Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 449 bulletins for ALLISON
TT7473EN
Apr 25, 2014
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Tech Tip concerning Freightliner Chassis Power Distribution Module (PDM) Electrical System Failures
TT7478EN
Apr 25, 2014
060000 ENGINE (PWS)
Tech Tip concerning Navistar Required 5th Gen Transmission Control Module (TCM) Reprogram to address a low power/poor performance concern
2014FA01
Apr 23, 2014
100000 POWER TRAIN
Customer Field Action regarding Concern with Transmission Control Module (TCM) Calibrations. Allison Transmission Inc. will reprogram the TCM without charge
ST 1898 Rev B
Apr 11, 2014
100000 POWER TRAIN
Service Tip regarding Water and/or Ethylene Glycol in Transmission Fluid. The analysis of the fluid sample (by the fluid supplier or any qualified laboratory) will provide the degree of contamination and possible clue of its source
TT7400EN Rev A
Apr 7, 2014
060000 ENGINE (PWS)
Tech Tip concerning Vehicle Acceleration Control on Freightliner Vehicles
FA-2014FA01
Apr 1, 2014
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
ALLISON TRANSMISSION: ON CERTAIN BUSES, THE TRANSMISSION CONTROL MODULE (TCM) CALIBRATIONS WOULD NEED TO BE REPROGRAM DUE TO AUTO NEUTRAL FUNCTION BEING ACTIVE WHEN GEAR INDICATES 1ST RANGE AND SPEED OF ENGINE IS ELEVATED. MODEL 2013-14 A
IS354
Apr 1, 2014
100000 POWER TRAIN
Instruction sheet regarding Adhesive-Coated Bolts for Flexplate Adapter for one time use anytime a transmission is reinstalled into a vehicle
IS353
Mar 19, 2014
100000 POWER TRAIN
Announces release of Rear Housing Repair Kit to aid in the repair of damaged bolt hole threads
TT7437EN
Feb 4, 2014
060000 ENGINE (PWS)
Tech Tip concerning Kenworth Vehicle Configuration May Allow the Engine to Start in Range
2013FA03 Rev A
Jan 20, 2014
100000 POWER TRAIN
Customer service campaign related to Transmission Shift Valve Trim Spring Failures in Refuse, School Bus and Shuttle Bus vocations
ST 0414
Jan 13, 2014
100000 POWER TRAIN
Service Tip regarding Procedure to Clear DTC P0897 If Prognostics Features Disabled with 4th Generation Controls
TT7401EN Rev A
Nov 25, 2013
060000 ENGINE (PWS)
Tech Tip concerning 2013 Cummins ISX12 Causing DTC P2641 in Low Reverse with 5th Generation 4700/4800 Transmission. This update became available November 13, 2013
TT7416EN
Nov 13, 2013
060000 ENGINE (PWS)
Tech Tip concerning recall by Kenworth and Peterbilt Vehicle Configuration Allows the Engine to Start in Range
ST 1099 Rev S
Nov 5, 2013
100000 POWER TRAIN
Service Tip regarding Transmission Fluid/Filter Change Recommendations ? TC10 Transmission Release
2012FA06B Rev B
Oct 23, 2013
100000 POWER TRAIN
Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.
TT6077 Rev B
Oct 18, 2013
060000 ENGINE (PWS)
Tech tip regarding improper driveline angle or engine misfires caused by malfunctioning injectors that can affect the P2 carrier assembly.
TT7400EN
Oct 10, 2013
060000 ENGINE (PWS)
Tech Tip concerning Vehicle Acceleration Control on Freightliner Vehicles
2012FA02 Rev A
Oct 8, 2013
100000 POWER TRAIN
Customer satisfaction campaign related to Shift Valve Trim Springs
2013FA03
Oct 8, 2013
100000 POWER TRAIN
Customer service campaign related to Transmission Shift Valve Trim Spring Failures in Refuse, School Bus and Shuttle Bus vocations
2012FA06A Rev B
Oct 7, 2013
100000 POWER TRAIN
Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.
TT7401EN
Oct 7, 2013
060000 ENGINE (PWS)
Tech Tip concerning 2013 Cummins ISX12 Causing DTC P2641 in Low Reverse with 5th Generation 4700/4800 Transmission
TT7399EN
Oct 2, 2013
100000 POWER TRAIN
Tech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth
2012FA03 Rev C
Sep 4, 2013
100000 POWER TRAIN
Announces program to remove and replace some Dual Power Inverter Modules (DPIM2) with part ordering instructions.
ST 1707 Rev C
Aug 29, 2013
060000 ENGINE (PWS)
Service Tip regarding Troubleshooting Techniques for Low Power Complaints with Cummins ISB/ISL Engine