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Service bulletin SPN 191 13 and 8

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 id10151575
Published by NHTSA2018-12-10
Manufacturer's numberSPN 191 13 and 8
Manufacturer's date2018-09-13
NHTSA componentPOWER TRAIN

NHTSA's summary

D12 Transmission issue communication on Cascadia

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
FREIGHTLINER CASCADIA2012, 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
20204882020-10-16. Powertrain
20V6420002020-10-16. POWER TRAIN:CLUTCH ASSEMBLY
20187142018-12-19. Powertrain
18V9030002018-12-19. POWER TRAIN:CLUTCH ASSEMBLY
20175692017-11-20. Powertrain
17V7300002017-11-17. POWER TRAIN:AUTOMATIC TRANSMISSION
17V3150002017-05-11. POWER TRAIN:AXLE ASSEMBLY
16V6340002016-08-31. POWER TRAIN:AXLE HUBS
15V6170002015-10-01. POWER TRAIN:MANUAL TRANSMISSION
14V2420002014-04-29. 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
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 9_24_NFD fill plug2024-10-04. Other. CX Advocate for NFD fill plugs
TSB35-039-FTL2024-09-07. Service bulletin. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
TSB35-039-FTL2024-08-02. Service bulletin. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated.
TSB35-042-FTL2024-06-05. Service bulletin. Technical Service Bulletin for New Final Drive Over Heat Diagnostic