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Service bulletin D19R2

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 id10165541
Published by NHTSA2019-10-01
Manufacturer's numberD19R2
Manufacturer's date2019-10-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

DDC Emission Recall for GHG17 MDEG Platform DD8“ Software Reprogramming For California Inspection and Maintenance

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, Software

Vehicles listed
FREIGHTLINER 108SD2018, 2019
FREIGHTLINER 114SD2018, 2019
FREIGHTLINER BUSINESS CLASS M22018 to 2019

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

Other bulletins for the same vehicles and component
17TS-05REV22020-10-21. Service bulletin. 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.
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®)
0405-182018-06-18. Service bulletin. 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue
15TL212018-01-05. Service bulletin. 15TL21 GHG17 Diagnostic Connector Update
1005-142017-11-17. Service bulletin. 1005-14 Oil Coolant Module