Allison 3000 & 4000 Gen 4 Fault Code: P0727 Engine Speed Sensor Circuit No Signal
Allison 3000 & 4000 Gen 4 Fault Code: P0729 Incorrect 6th Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0731 Incorrect 1st Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0732 Incorrect 2nd Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0733 Incorrect 3rd Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0734 Incorrect 4th Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0735 Incorrect 5th Gear Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0736 Incorrect Reverse Ratio
Allison 3000 & 4000 Gen 4 Fault Code: P0741 Torque Converter Clutch (TCC) System Stuck Off
Allison 3000 & 4000 Gen 4 Fault Code: P0752 Shift Solenoid 1 (SS1) Valve Performance Stuck On (C1 Latch Valve Stuck)