How to Clear Error Codes From a Grand Cherokee OBD II 1996 and Newer1Open the driver's door on the Jeep Grand Cherokee and locate the diagnostic hyperlink connector under the dashboard. It is to the left on the steering wheel, uncovered and shaped like a trapezoid.2Plug the OBD II scanner in to the connector and then turn the ignition crucial for the energy accessory position. This may illuminate all of the warning lights on the instrument panel without the engine running.3Refer for the operation manual in the scanner.
Because countless businesses make them, the operation of one's precise scanner will probably be in depth inside the manual. On a complete, operating these scanners is simple and nearly self-explanatory.4Scroll to the "erase codes" option displayed on the on-screen menu. Some scanners also function an erase button selection. If so Obd2 scanner, press erase. In case you had to scroll towards the choice Auto diagnostic tool, press the "enter" or "send" button. Some scanners may possibly ask if you're sure you desire to erase the codes. If so, pick "yes."5Watch the display screen from the scanner until it reads "command sent" and then get started the engine towards the Grand Cherokee. Check the instrument panel to ensure the error code has successfully been erased as well as the MIL is no longer illuminated.OBD I 1993-19956Open the hood to the Grand Cherokee.
7Use a wrench to loosen the negative battery terminal clamp's retaining bolt and nut.8Use a pair of Channel Lock pliers to twist the loosened terminal clamp and lift it off in the battery terminal.9Turn the headlight switch on as well as the ignition crucial to the accessory power position. This may expel any stored charge in the electrical technique and wipe out the computer's memory. Wait ten minutes.10Turn off the ignition crucial along with the headlight switch then reconnect the unfavorable battery terminal clamp. Get started the engine to make sure the error code is erased as well as the MIL is no longer illuminated.
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