In this article, we cover common problems that trigger the Jeep check engine light to come on, symptoms, and how to read the fault codes yourself with an OBD-II scanner. For instance, code 41 will be represented by four flashes, a pause, and then one pause. Could be a lot of things. Reset light, still getting … The check engine light came on; the local Volvo dealer told me to replace the gas cap; I did, and that cleared the check engine error! Long pauses will be used to separate fault codes. Since that time, I have almost always bought name brand gas; I buy the cheap gas only when I'm about to run out, and that is all that is available. The dealer and auto parts stores say there is no idle air control on my vehicle. When the PCM detects any problems it sends a code that is displayed in your instrument panel. Reference your manual for the codes that come up. The Jeep Grand Cherokee is a mid-sized SUV manufactured by Chrysler LLC. 2001 Jeep Grand Cherokee / Check engine light; Check engine light. He is a winner of the Science Fiction Poetry Association's Rhysling Award and he edits poetry for Belfire Press. on Tuesday but I am just looking to see in general what could be wrong with my jeep. Only a skilled mechanic, with a code reader, can tell you what is really going on. Below you will find the most complete list of Jeep trouble codes available. Turn the key in the following pattern: On-Off-On-Off-On. Richard Ristow has written for journals, newspapers and websites since 2002. Please also check out the statistics and reliability analysis of the 2001 Jeep Cherokee based on all problems reported for the 2001 Cherokee. And this is because check engine light is a feature that is common in all cars that shows either some something is not working or system warning indicting that something happened or … The procedure for operating a diagnostic scanner varies by brand, and it is always best to defer to the exact instructions contained in your scanner's user manual. I have a 2001 Jeep Cherokee Sport, with Auto Transmission, My check engine light is on, and i am trying to get the check engine light code, and whenever i try the turn the key on/off thing three times then it should appear on the 4th it does not work? Here are the most common issues that end up causing the check engine light to flash. The vehicle is emitting emissions which are higher than the Environmental Protection Agency mandates, and that is why the check engine light is on. I told him that I often ran cheap gas. Turn the Jeep Grand Cherokee's electrical system on. Jeep check engine light (CEL) comes on when the On-Board Diagnostic (OBD) system detects a problem with the engine, transmission, or evaporative system. The first number will flash. Check Engine light often came on our 2001 Jeep Cherokee Sport (60k miles), I always took it in for service when that happened. But, follow the OBDII codes. But, follow the OBDII codes. Take your car to your local Auto Zone. Open the driver's side door and plug your OBD-II scanner's cable into the Grand Cherokee's diagnostic outlet. A check engine light could indicate a catastrophic problem in the Jeep’s engine, or it may be something as simple as a loose gas cap. Your scanner's handbook will likely only have the generic OBD-II codes universal to all cars and light trucks after 1996. October 09, 2009. can a weak battery cause the check engine light to come on? Blinking Check Engine Light Diagnosis: Jeep Cherokee. Pulled codes at autozone. This normally occurs in hot weather after the vehicle has been driven, parked for ten to twenty minutes, and then restarted. I have a 2001 Jeep Grand Cherokee. Your check engine light typically comes on when there is a problem with your emission control system or another computer-controlled system in your vehicle. Welcome to the Jeep Check Engine Light codes page. A P0455 code is Evaporative Emission Control System Leak Detected (no purge flow or large leak), a P0303 code is Misfire Detected Cylinder #3. 2001 jeep check engine light on. He told me that that could be the reason. Usually it's nothing major, this time, it's a crack in cylinder cap, costing me $2k to fix. You may have to also crank the engine, depending on the brand and type of OBD-II scanner you own. Trouble codes P0455, P0303, check engine light on, seems to be burning more gas. The codes themselves are two digits. These trouble codes will be able to tell you where to start hunting down the problem. Chrysler's owner's manuals will neither have flash nor OBD-II code definitions. There will always be trouble codes associated with the check engine light blinking. When Chrysler / Jeep came up with this idea for getting the engine codes, it was a very smart move. When I stepped out of the car I noticed a slight sweet smell but I couldnt smell it under the hood. But I can tell you that some mechanics have very advanced computers, and they can tell you EXACTLY what is the problem. To reset check engine light jeep wrangler is one thing every jeep wrangler will perform at one point or the other. Terms — He said that he always uses name-brand gas, and his check engine light never comes on. Once you have found all the definitions for the fault codes reported by your scanner, you can make an educated decision on whether to do the repairs yourself, or consult a professional mechanic. Reference Chrysler's supplemental OBD-II codes online (See Resources). Since the Grand Cherokee's diagnostic system predates Environmental Protection Agency standardization, other manufacturer's codes will not help. Then what is trouble code 25? The cause should be determined before resetting the light, to avoid potential damage to the vehicle. The average price of a 2001 Jeep Cherokee check engine light can vary depending on location. 2001 Jeep Grand Cherokee. