Youcan get one for under $70 that will reset codes and give you basic codes. On a TJ to reset, you need to turn the key to on (engine not running) use the tool to reset the code, turn the key off then back on. 2005 TJ SE (Slow Edition) Silver Metallic, 2.4L DOHC w/6spd NSG370, 31x10.5x15, 2" TF coil spacers, D30/DM35 diffs. MitsubishiPajero Service Light Reset tiptronic function Ford EF 4 0L Hard to start How do you reset the check engine lights on of Mitsubishi April 21st, 2018 - You can reset the check engine light on your Mitsubishi Triton TDIby removing the fuse Keep the fuse out for 10 seconds and replaceit to its original slot ThisHigh Class Loser shows you how to reset the oil change light / service light / maintenance minder on your Triumph Motorcycle without making a trip to th Acheck engine light can indicate a broad spectrum of problems with your 2012 Jeep Grand Cherokee. If you have a flashing check engine light, turn off the engine immediately to prevent potential motor damage. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service Goahead and plug the scanner tool into the OBD II port. The scanner tool should now turn on. Follow the directions on the tool to reset the codes or check engine light and You should be good to go. To reset the check engine light in your 2012 jeep patriot, turn your key to the "on" position. Depress the gas pedal three times, turn key off and trypushing and holding in the trip reset button on the dash, that should give you the code. That does not display the OBDII codes. The process is to turn the key OFF-ON-OFF-ON-OFF-ON. It does not work on 00. Yes Autozone AAMCO and other place will read them for free except in CA. Howto Reset a Check Engine Light. Once you've resolved the issues causing your check engine light to illuminate, you can proceed with these steps for how to turn off a check engine light manually: Turn off your vehicle and put on the proper safety gloves and glasses. Locate your battery under the hood and find the negative terminal. MichaelWebb. I had the same problem when i fitted a racing chip, the engine management light came on when i reconnected the battery, the workshop manual says there is 2 reasons for this 1 is a fault has been detected and if it is not logged in the memory idle the engine until the auto fan starts then switch off and allow a full shutdown of the 2qnaMI.