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Service bulletin 17TS-05REV2

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10181368
Published by NHTSA2020-10-21
Manufacturer's number17TS-05REV2
Manufacturer's date2020-10-20
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update. On Detroit DT12 equipped vehicles, it may be necessary to complete an additional step in the programming process when updating the TCM software.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Transmission and driveline, Software

Vehicles listed
DETROIT DIESEL DETROIT
FCCC XBP2017 to 2021
FCCC XCR2017 to 2021
FREIGHTLINER 108SD2017, 2018, 2019, 2020, 2021
FREIGHTLINER 114SD2017, 2018, 2019, 2020, 2021
FREIGHTLINER 122SD2017 to 2021
FREIGHTLINER BUSINESS CLASS M22017 to 2021
FREIGHTLINER CASCADIA2017, 2018, 2019, 2020, 2021
FREIGHTLINER ECONIC SD2020 to 2021
WESTERN STAR 47002017, 2018, 2019, 2020, 2021
WESTERN STAR 49002017, 2018, 2019, 2020, 2021
WESTERN STAR 57002017, 2018, 2019, 2020, 2021
WESTERN STAR 69002017, 2018, 2019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V0430002017-01-19. ELECTRICAL SYSTEM:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SF5332021-03-15. Service bulletin. SF533 Instrument Cluster Update
TechTalk77862020-11-03. Service bulletin. Tech Talk discussion on p4 gcw04t flashed to 19.45.1. Forward and lane camera not detected.
TechTalk77852020-11-03. Service bulletin. Tech Talk discussion on DL8 CGW connection issues for D20M8.
20TS-072020-10-21. Service bulletin. Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 2019. This is due to a calibration issue in the current MCM software (14.1.1.5 or 14.2.1.3). New software is scheduled for release in the first quarter of 2021 that will address these faults.
TechTalk76632020-09-30. Service bulletin. Tech Talk discussion on D20M8-A No updated CPCA software available.
CTP Letter2020-09-25. Service bulletin. Customer Letter explaining for certain vehicles the software updates for the CTP will require monitoring and may affect service availability.
D20R1REV12020-09-01. Service bulletin. Revised Detroit Emissions Recall for Daimler Trucks North America LLC, on behalf of its Detroit Powertrain Division, has determined that some Model Year 2020 GHG21 DD13 engines require reprogramming of the MCM to meet certification. NOTE: Reference 20TS-04 Detroit CPC501T GHG21 Only; Bootloader Update if New Cascadia CPC501T is not at the software level shown in this table. The Corrective Procedure also has been updated.
D20R12020-09-01. Service bulletin. Detroit Emissions Recall for GHG21 Detroit DD13 Model Year 2020 Software Reprogramming. Daimler Trucks North America LLC, on behalf of its Detroit Powertrain Division, has determined that some Model Year 2020 GHG21 DD13 engines require reprogramming of the MCM to meet certification.
D20M8REV12020-08-29. Service bulletin. Revised Detroit Field Service Campaign for GHG17 & GHG21 Detroit DD13, DD15, and DD16 ACM Software Reprogramming. NOTE: Reference 20TS-04 – Detroit™ CPC501T GHG21 Only; Bootloader Update if New Cascadia CPC501T is not at the software level shown in this table.
D20M82020-08-08. Service bulletin. Detroit Field Service Campaign for GHG17 & GHG21 Detroit DD13, DD15, and DD16 ACM Software Reprogramming