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7A1–50 TRANSMISSION CONTROL SYSTEM (4L30–E) DTC P0723 Transmission Output Speed Sensor (OSS) Intermittent D07RW006 Circuit Description Output speed information is provided to the PCM by the Conditions For Setting The DTC In Park or Neutral: D Transmission output speed change is greater than D Conditions met for 6 seconds. D Engine running time is greater than 2 seconds. Not in Park or Neutral: D Transmission output speed change is greater than D Conditions met for 0.075 seconds D Engine running time is greater than 2 seconds. D Engine vacuum is less than 70 kPa. D Output speed is greater than 1,380 rpm for 1 second. D NORAW–NOLAST < 60 rpm for 6 seconds. NORAW: Latest raw data of output shaft speed. NOLAST: Filtered pervious data of output speed. Action Taken When The DTC Sets D Fixed to 4th gear. D Maximum line pressure. D Inhibit TCC engagement. D The PCM will illuminate the CHECK TRANS Lamp. Conditions For Clearing The DTC/CHECK D The PCM will turn off the CHECK TRANS Lamp after D The DTC can be cleared from the PCM history by D The DTC will be cleared from history when the vehicle D The PCM will cancel the DTC default actions when Diagnostic Aids D A OSS DTC P0723 will set when output speed has D Inspect the wiring for poor electrical connection at the D When diagnosing for a possible intermittent short or Test Description The numbers below refer to the step numbers on the PCM. |