Allison

Allison 1000 & 2000 Gen 5 Fault Code:P0964 Pres...

CIRCUIT DESCRIPTION:PCS2 is a Pressure Proportional to Current (PPC) solenoid used to control oncoming and off-going and holding pressure to any one of five clutches. The TCM sends control current...

Allison 1000 & 2000 Gen 5 Fault Code:P0963 Main...

CIRCUIT DESCRIPTION:Pressure Control Solenoid (MAIN MOD) is a Normally Closed (N/C) solenoid used to modulate the transmission main pressure schedule. The TCM commands the solenoid ON when specific transmission and...

Allison 1000 & 2000 Gen 5 Fault Code:P0962 Main...

CIRCUIT DESCRIPTION:Pressure Control Solenoid (MAIN MOD) is a Normally Closed (N/C) solenoid used to modulate the transmission main pressure schedule. The TCM commands the solenoid ON when specific transmission and...

Allison 1000 & 2000 Gen 5 Fault Code:P0961 Main...

CIRCUIT DESCRIPTION:Main Pressure Modulation Solenoid is a normally closed solenoid that regulates main pressure to allow for decreased engine loading. The intent of this code is to ensure that the...

Allison 1000 & 2000 Gen 5 Fault Code:P0960 Main...

CIRCUIT DESCRIPTION:Pressure Control Solenoid (MAIN MOD) is a Normally Closed (N/C) solenoid used to modulate the transmission main pressure schedule. The TCM commands the solenoid ON when specific transmission and...

Allison 1000 & 2000 Gen 5 Fault Code:P0897 Tran...

CIRCUIT DESCRIPTION:Oil Life Monitor (OM) is a part of OEM 5th Generation Prognostics functionality. When enabled in the TCM, prognostic logic determines vehicle duty cycles based on shifts per mile,...