In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Jeep Gladiator JT Showcase. Before you try to reset the check engine light on your Jeep wrangler or grand Cherokee, make sure you first of all fix the problem that is triggering it. Jeep Wrangler Forum A forum community dedicated to Jeep Wrangler owners and enthusiasts. I got it jumped, and it was fine, but the CE light came on. 1987-1995 However, just because the check engine light is on, doesn’t mean there’s anything seriously wrong with it. I accidentally let the battery die in September. 2018-2021. Here is my situation and its history: I have a 2000 Jeep Wrangler, manual transmission, 6-cylinder. Check Engine Light Reset Procedure WORKS! A "hard reset" is another option. Thus I needed to reset the check engine warning light. Overdrive: TJ Wrangler Technical Forum: 11: 12-16-2006 11:28 PM: Check engine Light 03' 2.4 reset: Gunkel: TJ Wrangler Technical Forum: 11: 05-07-2006 08:45 AM: How to Reset the computer (Check engine light)? I got a jump, and it was fine until we got a cold snap. 1997 Check Engine Light. 2007-2018. Jeep® YJ Wrangler, TJ Wrangler and LJ Wrangler ; 1990 Jeep YJ Wrangler Check Engine Light (CEL) Fails to Come On Forums Open to Member Posting. TJ Jeep Wrangler Forum. RESET THE CHECK ENGINE LIGHT Disconnect the battery for 30 seconds. Hello! The above the steps will work for a 2014 jeep wrangler check engine light reset and a 2016 jeep renegade check engine light reset. The battery is about 4 years old. The check engine light stayed on. Jeep Wrangler Check Engine Light Codes. After reading the code and diagnosing and fixing the problem, the user can select an option on the scanner to clear all diagnostic codes, which should reset the check engine light. The other codes are inconsequential. A check engine light can indicate a broad spectrum of problems with your 2008 Jeep Wrangler. I've read that the soft codes go away, but the hard codes stay. YEA! The timer comes on every 82,500 miles, and it cannot be reset. Jeep Wrangler JK Showcase. Check engine light has gone away. Then reconnect. Jump to Latest Follow 1 - 7 of 7 Posts. 1997-2006. Conclusion. Jeep Wrangler JL Showcase. Jeep Wrangler TJ Showcase. I would disco the battery's negative connector for 2 minutes to reset the codes and see if the 11 code comes back. Read on.) On the first cold day (October), the battery was dead again. If there’s any indicator that there’s something wrong with your Jeep Wrangler, the check engine light would be the biggest clue. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models! (We live in NJ.) 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