Fendt 00.1.72 – Instrument Cluster / Control Panel ECU (A007, A036, or A037): A036 / A037 - Control panel, dashboard left (or right/comfort actuation depending on the exact cab configuration). ESC button.

The system detects that the ESC button is non-operable. This typically means the button is physically stuck, the internal switch contacts have failed, or there is an open/short circuit in the wiring connecting the button to the instrument cluster.

• 922 Vario COM III
• 924 Vario COM III
• 927 Vario COM III
• 930 Vario COM III
• 933 Vario COM III
• 936 Vario COM III
• Fendt 300 Vario series
• Fendt 400 Vario series (e.g., 409, 410, 411, 412)
• Fendt 700 Vario series (e.g., 711, 712, 714, 716)
• Fendt 800 Vario series (e.g., 815, 817, 818)
• Fendt 900 Vario series (e.g., 916, 920, 924, 926, 930, 936)

1. 1

   Check the ESC button on the left dashboard control panel for physical damage, sticking, or accumulated dirt/debris that might prevent the button from returning to its resting position.

2. 2

   Connect the FENDIAS diagnostic tool to monitor the live state of the ESC button. Check if the software registers the button as permanently pressed or completely unresponsive.

3. 3

   Consult the 'VARIOWIN Instrument panel' circuit diagram. Check the wiring harness and connectors between the A037 control panel and the main instrument cluster for continuity, pinched wires, or corrosion at the pins.

1. 1

   Disconnect Power

   Disconnect the tractor's battery to prevent electrical shorts while working on the dashboard electronics.

2. 2

   Access the Control Panel

   Carefully pry or unscrew the trim pieces surrounding the left dashboard control panel (A037).

3. 3

   Remove the Panel

   Remove the mounting hardware securing the control panel to the dashboard console.

4. 4

   Disconnect Harness

   Disconnect the electrical multi-plug connectors from the rear of the panel. Inspect the connector pins for oxidation.

5. 5

   Component Replacement

   Depending on the specific Vario model year, the ESC button may be part of a sealed membrane/circuit board assembly. If the button cannot be cleaned or individually desoldered/replaced, the entire A037 control panel module must be replaced.

6. 6

   Reassembly

   Connect the new control panel to the wiring harness and secure it back into the dashboard. Reinstall all trim pieces.

7. 7

   Clear Codes

   Reconnect the battery. Use the tractor's onboard diagnostic menu or the FENDIAS tool to clear the stored 00.1.72 fault code from the memory. Test the ESC button to ensure functionality.