10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2637 Torque Management Feedback Signal – SEM CIRCUIT DESCRIPTION:SEM allows the TCM to request torque reduction from the engine controller. By reducing torque, shifts can be made...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2641 Torque Management Feedback Signal – LRTP CIRCUIT DESCRIPTION:LRTP protects the transmission during low vehicle speed conditions. When an engine torque rating exceeds a predetermined value, LRTP...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2669 Actuator Supply Voltage 2 Open CIRCUIT DESCRIPTION:HSD2 supplies battery voltage to PCS2, SS1, SS2, SS3 via wire 171. HSD2 is continuously on during normal operation...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2670 Actuator Supply Voltage 2 (HSD2) – Low CIRCUIT DESCRIPTION:HSD2 supplies battery voltage to PCS2, SS1, SS2, SS3 via wire 171. HSD2 is continuously on during normal operation...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2671 Actuator Supply Voltage 2 (HSD2) – High (Batt) CIRCUIT DESCRIPTION:HSD2 supplies battery voltage to PCS2, SS1, SS2, SS3 via wire 171. HSD2 is continuously on during normal operation...
10 maart, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P2684 Actuator Supply Circuit Voltage 3 Open (HSD3) CIRCUIT DESCRIPTION:HSD3 supplies battery voltage to PCS3 via wire 131. HSD3 is continuously on during normal operation except during brief...