U0404 INVALID DATA RECEIVED FROM GEAR SHIFT MODULE (SHIFT SELECTOR) 1
04:15 PM 02/11/2022
Circuit Description
In Allison 4/5th Generation Controls, the Transmission Control Module (TCM) communicates with the shift selector over the J1939 Controller Area Network (CAN). Allison J1939 shift selectors broadcast proprietary messages to the TCM related to range selection and other operating modes.
Conditions for Running the DTC
Battery voltage is greater than 9 Volts
Engine speed ..
U0592 INVALID DATA RECEIVED FROM GEAR SHIFT MODULE (SHIFT SELECTOR) 2
11:57 AM 08/11/2022
Circuit Description
In Allison 4/5th Generation Controls, the Transmission Control Module (TCM) communicates with the shift selector over the J1939 Controller Area Network (CAN). Allison J1939 shift selectors broadcast proprietary messages to the TCM related to range selection and other operating modes.
Conditions for Running the DTC
Battery voltage is greater than 9 volts
Engine speed is within a ..
DTC P0726 P0727 ENGINE SPEED SENSOR CIRCUIT PERFORMANCE_NO SIGNAL
10:07 AM 14/12/2022
DTC P0727 Engine Speed Sensor Circuit No Signal
DTC P0726 Engine Speed Sensor Circuit Performance
Using ALLISON DOC Software, measure ignition voltage; 9-18V (12V TCM), 18-32V (24V TCM), Is voltage within specified values? If NO, resolve voltage problems refer to DTC P0882 and P0883.
- Disconnect the 80-way connector at the TCM, measure resistance between ..
DTC P0721 P0722 OUTPUT SPEED SENSOR CIRCUIT PERFORMANCE_NO SIGNAL
10:21 AM 14/12/2022
DTC P0722 Output Speed Sensor Circuit No Signal
DTC P0721 Output Speed Sensor Circuit Performance
Using ALLISON DOC Software, measure ignition voltage; 9-18V (12V TCM), 18-32V (24V TCM), Is voltage within specified values? If NO, resolve voltage problems refer to DTC P0882 and P0883.
- Disconnect the 80-way connector at the TCM, measure resistance ..
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