OIC 003033.02 – Position of Left Brake Pedal, Out of Valid Range

OIC 003033.02 (OIC 3033.02)

Code: 003033.02

Shortcode: 3033.02


This error code indicates that the left brake pedal sensor unit is providing invalid signals. It shows over 2 volts when the brake pedal switch is closed or less than 1.1 volts when the brake pedal switch is open.


The control software may function in a limited capacity or not at all, affecting the left brake pedal sensor unit.


Inspect Brake Pedal Sensor:

  • Check the left brake pedal sensor unit and its wiring for any signs of damage, loose connections, or corrosion. Repair or replace any faulty components.

Test Sensor Output:

  • Use a multimeter to measure the voltage output of the brake pedal sensor. Ensure that the output falls within the valid range (typically 1.1-2 volts).

Verify Brake Pedal Switch:

  • Check the brake pedal switch for proper operation. Ensure it opens and closes correctly and that there are no mechanical issues.

Update Control Software:

  • Ensure that the control software is updated to the latest version. Firmware updates might include improvements in handling brake pedal sensor signals.

Consult Manufacturer Support:

  • If the issue persists, consult technical support or the manufacturer for further diagnostics and assistance.

Monitor System Performance:

  • After addressing the issue, monitor the brake pedal sensor unit to ensure it functions correctly and the error does not recur.


Regular maintenance and checks of the brake pedal sensor and switch are essential for safe vehicle operation. Addressing sensor and switch issues promptly can prevent braking problems.

Control Units: John Deere

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