Is your Allison starting to act up and your vehicle is showing a check engine light? Odds are, you’ll need to pull the codes to see what’s going on.
How To Read Allison 1000 Transmission Codes
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Below you will see a complete list of common Allison 1000 diagnostic codes and their meanings.
Trouble Code | Description |
---|---|
P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance |
P0712 | Transmission Fluid Temperature Sensor Circuit Low Input |
P0713 | Transmission Fluid Temperature Sensor Circuit High Input |
P0714 | Transmission Fluid Temperature Sensor Circuit Intermittent |
P0715 | Input/Turbine Speed Sensor Circuit |
P0716 | Input/Turbine Speed Sensor Circuit Range/Performance |
P0717 | Input/Turbine Speed Sensor Circuit No Signal |
P0718 | Input/Turbine Speed Sensor Circuit Intermittent |
P0720 | Output Speed Sensor Circuit |
P0721 | Output Speed Sensor Circuit Range/Performance |
P0723 | Output Speed Sensor Circuit Intermittent |
P0729 | Gear 6 Incorrect Ratio |
P0730 | Incorrect Gear Ratio |
P0731 | Gear 1 Incorrect Ratio |
P0732 | Gear 2 Incorrect Ratio |
P0734 | Gear 4 Incorrect Ratio |
P0735 | Gear 5 Incorrect Ratio |
P0740 | Torque Converter Clutch Circuit Malfunction |
P0741 | Torque Converter Clutch Circuit |
P0742 | Torque Converter Clutch Circuit Stuck On |
P0744 | Torque Converter Clutch Circuit Intermittent |
P0748 | Pressure Control Solenoid ‘A’ Electrical |
P0750 | Shift Solenoid ‘A’ |
P0753 | Shift Solenoid ‘A’ Electrical |
P0755 | Shift Solenoid ‘B’ |
P0758 | Shift Solenoid ‘B’ Electrical |
P0767 | Shift Solenoid ‘D’ Stuck On |
P0850 | Park/Neutral Switch Input Circuit |
P0897 | Transmission Fluid Deteriorated |
P0973 | Shift Solenoid ‘A’ Control Circuit Low |
P0976 | Shift Solenoid ‘B’ Control Circuit Low |
P0977 | Shift Solenoid ‘B’ Control Circuit High |
P0979 | Shift Solenoid ‘C’ Control Circuit Low |
P0980 | Shift Solenoid ‘C’ Control Circuit High |
P0982 | Shift Solenoid ‘D’ Control Circuit Low |
P0983 | Shift Solenoid ‘D’ Control Circuit High |
P0984 | Shift Solenoid ‘E’ Control Circuit Range/Performance |