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Service bulletins for the 2015 Freightliner Cascadia

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.

837 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
sb26522019-04-08. Service bulletin. POWER TRAIN. DT12 PTO Upfit
sb2652 DT12 PTO2019-04-01. Service bulletin. POWER TRAIN. Service Bulletin DT12 PTO Upfit
sb26522019-04-01. Service bulletin. POWER TRAIN; EQUIPMENT. DT12 PTO Upfit
sb2652 DT12 PTO2019-04-01. Service bulletin. EQUIPMENT; POWER TRAIN. DT12 PTO Upfit
sb26522019-03-25. Service bulletin. POWER TRAIN. DT12 PTO Upfit
0109-192019-03-11. Service bulletin. POWER TRAIN. Service Information Bulletin- Input Shaft Pilot Bearing Measurement Specification
Detroit DT122019-03-11. Service bulletin. POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. Detroit DT12 Split Rod Bushing Repair letter to customer
SPN 191 13 and 82018-12-10. Service bulletin. POWER TRAIN. D12 Transmission issue communication on Cascadia
DOC-10336992018-12-10. Service bulletin. POWER TRAIN. TS 1033699: DT12 Transmission Driver Interview: Shifting Complaint Questionnaire
DOC-10334462018-12-10. Service bulletin. POWER TRAIN. Vehicles with Meritor drivelines bene from a softer durometer center bearing support. Vehicle will continue to have a 1st order driveline vibration after the driveline assembly was rebalanced.
DOC-10334462018-10-29. Service bulletin. POWER TRAIN. SS1033446 Driveline Support Bearing - Meritor Driveline
25-342018-06-25. Service bulletin. POWER TRAIN. 25-34 - Clutch-Related No-Start Diagnostics
33-282018-06-25. Service bulletin. POWER TRAIN. 33-28 - Bearing Spacer Replacement, ConMet PreSet Steer Hubs
35-302018-06-25. Service bulletin. POWER TRAIN. 35-30 - Bearing Spacer Replacement, ConMet PreSet Drive Hubs
sb26522018-06-18. Service bulletin. EQUIPMENT:MECHANICAL; EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION. DT12 PTO Upfit
0405-182018-06-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue
0402-182018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM. 0402-18 SPN 625 (CPC) (GHG14)
sb601592018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. sb60159 Shifter Adapter Plate for Replacement Cab or Cab FloorB
sb26522018-06-18. Service bulletin. ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION. sb2652 DT12 PTO UpfitB
15TS152018-06-11. Service bulletin. POWER TRAIN. 15TS15Rev Detroit? DT12? Transmission Proper Towing Procedure
sb35312018-06-11. Service bulletin. POWER TRAIN. sb3531 Differential Lubrication, Detroit Model 6 Axles
802-152018-06-11. Service bulletin. POWER TRAIN. 802-15 SPN 520970 FMI 7 (TCM)
801-152018-06-11. Service bulletin. POWER TRAIN. 801-15 SPN 520999 FMI 7 (TCM)
sb20742018-06-11. Service bulletin. POWER TRAIN. sb2074 Kysor Fan Clutch Rocking Runout Inspection
1104-172018-06-11. Service bulletin. POWER TRAIN. SPN 520960 (TCM)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.