10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P097B Shift Solenoid 2 (SS2) Control Circuit – Open CIRCUIT DESCRIPTION:Shift Solenoid 2 (SS2) is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P097C Shift Solenoid 3 (SS3) Control Circuit – Open CIRCUIT DESCRIPTION:SS3 is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 3 (SV3) to...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0980 Shift Solenoid 3 (SS3) Control Circuit – High CIRCUIT DESCRIPTION:SS3 is a Normally Closed (N/C) solenoid that provides control main pressure to stroke Shift Valve 3 (SV3) to...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P1790 Gear Shift Module 1 Calibration Invalid CIRCUIT DESCRIPTION:This DTC sets if the TCM determines the primary shift selector calibration is invalid. ACTION TAKEN WHEN THE DTC...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P1891 Throttle Position Sensor (TPS) PWM Signal – Low Input CIRCUIT DESCRIPTION:The TCM can be calibrated to receive throttle information from a PWM signal. DTC P1891 sets when the TCM...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P1892 Throttle Position Sensor (TPS) PWM Signal – High Input CIRCUIT DESCRIPTION:The TCM can be calibrated to receive throttle information from a Pulse Width Modulated (PWM) signal. DTC P1891 sets...