2021 Freightliner Business Class M2 Electrical System Technical Service Bulletins (2024)

Table of Contents
More Freightliner Business Class M2 Electrical System Service Bulletins of Other Model Years More Electrical System Service Bulletins of Other 2021 Freightliner Models More Service Bulletins of Other 2021 Freightliner Business Class M2 Components References
TSB Number:
SF672_V4
NHTSA Number:
10246175
TSB Date:
November 3, 2023
Date Added to File:
December 6, 2023
Failing Component:
Electrical System
Summary:
Revised field service campaign for common telematics platform software update
TSB Number:
SF672
NHTSA Number:
10238260
TSB Date:
June 2, 2023
Date Added to File:
June 28, 2023
Failing Component:
Electrical System
Summary:
Field service campaign for common telematics platform software update
TSB Number:
SB54-295
NHTSA Number:
10216931
TSB Date:
July 28, 2022
Date Added to File:
August 1, 2022
Failing Component:
Electrical System
Summary:
Revised freightliner service bulletin for replacing an auto baud rate detecting bulkhead module with a fixed baud rate bhm. Description of revisions: this bulletin replaces the version dated 02/01/2016. Information about auto baud rate conn
TSB Number:
SS1032728
NHTSA Number:
10195640
TSB Date:
November 28, 2017
Date Added to File:
June 9, 2021
Failing Component:
Electrical System
Summary:
Ss 1032728 bulkhead module fault codes 524280 thru 524286 with fmi 7 clarification
TSB Number:
SS1032989
NHTSA Number:
10195624
TSB Date:
February 9, 2017
Date Added to File:
June 9, 2021
Failing Component:
Electrical System
Summary:
Service solution ss 1032989 a?? Bhm fault code changes
TSB Number:
SS1033289
NHTSA Number:
10195484
TSB Date:
December 12, 2017
Date Added to File:
June 9, 2021
Failing Component:
Electrical System
Summary:
Service solution ss 1033289 bhm fault code spn 524249 / fmi 7
TSB Number:
TECHTALK12374K
NHTSA Number:
10191829
TSB Date:
April 2, 2021
Date Added to File:
May 6, 2021
Failing Component:
Electrical System
Summary:
Tech talk continuing discussion on m2 splice packs in dash and fontaine modules.

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TSB Number:
TECHTALK12372K
NHTSA Number:
10191788
TSB Date:
April 2, 2021
Date Added to File:
May 6, 2021
Failing Component:
Electrical System
Summary:
Tech talk continuing discussion on marmon harrington vpd elgin sweeper drop oout.

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TSB Number:
SB54-320
NHTSA Number:
10191152
TSB Date:
April 30, 2021
Date Added to File:
May 2, 2021
Failing Component:
Electrical System
Summary:
Updated service bulletin for upgrading bhm software for switch expansion module fault spn 698 fmi 7. This bulletin replaces the version dated 11/11/2019. Figure 3 has been updated with a new hardware part number. A procedure was added to t

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TSB Number:
TECHTALK12374K
NHTSA Number:
10189966
TSB Date:
April 1, 2021
Date Added to File:
April 5, 2021
Failing Component:
Electrical System
Summary:
Tech talk discussion on m2 splice packs in dash and fontaine modules.

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See Also
Freightliner Business Class M2 Fault Codes List - Bulkhead Module | Truckmanualshub.com2019 Freightliner Business Class M2 Electrical System Technical Service Bulletins2018 Freightliner Business Class M2 Electrical System Technical Service Bulletins2014 Freightliner Business Class M2 Electrical System Technical Service Bulletins

TSB Number:
TECHTALK12372K
NHTSA Number:
10189965
TSB Date:
March 31, 2021
Date Added to File:
April 5, 2021
Failing Component:
Electrical System
Summary:
Tech talk discussion on marmon-harrington vpd/elgin sweeper drop out.

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TSB Number:
WP21-007
NHTSA Number:
10189319
TSB Date:
March 22, 2021
Date Added to File:
March 23, 2021
Failing Component:
Electrical System
Summary:
Warranty policy letter for battery tags. Dtna determined that since adopting the autometer bct-460dtna powernet assessment tool (autometer) as the required powernet system tester, not all battery tags have to be retained support warranty-re

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TSB Number:
WI21-006
NHTSA Number:
10187444
TSB Date:
February 15, 2021
Date Added to File:
February 25, 2021
Failing Component:
Electrical System
Summary:
Warranty information letter for detroit nox sensor circuit fault codes - claim guidelines.

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TSB Number:
TECHTALK8065
NHTSA Number:
10186638
TSB Date:
January 20, 2021
Date Added to File:
February 2, 2021
Failing Component:
Electrical System
Summary:
Tech talk discussion on m2 106 abs battery power issue.

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TSB Number:
TECHTALK8090
NHTSA Number:
10186549
TSB Date:
January 29, 2021
Date Added to File:
February 1, 2021
Failing Component:
Electrical System
Summary:
Tech talk discussion on m2 500k issue.

