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Home >> Ford >> 2019 >> Fiesta ST >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission, Transfer Case And Power Transfer Unit - 6-Speed POWERSHIFT Transmission - DPS6/6DCT250 >> Diagnosis And Testing >> Automatic Transmission, Transfer Case and Power Transfer Unit >> Pinpoint Test(s) >> Pinpoint Test E : Transmission Range Sensor Fault >> Notes
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Pinpoint Test E : Transmission Range Sensor Fault: Notes

Refer to Transmission Controls for schematic and connector information.

Normal Operation and Fault Conditions 

The TR sensor monitors the position of the manual control lever shaft. The TR sensor is mounted on the transmission. The TR sensor allows the vehicle to start in PARK and NEUTRAL. The TR sensor output signal is linear over the measurement range and the TCM receives this signal verifying the selector lever position.

The TR sensor inputs are used for selector lever position starter inhibit relay reversing lamps.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
P0706 Transmission Range Sensor A Circuit Range/Performance TR sensor A frequency out of range (200-300 Hz). DTC does not set for circuits that are open, shorted to ground or shorted to power.
P0707 Transmission Range Sensor A Circuit Low TR sensor A duty cycle out of range low, below park minimum duty cycle.
P0708 Transmission Range Sensor A Circuit High TR sensor A duty cycle out of range high, below low maximum duty cycle.
P0709 Transmission Range Sensor A Circuit Intermittent TR sensor intermittent park or neutral signal during pre-crank test.
P2801 Transmission Range Sensor B Circuit Range/Performance TR sensor B frequency out of range (200-300 Hz). DTC does not set for circuits that are open, shorted to ground or shorted to power.
P2802 Transmission Range Sensor B Circuit Low TR sensor B duty cycle out of range low, below low minimum duty cycle.
P2803 Transmission Range Sensor B Circuit High TR sensor B duty cycle out of range high, below park maximum duty cycle.
P2804 Transmission Range Sensor B Circuit Intermittent This DTC sets with P2801, P2802 and/or P2803. Used to light the wrench light.
P2805 Transmission Range Sensor A / B Correlation TR sensor A and B sum must be 100 +/- 2x sensor tolerance. If both sensors are in-range and no other DTCs are set, but the sum fails to add up to 100%, this DTC sets.

Possible Sources 

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