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Service bulletin sb2652

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 id10141722
Published by NHTSA2018-06-18
Manufacturer's numbersb2652
Manufacturer's date2018-02-26
NHTSA componentELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

sb2652 DT12 PTO UpfitB

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, Automatic transmission, Wiring and fuses

Vehicles listed
FREIGHTLINER CASCADIA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
17V7300002017-11-17. POWER TRAIN:AUTOMATIC TRANSMISSION
13V6270002013-12-17. ELECTRICAL SYSTEM:WIRING; PARKING BRAKE; SUSPENSION:MULTIPLE AXLE

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
TechTalk76922020-11-03. Service bulletin. Tech Talk discussion for wiring a solenoid and switch for a 2016 Cascadia with PTO on a DT12 transmission.
CALHIGHCURRENT2020-03-03. Service bulletin. Customer Advisory Letter that an inspection to determine if the high current breaker has been bypassed.
17TS-12REV2020-01-03. Service bulletin. Technical Service Letter for GHG17 Heavy Duty Engine Platform 1-BOX Aftertreatment System (ATS) Wire Harness experiencing chaffing caused by vibration and dirt collecting in the harness conduit.
ICI19-030 SF5782019-08-05. Service bulletin. SF578 - Revised Bulletin
SF5782019-08-05. Service bulletin. Forward Chassis Wiring Harness
sb601632019-04-08. Service bulletin. Adding Floor Support for Vehicles with Automatic or Automated Transmissions
0702-172019-04-01. Service bulletin. Diagnostics
0703-172019-04-01. Service bulletin. Diagnostics
0704-172019-04-01. Service bulletin. Diagnostics
0705-172019-04-01. Service bulletin. Diagnostics