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Allison 1000 ,2000 & 24000 Transmission Fault Codes

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DTC Description

Check

Trans

Light Page

 

P0121 Pedal Postion Sensor Performance Problem No 5-15

P0122 Pedal Postion Sensor Circuit Low Voltage No 5-16

P0123 Pedal Postion Sensor Circuit High Voltage No 5-19

P0218 Transmission Fluid Over Temperature No 5-22

P0562 System Voltage Low Yes 5-26

P0563 System Voltage High Yes 5-29

P0602 TCM Not Programmed Yes 5-33

P0606 Controller Internal Performance Yes 5-34

P0701 Transmission Control System Performance No 5-35

P0703 Brake Switch Circuit No 5-37

P0705 Transmission Range Sensor Circuit (PRNDL Input) No 5-41

P0706 Transmission Range Sensor Circuit Performance Yes 5-45

P0708 Transmission Range Sensor Circuit High Input Yes 5-49

P0710 Transmission Fluid Temperature Sensor Malfunction No 5-53

P0711 Transmission Fluid Temperature Sensor Circuit Performance Yes 5-57

P0712 Transmission Fluid Temperature Sensor Circuit Low Input (High Temperature) Yes 5-61

P0713 Transmission Fluid Temperature Sensor Circuit Low Input (Low Temperature) Yes 5-65

P0716 Turbine Speed Sensor Circuit Performance Yes 5-69

P0717 Turbine Speed Sensor Circuit No Signal Yes 5-73

P0721 Output Speed Sensor Circuit Performance Yes 5-77

P0722 Output Speed Sensor Circuit No Signal Yes 5-81

P0726 Engine Speed Input Circuit Performance Yes 5-85

P0727 Engine Speed Sensor Circuit No Signal Yes 5-89

P0731 Incorrect 1st Gear Ratio Yes 5-93

P0732 Incorrect 2nd Gear Ratio Yes 5-97

P0733 Incorrect 3rd Gear Ratio Yes 5-101

P0734 Incorrect 4th Gear Ratio Yes 5-105

P0735 Incorrect 5th Gear Ratio Yes 5-109

P0736 Incorrect Reverse Ratio Yes 5-113

P0741 Torque Converter Clutch System Stuck Off Yes 5-117

P0742 Torque Converter Clutch System Stuck On Yes 5-120

P0748 Pressure Control Solenoid A Electrical Yes 5-123

P0763 Shift Solenoid C Electrical Yes 5-127

P0768 Shift Solenoid D Electrical Yes 5-131

P0773 Shift Solenoid E Electrical Yes 5-135

P0778 Pressure Control Solenoid B Electrical Yes 5-139

P0840 Transmission Pressure Switch Solenoid C Circuit Yes 5-143

P0841 Transmission Pressure Switch Solenoid C Circuit Stuck Open Yes 5-147


P0842 Transmission Pressure Switch Solenoid C Circuit Stuck Closed Yes 5-151

P0843 Transmission Pressure Switch Solenoid C Circuit High Yes 5-155

P0845 Transmission Pressure Switch Solenoid D Circuit Yes 5-159

P0846 Transmission Pressure Switch Solenoid D Circuit Yes 5-163

P0847 Transmission Pressure Swtich Solenoid D Circuit Yes 5-167

P0848 Transmission Pressure Switch Solenoid D Circuit Yes 5-171

P1688 Unmanaged Engine Torque Delivered to TCM Yes 5-175

P1709 Transmission Pressure Switch Solenoid E Circuit Yes 5-177

P1710 Transmission Pressure Switch Solenoid E Circuit Stuck Open Yes 5-181

P1711 Transmission Pressure Switch Solenoid E Circuit Stuck Closed Yes 5-185

P1712 Transmission Pressure Switch Solenoid E Circuit High Yes 5-189

P1713 Transmission Pressure Switch Reverse Circuit Yes 5-193

P1714 Transmission Pressure Switch Reverse Circuit Stuck On Yes 5-197

P1716 Transmission Pressure Switch Reverse Circuit High no 5-201

P1718 Incorrect Neutral Gear Ration No 5-205

P1720 Solenoid A Controlled Clutch Not Engaged Yes 5-209

P1721 Solenoid B Controlled Clutch Not Engaged Yes 5-213

P1723 Solenoid A Controlled Clutch Engaged Yes 5-217

P1724 Solenoid B Controlled Clutch Engaged Yes 5-221

P1726 Shift Solenoid D Controlled Clutch Engaged No 5-225

P1727 Shift Controlled E Clutch Engaged No 5-229

P1760 TCM Supply Voltage No 5-233

P1779 Engine Torque Delivered To ECM Yes 5-236

P1835 Kickdown Circuit Yes 5-238

P1860 Torque Converter Clutch PWM Solenoid Circuit --Electrical Yes 5-241

P1875 4WD Low Switch Circuit Yes 5-245

P1891 Throttle Postion Sensor Pulse Width Modulation (PWM) Signal Low Input No 5-249

P1892 Throttle Postion Sensor Pulse Width Modulation (PWM) Signal High Input No 5-252

U1000 Serial Data Communication Link Malfunction (Class2) No* 5-255

U1016 Class 2 Powertrain Controller State of Health Failure No* 5-258

U1041 Class 2 ABS Controller State of Health Failure No* 5-261

U1064 Class 2 TBC Controller State of Health Failure No* 5-264

U1096 Class 2 IPC Controller State of Health Failure No* 5-267

U1300 Serial Data Communication Link Low (Class2) No 5-270

U1301 Serial Data Communication Link High (Class2) No 5-273

U2104 Can Bus Rest Counter Overrun Yes 5-276

U2105 Can Bus Error ECM Yes 5-279