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Service bulletin 15TS12

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 id10129676
Published by NHTSA2018-03-05
Manufacturer's number15TS12
Manufacturer's date2015-05-15
NHTSA componentEQUIPMENT

NHTSA's summary

15TS12 DD Platform Cylinder Block Oil Gallery Cup Plug Replacement

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

Equipment and accessories

Vehicles listed
FREIGHTLINER 114SD2015, 2016
FREIGHTLINER 122SD2015 to 2016
FREIGHTLINER BUSINESS CLASS M22015 to 2016
FREIGHTLINER CASCADIA2015, 2016
FREIGHTLINER CENTURY CLASS2015 to 2016
FREIGHTLINER COLUMBIA2015, 2016
FREIGHTLINER CORONADO2015, 2016
FREIGHTLINER FREIGHTLINER
STERLING A-LINE2015 to 2016
STERLING L-LINE2015 to 2016
WESTERN STAR 47002015, 2016
WESTERN STAR 49002015, 2016

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

Recalls for the same vehicles and component
20176362017-12-18. Accessories
17V8100002017-12-15. EQUIPMENT
16V1430002016-03-09. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL
15V1820002015-03-27. EQUIPMENT
20151332015-03-25. Accessories
14V5880002014-09-23. EQUIPMENT:ELECTRICAL

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
SB54-3582023-05-05. Service bulletin. Revised Freightliner Service Bulletin for Converting CTP1 to CTP2. Description of Revisions: This bulletin replaces the version dated 11/28/2022. The CTP replacement part number has been updated.
SB54-3582022-12-03. Service bulletin. Freightliner Service Bulletin for Converting CTP1 to CTP2.
CALWS32-0012021-05-25. Service bulletin. Customer Advisory Letter on Transverse Track Rod Tower Bracket
CALFTL54-0012021-05-25. Service bulletin. Customer Advisory Letter on Powertrain PDM and Main PDM Bracket Modification
SB54-2952021-05-24. Service bulletin. Vehicles built in model year 2016 use a bulkhead module (BHM) with a 500k auto baud rate. If a BHM needs replacement, it must be replaced with the new BHM (A66-03086-000) with a 500k auto baud rate.
SB54-2782021-05-24. Service bulletin. Powernet Troubleshooting Guide: Batteries, Path, Alternator, and Starter
SB20-582021-05-24. Service bulletin. Early EPA07 QLD Radiator Replacement. As part of the changes made for early production EPA07 engines, the transmission oil cooler was moved into the radiator, and transmission oil cooler lines equipped with Gates Quick-Detach (QLD) connectors were fitted.
SB09-372021-05-24. Service bulletin. Air Cleaner Modifications for Dusty Environments, 108SD/ 114SD and Business Class M2.
WSTCAE180-20202021-05-18. Service bulletin. Portland Truck Plant Paint Changes
WSTCAE177-20202021-05-18. Service bulletin. Meritor Transfer Case Updates