NHTSA ID Number: 10190873
Manufacturer Communication Number: MC000521
TSB/Document Date: 2021-04-26
Summary
The installed control units cannot be found when reading out with IST
4/1/2021
00 05 21_ISTA 4.28 CONNECTIVITY PROBLEMS WITH OLDER VEHICLES
SIB 00 05 21
ISTA 4.28 CONNECTIVITY PROBLEMS WITH OLDER VEHICLES
2021-03-25
This Service Information Bulletin replaces SI 00 05 21 dated March 2021.
What’s New
A patch is now available
MODEL
Model
K14, K14 02
K15
K18
K19
K21
K25 02, K25 12, K25 32
K25 03
K25 HP
K25, K25 11, K25 31
K26, K26 11
K27, K27 11
K28
K29
K29 HP
K40
K40 11
K43
K43 11
K43 HV
K44
K44 31
K46, K46 11
K70 11, K70 12
K71
K71 11, K71 12
K72
K72 11, K72 12
K73 02, K73 03, K73 11, K73
12
K75, K75 12
R13
R13 31
Model Description
F 650 CS
G 650 Xcountry
C 600 Sport
C 650 GT
R nineT
R 1200 GS Adventure
HP2 Megamoto
HP2 Enduro
R 1200 GS
R 900 RT SPECIAL VEHICLE
R 1200 R
R 1200 ST
R 1200 S
HP2 Sport
K 1200 S
K 1300 S
K 1200 R
K 1300 R
K 1200 R Sport
K 1200 GT
K 1300 GT
S 1000 RR
F 700 GS
F 800 S
F 800 GT
F 650 GS
F 800 GS
F 800 R
F 800 GS Adventure
F 650 GS
G 650 GS
SITUATION
The installed control units cannot be found when reading out with ISTA. All control units are shown
in yellow (control units do not identify themselves) in the bus overview and control unit list. A fault memory
entry appears regarding a serious exceptional communication fault with the vehicle.
Copyright ©2021 MOTORRAD USA, a division of BMW
of North America, LLC. All Rights Reserved
1/2
4/1/2021
00 05 21_ISTA 4.28 CONNECTIVITY PROBLEMS WITH OLDER VEHICLES
There is a fault in ISTA 4.28, and the precise cause is currently being analyzed. Urgent work is currently
underway to eliminate this fault.
PROCEDURE
Ensure that the fault is not caused by a defective ICOM-D (adapter for the round diagnostic connector).
Workaround:
1. Stop ISTA
2. Save the attached zip file "202103_MRK24-patch.zip" to any directory on the computer where ISTA is
installed.
3. Switch to the directory with the ZIP file.
4. Unzip the 202103_MRK24-patch.zip ZIP file into the same folder.
5. Start the patching process by running the cmd file "202103_MRK24_patch.cmd".
The message "MRK24 patch successfully executed" confirms the successful patching process.
6. ISTA can be restarted.
The original state can be restored if necessary, by stopping ISTA and running the cmd file
"202103_MRK24_restore.cmd".
Message "MRK24 restore successfully executed" indicates the successful recovery.
If there is an error in the execution of the patch, report the error message via TSARA case to BMW![]()
Motorrad.
QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries
Contact the BMW
Technical Support Group via TSARA
Submit an IDS ticket to the Warranty Department
Submit an IDS ticket to the Motorrad Parts Department
Supporting Materials
picture_as_pdf 00 05 21 ISTA 4.28 Connectivity Problems With Older Vehicles.pdf
insert_drive_file 202103_MRK24-patch.zip
Copyright ©2021 MOTORRAD USA, a division of BMW
of North America, LLC. All Rights Reserved
2/2
Service Information Bulletin
Maintenance and General Information
March 25, 2021
00 05 21
ISTA 4.28 CONNECTIVITY PROBLEMS WITH
OLDER VEHICLES
This Service Information Bulletin replaces SI 00 05 21 dated March 2021.
What’s New
A patch is now available
MODEL
Model
K14, K14 02
K15
K18
K19
K21
K25 02, K25 12, K25 32
K25 03
K25 HP
K25, K25 11, K25 31
K26, K26 11
K27, K27 11
K28
K29
K29 HP
K40
K40 11
K43
K43 11
K43 HV
K44
K44 31
K46, K46 11
K70 11, K70 12
K71
K71 11, K71 12
K72
K72 11, K72 12
K73 02, K73 03, K73 11, K73 12
K75, K75 12
R13
R13 31
Model Description
F 650 CS
G 650 Xcountry
C 600 Sport
C 650 GT
R nineT
R 1200 GS Adventure
HP2 Megamoto
HP2 Enduro
R 1200 GS
R 900 RT SPECIAL VEHICLE
R 1200 R
R 1200 ST
R 1200 S
HP2 Sport
K 1200 S
K 1300 S
K 1200 R
K 1300 R
K 1200 R Sport
K 1200 GT
K 1300 GT
S 1000 RR
F 700 GS
F 800 S
F 800 GT
F 650 GS
F 800 GS
F 800 R
F 800 GS Adventure
F 650 GS
G 650 GS
© 2021, BMW
of North America, LLC. The contents of this document are confidential and should not be shared with third
parties for distribution. All pricing subject to change.
Page | 1
SITUATION
The installed control units cannot be found when reading out with ISTA. All control units are shown
in yellow (control units do not identify themselves) in the bus overview and control unit list. A fault
memory entry appears regarding a serious exceptional communication fault with the vehicle.
There is a fault in ISTA 4.28, and the precise cause is currently being analyzed. Urgent work is
currently underway to eliminate this fault.
PROCEDURE
Ensure that the fault is not caused by a defective ICOM-D (adapter for the round diagnostic
connector).
Workaround:
1. Stop ISTA
2. Save the attached zip file "202103_MRK24-patch.zip" to any directory on the computer where ISTA
is installed.
3. Switch to the directory with the ZIP file.
4. Unzip the 202103_MRK24-patch.zip ZIP file into the same folder.
5. Start the patching process by running the cmd file "202103_MRK24_patch.cmd".
The message "MRK24 patch successfully executed" confirms the successful patching process.
6. ISTA can be restarted.
The original state can be restored if necessary, by stopping ISTA and running the cmd file
"202103_MRK24_restore.cmd".
Message "MRK24 restore successfully executed" indicates the successful recovery.
If there is an error in the execution of the patch, report the error message via TSARA case to BMW![]()
Motorrad.
QUESTIONS REGARDING THIS BULLETIN
Technical inquiries
Warranty inquiries
Parts inquiries
Contact the BMW
Technical Support Group via TSARA
Submit an IDS ticket to the Warranty Department
Submit an IDS ticket to the Motorrad Parts Department
© 2021, BMW
of North America, LLC. The contents of this document are confidential and should not be shared with third
parties for distribution. All pricing subject to change.
Page | 2
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TSB/Document ID: MC000521
Replacement Service Bulletin Number:
MFR Communication Date: 2021-03-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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