John Deere 002824.02 – PTQ: Reverser Drive Lever Fault

The transmission control unit has detected an electrical problem with the signals received from the forward/reverse lever assembly. The signals are outside of expected tolerances, indicating a potential problem in the communication or operation of the lever's signal transmission. This is typically caused by an open circuit, a short circuit, or incorrect resistance within the lever's internal electrical contacts.

• 5080R
• 5090R
• 5100R
• 6130
• 6230
• 6330
• 6430
• 6530
• 6534
• 6630
• 6830
• 6930
• 6090MC
• 6090RC
• 6100MC
• 6100RC
• 6105M
• 6110M
• 6115M
• 6120M
• 6125M
• 6130M
• 6135M
• 6140M
• 6145M
• 6150M
• 6155M
• 6170M
• 6175M
• 6195M
• 7130
• 7230
• 7330

1. 1

   Move the reverser lever to the Neutral position and cycle the key switch (turn off and on) to see if the intermittent fault clears.

2. 2

   Check the tractor's display for other active diagnostic trouble codes that could indicate a broader power supply or ground issue.

3. 3

   Visually inspect the wiring harness and connector at the base of the left-hand reverser lever for chafing, corrosion, or breaks. Ensure locking tabs are securely fastened.

4. 4

   Test the neutral start circuit: Move range shift lever to neutral, reverser lever to forward/reverse, and start the engine. Wait 6-7 seconds for the 'N' indicator to light up. Depress clutch, engage any range, and release clutch; the tractor must not move.

1. 1

   Test harness power and ground

   With the key in the 'RUN' position, use a multimeter to verify the harness side of the lever connector is receiving correct voltage from the controller and has a solid ground connection.

2. 2

   Test switch continuity

   Disconnect the lever from the harness. Using a multimeter set to Ohms, test the pins on the lever side while actuating it through Forward, Neutral, and Reverse. Look for a change in state or specific resistance. Lack of continuity indicates a faulty internal switch.

3. 3

   Replace reverser lever assembly

   If diagnostic tests confirm an internal open or short in the reverser lever, replace the assembly with the correct part for your specific tractor model and serial number.

4. 4

   Recalibrate transmission

   After replacing the lever or reconnecting the battery, clear the fault codes and perform a transmission controller recalibration so the new sensor values are relearned.