Tips on how to Clear Error Codes From a Grand Cherokee

OBD II 1996 and Newer
Open the driver's door on the Jeep Grand Cherokee and find the diagnostic link connector under the dashboard ">Professional diagnositic tools. It truly is for the left on the steering wheel, uncovered and shaped like a trapezoid.

Plug the OBD II scanner into the connector and after that turn the ignition important for the power accessory position. This will illuminate each of the warning lights on the instrument panel devoid of the engine operating.

Refer to the operation manual from the scanner. Because so many companies make them, the operation of your specific scanner will be detailed in the manual. On a whole, operating these scanners is easy and almost self-explanatory.

Scroll for the "erase codes" option displayed on the on-screen menu. Some scanners also feature an erase button option. If so, press erase. If you had to scroll for the option, press the "enter" or "send" button. Some scanners may ask if you're sure you want to erase the codes. If so, select "yes."

Watch the display screen of the scanner until it reads "command sent" and after that start the engine to the Grand Cherokee. Check the instrument panel to ensure the error code has successfully been erased and the MIL is no longer illuminated.

OBD I 1993-1995
Open the hood to the Grand Cherokee.

Use a wrench to loosen the negative battery terminal clamp's retaining bolt and nut.

Use a pair of Channel Lock pliers to twist the loosened terminal clamp and lift it off in the battery terminal.

Turn the headlight switch on and the ignition essential towards the accessory power position. This may expel any stored charge in the electrical system and wipe out the computer's memory. Wait 10 minutes.

Turn off the ignition key and the headlight switch after which reconnect the negative battery terminal clamp 3d-wheel-alignment-cid188">3D wheel alignment. Start the engine to ensure the error code is erased and the MIL is no longer illuminated.