Allison

Allison 1000 & 2000 Gen 5 Fault Code:P097C Shif...

CIRCUIT DESCRIPTION:SS3 is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 3 (SV3) to attain a particular range needed for the next upshift or...

Allison 1000 & 2000 Gen 5 Fault Code:P097B Shif...

CIRCUIT DESCRIPTION:Shift Solenoid 2 (SS2) is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 2 (SV2) to attain a particular range needed for the...

Allison 1000 & 2000 Gen 5 Fault Code:P097A Shif...

CIRCUIT DESCRIPTION:SS1 is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 1 (SV1) to attain a particular range needed for the next upshift or...

Allison 1000 & 2000 Gen 5 Fault Code:P0979 Shif...

CIRCUIT DESCRIPTION:SS3 is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 3 (SV3) to attain a particular range needed for the next upshift or...

Allison 1000 & 2000 Gen 5 Fault Code:P0732 Inco...

CIRCUIT DESCRIPTION:The TCM uses input from the turbine speed and the output speed sensors to determine gear ratios. The TCM then compares the known gear ratio to the calculated gear...

Allison 1000 & 2000 Gen 5 Fault Code:P0706 Tran...

CIRCUIT DESCRIPTION:An Internal Mode Switch (IMS) is used by the TCM to detect the angular position of the shift selector shaft. There are five internal switches in the IMS: A,...