, to perform read/clear codes, view live data, freeze frame, perform active tests, and read ECU info... 12-In-1 Data Stream Graphics make data viewing more intuitive.Diagnostic reports can be shared via QR Code, Bluetooth or email.Built-in Browser and Fault Code Library allows you directly query the fault code when diagnosing
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.




