What makes an Allison transmission slip?
Excessive heat leads to slipping. If this occurs in hot weather, install a cooler to prevent it. These are generally affordable, easy to find and install. Your transmission may enter the limp mode while you are pulling something heavy (especially with a steep incline).
How do I reset my Allison push button transmission?
Note that the Transmission Health Monitor can only be reset using the Allison DOC software after a clutch system issue has been corrected. For either a pushbutton or bump lever shift selector, press and hold the Mode button for approximately 10 seconds while you are still in the Oil Life Monitor mode.
Are there any problems with the Allison Transmission?
Allison transmissions are custom-designed for several different industries and provide valuable power and work. However, even these revolutionary pieces of equipment can have problems. Do you know how to identify and deal with an issue that may arise with your Allison transmission?
Is there a transmission problem in a 2004 Chevy?
Problem recurred and was reported to dealer in October 2004, and dealer indicated it was normal as per bulletin 1430424. At this time, service manager provided bulletin 1538220 which stated that problem was corrected in transmission built after February 2004.
Where is the Transmission Control Module on an Allison truck?
Not a connector itself. nsbu, is known to fail especially if you drive the truck in the winter, they are like 60 dollars at the allison shop and if you look through the part numbers they make a protective shield to go over them now A nother thing to check is the tcm (transmission control module) located under hood right by ecm.
What causes a 2004 Chevy Silverado to not shift?
Failure of the neutral position safety switch, 2004 chev Silverado diesel with allison transmission. The safety switch shorts out and fails due to wet driving conditions. This failure results in the transmission going into a “fail safe” condition that does not allow the transmission to shift, stranding the vehicle.