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How do I check/clear engine codes (DTC's) with my Rev-X Tuner

If you are experiencing a check engine light on your dashboard, you will be able to retrieve the code and read the cause of the code using your Rev-X. You will also have the ability to clear these codes if you have fixed the problem that was causing the check engine light.



1. Once the device is powered on using the OBD-II cable provided, scroll down to highlight “Vehicle Functions”. Press the center button on the Rev-X keypad to select.




2. Use the up or down arrow button to choose "Read" or "Clear" DTC Codes.




3. Turn the vehicle key to the ON position and select continue. The device will automatically detect and display any codes that may be present. You will be able to read the definition of the code by scrolling and selecting the code being displayed. To go back to the list of DTC’s, highlight and select the back button.



4. CLEAR DTC: Turn the vehicle key to the ON position and select “Continue”. Device will display “Clear Codes Complete, Turn Key Off”. Your DTC codes have now been cleared. Select Exit, and Exit again to get back to the Main Menu.

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