Allison Transmission shift selector Operation Manual page 20

DIAGNOSTIC CODE
CODE DESCRIPTION
P0796 PRESSURE CONTROL SOLENOID (PCS) 3 STUCK OFF
P0797 PRESSURE CONTROL SOLENOID (PCS) 3 STUCK ON
P07D9 INCORRECT 8TH GEAR RATIO
P07F6 INCORRECT 9TH GEAR RATIO
P07F7 INCORRECT 10TH GEAR RATIO
P081B CRANK ENABLE CIRCUIT HIGH
P0837 FOUR WHEEL DRIVE (4WD) SWITCH CIRCUIT RANGE/PERFORMANCE
P083C TRANSMISSION FLUID PRESSURE SWITCH 6 CIRCUIT LOW
P083C TRANSMISSION FLUID PRESSURE SWITCH 6 CIRCUIT LOW
P083D TRANSMISSION FLUID PRESSURE SWITCH 6 CIRCUIT HIGH
P083D TRANSMISSION FLUID PRESSURE SWITCH 6 CIRCUIT HIGH
P0842 TRANSMISSION FLUID PRESSURE SWITCH 1 CIRCUIT LOW
P0843 TRANSMISSION FLUID PRESSURE SWITCH 1 CIRCUIT HIGH
P0847 TRANSMISSION FLUID PRESSURE SWITCH 2 CIRCUIT LOW
P0848 TRANSMISSION FLUID PRESSURE SWITCH 2 CIRCUIT HIGH
P084C TRANSMISSION FLUID PRESSURE SWITCH TCC CIRCUIT LOW
P084D TRANSMISSION FLUID PRESSURE SWITCH TCC CIRCUIT HIGH
P0872 TRANSMISSION FLUID PRESSURE SWITCH 3 CIRCUIT LOW
P0873 TRANSMISSION FLUID PRESSURE SWITCH 3 CIRCUIT HIGH
P0877 TRANSMISSION FLUID PRESSURE SWITCH 4 CIRCUIT LOW
P0878 TRANSMISSION FLUID PRESSURE SWITCH 4 CIRCUIT HIGH
P0880 TCM POWER INPUT SIGNAL
P0881 TCM POWER INPUT SIGNAL PERFORMANCE
P0882 TCM POWER INPUT SIGNAL LOW
P0883 TCM POWER INPUT SIGNAL HIGH
P088A TRANSMISSION FILTER MAINTENANCE ALERT
P088B TRANSMISSION FILTER MAINTENANCE REQUIRED
P0894 UNEXPECTED MECHANICAL GEAR DISENGAGEMENT
P0897 TRANSMISSION FLUID DETERIORATED
P0960 MAIN PRESSURE MODULATION SOLENOID CONTROL CIRCUIT OPEN
P0961 MAIN PRESSURE MODULATION SOLENOID SYSTEM PERFORMANCE
P0962 MAIN PRESSURE MODULATION SOLENOID CONTROL CIRCUIT LOW
P0963 MAIN PRESSURE MODULATION SOLENOID CONTROL CIRCUIT HIGH
P0964 PRESSURE CONTROL SOLENOID (PCS) 2 CONTROL CIRCUIT OPEN
P0966 PRESSURE CONTROL SOLENOID (PCS) 2 CONTROL CIRCUIT LOW
P0967 PRESSURE CONTROL SOLENOID (PCS) 2 CONTROL CIRCUIT HIGH
P0968 PRESSURE CONTROL SOLENOID (PCS) 3 CONTROL CIRCUIT OPEN
P0970 PRESSURE CONTROL SOLENOID (PCS) 3 CONTROL CIRCUIT LOW
P0971 PRESSURE CONTROL SOLENOID (PCS) 3 CONTROL CIRCUIT HIGH
P0973 SHIFT SOLENOID 1 CONTROL CIRCUIT LOW
P0974 SHIFT SOLENOID 1 CONTROL CIRCUIT HIGH
P0976 SHIFT SOLENOID 2 CONTROL CIRCUIT LOW
P0977 SHIFT SOLENOID 2 CONTROL CIRCUIT HIGH
P0979 SHIFT SOLENOID 3 CONTROL CIRCUIT LOW
P097A SHIFT SOLENOID 1 CONTROL CIRCUIT OPEN
P097B SHIFT SOLENOID 2 CONTROL CIRCUIT OPEN
P097C SHIFT SOLENOID 3 CONTROL CIRCUIT OPEN
P0980 SHIFT SOLENOID 3 CONTROL CIRCUIT HIGH
P0989 RETARDER PRESSURE SENSOR CIRCUIT LOW
P0990 RETARDER PRESSURE SENSOR CIRCUIT HIGH
P0994 TRANSMISSION FLUID PRESSURE SWITCH 5 CIRCUIT LOW
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