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Service bulletin D18M4

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 id10164531
Published by NHTSA2019-09-07
Manufacturer's numberD18M4
Manufacturer's date2019-09-06
NHTSA componentPOWER TRAIN

NHTSA's summary

Field Service Campaign for Remanufactured Detroit DT12 Transmissions

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

Transmission and driveline

Vehicles listed
FCCC XCM2013 to 2015
FCCC XCM2017
FCCC XCP2013 to 2015
FCCC XCP2017
FCCC XCR2013 to 2015
FCCC XCR2017
FREIGHTLINER 114SD2013, 2014, 2015, 2016, 2017
FREIGHTLINER 122SD2013 to 2017
FREIGHTLINER CASCADIA2013, 2014, 2015, 2016, 2017
FREIGHTLINER CORONADO2013, 2014, 2015, 2016, 2017
WESTERN STAR 47002013, 2014, 2015, 2016, 2017
WESTERN STAR 48002013, 2014, 2015, 2016, 2017
WESTERN STAR 49002013, 2014, 2015, 2016, 2017
WESTERN STAR 57002013, 2014, 2015, 2016, 2017
WESTERN STAR 69002015

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

Recalls for the same vehicles and component
17V3150002017-05-11. POWER TRAIN:AXLE ASSEMBLY
16V6340002016-08-31. POWER TRAIN:AXLE HUBS
15V8590002015-12-22. POWER TRAIN:AXLE ASSEMBLY
20156032015-12-18. Powertrain
15V6170002015-10-01. POWER TRAIN:MANUAL TRANSMISSION
14V2420002014-04-29. POWER TRAIN:AXLE ASSEMBLY
13V5380002013-10-30. POWER TRAIN:AXLE ASSEMBLY

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
FleetCom_Oil Plug Loc2026-01-08. Other. Fleet Communications for NFD Lower Oil Plug Location - SP Axles
TSB26-056-FTL2025-05-02. Service bulletin. Service Solution for DT12 Oil Plug Ports
TSB26-008-WST2025-05-02. Service bulletin. Service Solution for DT12 Oil Plug Ports
TSB35-039-FTL2025-01-03. Service bulletin. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
TSB35-032-FTL2025-01-03. Service bulletin. Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication
TSB35-039-FTL2024-12-06. Service bulletin. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management.
TSB35-032-FTL2024-12-04. Service bulletin. Technical Service Bulletin for Detroit Drive Axle Identification and Lubrication
CXA 11_21_M2, SD Transfer2024-12-04. Other. CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
SS3155-FTL2024-11-06. Other. Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed
CXA 9_24_NFD fill plug2024-10-04. Other. CX Advocate for NFD fill plugs