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Service bulletin D18M1 GHG14 Heav

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 id10151005
Published by NHTSA2018-12-10
Manufacturer's numberD18M1 GHG14 Heav
Manufacturer's date2018-08-10
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Field Service Campaign: GHG14 Heavy Duty Engine Platform Vocational Application Programming

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, Engine, Software

Vehicles listed
FREIGHTLINER 122SD2013 to 2015
FREIGHTLINER CASCADIA2013, 2014, 2015
WESTERN STAR 48002013, 2014, 2015
WESTERN STAR 49002013, 2014, 2015
WESTERN STAR 57002013, 2014, 2015
WESTERN STAR 69002013, 2014, 2015

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

Recalls for the same vehicles and component
13V1270002013-04-09. ELECTRICAL SYSTEM:SOFTWARE
13V0990002013-03-18. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING

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
D20M12020-04-24. Service bulletin. Updated DDC Field Service Campaign for GHG14 DETROIT DD13 with Two-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005. Certain sections have been updated for clarity.
SB54-2392019-11-20. Service bulletin. Service Bulletin for Cascadia Cabin CAN ECU Compatibility. Compatible software levels are required for the proper operation of the vehicle.
ICI19-016 SF5602019-06-10. Service bulletin. Revised Bulletin
sb543082019-06-03. Service bulletin. sb54308 Chassis ECU Programming
aeoD18M22019-04-08. Service bulletin. Field Service Campaign D18M2 GHG17 GHG17 Detroit DD13® Software Reprogramming and Emission Label Replacement for Motor Coach Industries, Inc. (MCI®)
D18M22019-04-08. Service bulletin. Field Service Campaign-D18M2 - REVISION 1 GHG17 Detroit DD13® Software Reprogramming and Emission Label Replacement for Motor Coach Industries, Inc. (MCI®)
aeo18M12018-10-29. Service bulletin. aeo18M1 GHG14 Heavy Duty Engine Platform Vocational Application Programming
MY18M12018-10-29. Service bulletin. MY18M1a 05-MAR-2018 Vocational
ICI13-0072018-06-25. Service bulletin. ICI13-007-DLR FL641 ? Interim Recall Notice
54-2772018-06-25. Service bulletin. 54-277 - Resetting Erroneous Learned Roll Call ECUs on Vehicles with ICU4M