Product Description
Fits: 2001-2010
An A1 shift valve kit for Allison 1000, 2000 and 2400 transmissions built 2001-2010, made by TransGo. It replaces the factory C, D and E shift valves with a new-design steel version to stop them from sticking in the valve body.
It addresses diagnostic codes P0841, P0842, P0846, P0847, P1710 and P1711 related to sticking shift valves and pressure switch or solenoid performance faults.