John Deere 000752.04 – PTR: Power Shuttle Sensor Voltage Out Of Range Low

The PowrReverser Transmission (PTR) control unit has detected that the voltage from the power shuttle sensor (also referred to as the shuttle manual sensitivity adjustment dial) is below the acceptable minimum threshold. This indicates a problem with the electrical signal or connection that communicates the position of the shuttle lever, which controls the forward, neutral, and reverse states of the transmission.

• 6100D
• 6110D
• 6115D
• 6125D
• 6130D
• 6140D

1. 1

   Restart the tractor by cycling the ignition key off and on to see if a transient electrical issue clears

2. 2

   Inspect the PTR Controller Switched Power Fuse (F20 - 10A) and Unswitched Power Fuse (F22 - 10A)

3. 3

   Visually inspect the wiring harness and connectors leading to the PowrReverser lever assembly for chafing, cuts, corrosion, moisture, or debris

4. 4

   Verify the neutral start system is functioning correctly (the tractor should only start when the lever is in NEUTRAL)

5. 5

   Check the diagnostic display for other active codes, such as PTR 3509.4 (Sensor Supply Voltage Low), which could indicate a broader electrical issue

1. 1

   Locate component

   Locate the Power Shuttle Sensor, which is integral to the PowrReverser lever assembly on the steering column.

2. 2

   Test sensor voltage

   Using a multimeter, back-probe the connector to measure the supply voltage. Then measure the signal voltage returned as the lever is moved between Forward, Neutral, and Reverse. The expected voltage range is between 0.5 and 4.5 volts.

3. 3

   Trace circuits

   If the supply voltage is low, trace the circuit back towards the PTR control unit using electrical schematics to check for opens or shorts in the wiring harness.

4. 4

   Replace sensor assembly

   If the wiring is intact and the sensor is receiving proper supply voltage but not producing the correct signal voltage (0.5 - 4.5V), replace the component containing the sensor (Range Shifting Quadrant).