ALLISON 1000, 2000 & 24000 Transmission Fault Codes DTC

Service technicians have no problem recognising breakdowns and carrying out machine diagnostics, ALLISON 1000, 2000 & 24000 Transmission Fault Codes DTC, plus they are familiar with equipment from a variety of manufacturers.

Allison Transmission is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors including bus, refuse, fire, construction, distribution, military, and specialty applications. With headquarters in Indianapolis, Indiana, Allison Transmission has regional offices all over the world and manufacturing facilities in Indianapolis, Chennai, India, and Szentgotthárd, Hungary.

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

The diagnosis tool ALLISON 1000, 2000 & 24000 Transmission Fault Codes DTC for trucks provides different possibilities such as information on the use and location of the connectors, detection and description of errors, activation of the fan, compression test and other components, system data information and more.