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TSB Number:
CALFTL54-013
NHTSA Number:
10183321
TSB Date:
November 4, 2020
Date Added to File:
December 7, 2020
Failing Component:
Electrical System
Summary:
Customer advisory letter for updating the rp170 customer access connector and adding overlays for j1939. The electrical guide for m2106, m2112, 108sd, 114sd body builder reference guide revision: d june 2019 incorrectly displays pins 2 and

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See Also
2020 Freightliner Business Class M2 Electrical System Technical Service Bulletins

TSB Number:
TECHTALK7889
NHTSA Number:
10183586
TSB Date:
November 28, 2020
Date Added to File:
December 2, 2020
Failing Component:
Electrical System
Summary:
Tech talk discussion on 2021 bulkhead module problems.

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TSB Number:
TECHTALK7856
NHTSA Number:
10183448
TSB Date:
November 10, 2020
Date Added to File:
December 1, 2020
Failing Component:
Electrical System
Summary:
Tech talk discussion on 2021 m2 chm fuse.

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TSB Number:
TECHTALK7658
NHTSA Number:
10181964
TSB Date:
October 2, 2020
Date Added to File:
November 2, 2020
Failing Component:
Electrical System
Summary:
Tech talk discussion on m-2 gauges inoperative at times due to paint on backside of nut on pndb.

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TSB Number:
SS1034797
NHTSA Number:
10181942
TSB Date:
October 30, 2020
Date Added to File:
November 2, 2020
Failing Component:
Electrical System
Summary:
Service solution for m2,108sd, 114sd coolant level sensor p/n 06-93316-002. The call center has received several calls pertaining to this lcl sensor introduced to in 2018. The purpose of this solution is to bring better awareness to the sen

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TSB Number:
SB54-278
NHTSA Number:
10181759
TSB Date:
October 27, 2020
Date Added to File:
October 27, 2020
Failing Component:
Electrical System
Summary:
Updated freightliner service bulletin for powernet troubleshooting guide - batteries, path, alternator, and starter. This bulletin replaces the version dated 5/31/2017. Information is added about the bct-460dtna powernet assessment tool. Wh

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TSB Number:
TECHTALK7658
NHTSA Number:
10180423
TSB Date:
September 15, 2020
Date Added to File:
September 30, 2020
Failing Component:
Electrical System
Summary:
Tech talk discussion on m-2 gauges inoperative at times.

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TSB Number:
TECHTALK7657
NHTSA Number:
10180422
TSB Date:
September 10, 2020
Date Added to File:
September 30, 2020
Failing Component:
Electrical System
Summary:
Tech talk discussion on 500k data link.

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TSB Number:
20CSA-15
NHTSA Number:
10179249
TSB Date:
August 31, 2020
Date Added to File:
September 1, 2020
Failing Component:
Electrical System
Summary:
Customer service announcement for release of diagnosticlink 8.12 service pack 2. On thursday, september 3, 2020, service pack (sp) 2 for diagnosticlink 8.12 standard and professional will be made available to download from the detroit diese

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TSB Number:
ICI20-024
NHTSA Number:
10178206
TSB Date:
August 7, 2020
Date Added to File:
August 7, 2020
Failing Component:
Electrical System
Summary:
Important campaign information letter announcing that sf605 for led step lighting has been suspended. It has been determined that a change in the procedure is necessary. A second important campaign information letter will be posted when the

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TSB Number:
SB54-334
NHTSA Number:
10177647
TSB Date:
July 24, 2020
Date Added to File:
July 27, 2020
Failing Component:
Electrical System
Summary:
Service bulletin for front lighting ground splice pack failure. The left and right hood lighting of these vehicles have separate ground paths to the frame and use the same splice pack parts. The splice packs are part of the hood commodity a

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TSB Number:
SF605
NHTSA Number:
10177002
TSB Date:
June 26, 2020
Date Added to File:
July 2, 2020
Failing Component:
Electrical System
Summary:
Field service campaign for led step lighting. The frontwall harness that controls the led step lighting is wired incorrectly. The frontwall harness will be repinned.

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TSB Number:
SS1034679
NHTSA Number:
10172593
TSB Date:
March 18, 2020
Date Added to File:
March 30, 2020
Failing Component:
Electrical System
Summary:
Service solution for m2 abs wiring harness rubs on forward cab mount. Abs chassis harness is rubbing on the rear of the driver side forward cab mounting bracket on m2 106 trucks with a 160 mm cab hgt. This may cause open or shorted circuits

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More Freightliner Business Class M2 Electrical System Service Bulletins of Other Model Years

More Electrical System Service Bulletins of Other 2021 Freightliner Models

More Service Bulletins of Other 2021 Freightliner Business Class M2 Components

2021 Freightliner Business Class M2 Electrical System Technical Service Bulletins (2024)

References

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