P0722

DTC P0722 - OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT NO SIGNAL
Conditions for Setting the DTC
- The Transmission Control Module (TCM) cannot detect a pulse from the Output Shaft Speed (OSS) sensor while it detects 10 pulses of the Input Shaft Speed (ISS) sensor signal 500 times continuously.
- ISS sensor signal is greater than 4 Km/h (2 mph).
- 10 seconds after Neutral to Drive shift.
- 2.5 seconds after Neutral to Drive shift and ATF temperature is greater than 0°C.
- OSS sensor signal is greater than 66 Km/h (41 mph) 2.5 seconds after Neutral to Drive shift.
- No Transmission Range (TR) sensor Diagnostic Trouble Code (DTC) P0705.
- No Transmission Fluid Temperature (TFT) sensor DTC P0712 or P0713.

Action Taken When the DTC Sets
- The TCM illuminates the Malfunction Indicator Lamp (MIL) after two consecutive trips with a failure reported.
- The TCM selects ISS signal for vehicle speed.
- No Torque Converter Clutch (TCC) lockup control.
- No torque converter reduction control.
- No line pressure reduction control.

Conditions for Clearing the MIL/DTC
- The TCM turns off the MIL after three consecutive trips without a failure reported.
- The Scan-100 scan tool can clear the DTC from the TCM history.
- The TCM clears the DTC from the TCM history if it detects that the OSS signal is greater than 10 Km/h for 30 seconds continuously.








DTC P0722 - Output Shaft Speed (OSS) Sensor Circuit No Signal