13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0726 Engine Speed Sensor Circuit – Performance CIRCUIT DESCRIPTION:The speed sensors are variable reluctance devices which convert mechanical motion to an AC voltage. Each sensor consists of...
13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0727 Engine Speed Sensor Circuit – No Signal CIRCUIT DESCRIPTION:The speed sensors are variable reluctance devices which convert mechanical motion to an AC voltage. Each sensor consists of...
13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0729 Incorrect 6th Gear Ratio CIRCUIT DESCRIPTION:The TCM uses input from the turbine speed and the output speed sensors to determine the current commanded steady...
13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0731 Incorrect 1st Gear Ratio CIRCUIT DESCRIPTION:The TCM uses input from the turbine speed and the output speed sensors to determine gear ratios. The TCM...
13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0732 Incorrect 2nd Gear Ratio CIRCUIT DESCRIPTION:The TCM uses input from the turbine speed and the output speed sensors to determine gear ratios. The TCM...
13 March, 2025 Allison 1000 & 2000 Gen 5 Fault Code:P0733 Incorrect 3rd Gear Ratio CIRCUIT DESCRIPTION:The TCM uses input from the turbine speed and the output speed sensors to determine gear ratios. The TCM...