Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 449 bulletins for ALLISON
TT6077EN Rev A
Aug 14, 2013
060000 ENGINE (PWS)
Tech tip regarding improper driveline angle or engine misfires caused by malfunctioning injectors that can affect the P2 carrier assembly.
2012FA03 Rev B
Jul 16, 2013
100000 POWER TRAIN
Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.
2012FA03
Jul 1, 2013
100000 POWER TRAIN
ALLISON TRANSMISSION 'THIS TSB CONTAINS AN OWNERS NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. AT NO COST TO CUSTOMERS, THE DUAL POWER INVERTER MODULES WILL BE REMOVED AND REPLACE. *MA UPDATED 01/06/2016. *MA UPDATED 02/02/20
2012FA06B Rev A
May 1, 2013
100000 POWER TRAIN
Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.
2012FA06C Rev A
May 1, 2013
100000 POWER TRAIN
Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.
2012FA06D
May 1, 2013
100000 POWER TRAIN
ALLISON TRANSMISSION ESTABLISHED THAT A HIGHER C5 PRESSURE PUT WITH THE 2010 UPRATE CONTROL MAY CAUSE FRICTION MATERIAL OVER TIME ON THE C5 CLUTCH PLATE. *MA
SB-2012-FA-06A-B
May 1, 2013
101000 POWER TRAIN:CLUTCH ASSEMBLY
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-2012-FA-06B-A
May 1, 2013
101000 POWER TRAIN:CLUTCH ASSEMBLY
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
2012FA02
Jan 30, 2013
100000 POWER TRAIN
Customer satisfaction campaign related to Shift Valve Trim Springs
2012FA06A
Oct 26, 2012
100000 POWER TRAIN
Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.
2012FA06B
Oct 26, 2012
100000 POWER TRAIN
ALLISON TRANSMISSION RELEASED NEW CALIBRATION WITH LOWER C5 PRESSURE STRATEGY TO PREVENT FRICTION LOST ON THE C5 FRICTION PLATE WITH A HIGHER PRESSURE. *MA UPDATED 02/08/16 *MA
2012FA03 Rev A
Oct 25, 2012
100000 POWER TRAIN
Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.
2012FA06C
Oct 1, 2012
100000 POWER TRAIN
ALLISON TRANSMISSION NOTICE AN ISSUE ON THE C5 CLUTCH THAT A HIGHER PRESSURE STRATEGY MAY CAUSE FRICTION MATERIAL LOSS OVERTIME ON THE FRICTION PLATE. *MA
TT7252EN
Aug 22, 2012
100000 POWER TRAIN
Tech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth and Peterbilt
92717
Jul 4, 2012
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TT7248EN
Jul 2, 2012
100000 POWER TRAIN
Tech tip alerting service channel of Penske Truck Leasing program to have TCM reprogrammed from 5 speed to 6 speed calibration
TT7101EN
May 22, 2012
100000 POWER TRAIN
Tech Tip concerning potential leak or crack in the Torque Converter
TT7235EN
May 3, 2012
060000 ENGINE (PWS)
Tech tip related to engine calibration triggering DTC 65-25
2011FA07
Mar 2, 2012
100000 POWER TRAIN
Customer campaign related to suction filter angle on the 401 Pre-4th Generation H 40/50 EPTM equipped busses
ST 1099 Rev R
Feb 14, 2012
100000 POWER TRAIN
Service Tip regarding Transmission Fluid/Filter Change Recommendations
CS-2010FA01
Dec 1, 2010
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
ALLISON TRANSMISSION SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. DAIMLER BUSES NORTH AMERICA (80 TCMS INSTALLED INTO ORION BUSES OPERATING AT LONG ISLAND TRANSIT). THE CURRENT SENSE RESISTOR SOLDER JOINT MAY CRACK DUE T
FA-2009FA04
Oct 1, 2010
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
ALLISON TRANSMISSION SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE T-10 BEARING SURFACE ON MOTOR B ROTOR MAY NOT HAVE A FLAT SURFACE AND CAUSE THE T-10 BEARING TO FAIL. WHEN THE T-10 BEARING FAILS, DEBRIS CAN BE DISTR