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How do you clear Detroit fault codes in a freightliner without computer is it possible 2006?

1. Turn the ignition key to the "On" position, but do not start the engine.

2. Press and hold the "Menu" button on the instrument cluster until the "Diagnostics" menu appears.

3. Use the up and down arrow keys to scroll through the menu options until you reach "Fault Codes."

4. Press the "Select" button to view the fault codes.

5. Press and hold the "Clear" button for 3 seconds to clear the fault codes.

6. Turn the ignition key to the "Off" position.