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? He told me that my O2 sensors were probably coated with contaminants from the cheap gas, and that was likely the reason for the check engine light being on. The most recently reported issues are listed below. Look at your scanner's screen. Jeep Check Engine Light Codes. A lot of readers and scanners are set up to access only generic OBDII codes. Is the car running well? These codes and video may work with other OBD1 Jeeps. 1997-2001 Jeep Cherokee. Get behind the Grand Cherokee's wheel and slide your key into the ignition. © 2020 iFixit — Licensed under Creative Commons — Privacy — I had just dropped my daughter home after dinner and the check engine light came on just after I had shifted from reverse to forward. My check engine light comes on and the trouble codes say its problem #25 - idle air control sensor circuit. All Jeep Grand Cherokees are equipped with internal diagnostic computers monitoring engine performance and emissions. Have you detected any issues with performance? Asked by user69051 in Lyndonville, VT on . Once a Jeep Grand Cherokee's check engine light illuminates, it means the On-Board Diagnostic system has repeatedly detected an engine malfunction. How to do that depends on the year the Grand Cherokee was manufactured. Answer: Hi Ron. The simple answer here is that if yourcheck engine light is on, even if no code is generated, then there is something going on with the engine. He also holds a Master of Fine Arts from the University of North Carolina at Wilmington and has managed an automotive department at WalMart. A problem has to repeat itself several times before the Grand Cherokee's On-Board Diagnostic system will give it a "fault" status. A Check Engine Light may illuminate indicating a "Cylinder #3 Misfire." But if your Jeep check engine light doesn’t require a serious repair and you have the expertise to handle the job yourself, check out our Jeep Repair Manuals. Professional Jeep mechanics can best assist you because they’re the most familiar with your make and model. There will always be trouble codes associated with the check engine light blinking. One time we had a Volvo. Vehice … Check Engine light came on. Have a Jeep Cherokee L engine. Grab a pen and paper and count the number times the check engine light flashes at you. 2016 jeep Cherokee check engine light 4 Answers. A problem has to repeat itself several times before the Grand Cherokee's On-Board Diagnostic system will give it a "fault" status. UPDATE: Pin 17 on the gray connector contains a black/pink wire. Heat from the exhaust vaporizes fuel inside the #3 fuel injector and causes the misfire. Here are the most common issues that end up causing the check engine light to flash. If the check engine light in your 2015 Jeep Grand Cherokee starts shining, that means that the problem needs immediate attention and your Jeep should be brought in swiftly. These trouble codes will be able to tell you where to start hunting down the problem. 2001 Jeep Cherokee mileage: 92,000. The Jeep Cherokee (XJ) is a compact SUV that was manufactured and marketed by Jeep from 1997 to 2001. You will need to differentiate between what is a "pending" code, and what is a "fault" or "trouble." They will put their hand-held scanner on it and give you the error code for free. Jeep Wrangler Check Engine Light Reset. As i was driving on the highway my engine light was flashing but then turned solid. This Data Link Connection will be located on the driver's sidde of the Jeep, beneath the steering wheel, somewhere between the left kick a panel and the gas pedal. The Grand Cherokee has been sold in the United States since 1993. This is the Check engine light wire to be used in the dash for retrieving codes. Fault codes trigger the check engine light, and pending codes do not. The information here is sourced well and enriched with great visual photo and video illustrations. He asked me if I used name-brand gas or cheap gas in my car. A malfunction within the system will illuminate a check engine light. check engine light is on ,what could it be, MrJimPhelps It will be a code. Please press the like button if it was helpful! Once you have found definitions for the flash codes reported to you, you can figure out whether to take the Jeep to a garage. Simple steps on how to reset the Service light/indicator on a Jeep Grand Cherokee. Chrysler is not being very cooperative to help out since my warranty is over. Get a free detailed estimate for a check engine light in your area from KBB.com My check engine light was on once, and I asked a mechanic why he thought it was on. In that case, the gas cap apparently wasn't making a good enough seal, allowing vapor to leak out into the atmosphere, triggering the check engine light. The perform service reminder is on the rooftop console. Replaced all 4 O2 Sensors with Bosch sensors. Five problems related to check engine light on have been reported for the 2001 Jeep Cherokee. There is no way to know with only that information. When checked, the repairman said it was a … The 2006 Jeep Grand Cherokee has 5 problems reported for engine light on. I have a scheduled appt. How to get codes - Jeep 2001 Grand Cherokee question 2015 Jeep Grand Cherokee Check Engine Light. At this time, if you do not have a self-starting scanner, you will have to switch it on yourself. - Ron, September 2008. So I literally just got my car 2016 with 23k miles. Most vehicle manufactures also have their OEM codes that so… Sharing the name of the original full-size SJ model, but without a traditional body-on-frame chassis, the XJ instead featured a light-weight unibody design. This is the Check engine light wire to be used in the dash for retrieving codes. Average repair cost is $600 at 86,250 miles. Question: 2001 Jeep Cherokee - 97500, 4.0L S6, replaced air filter and serpentine belt. His work has appeared in "2009 Nebula Showcase" and elsewhere. Hello, we provide concise yet detailed articles on "Jeep Choices: 2001 Jeep Grand Cherokee Check Engine Light" topic. You need to do this in 5 seconds or less for the Grand Cherokee's computer to recognize it as a command. A shining light suggests that the problem is perilous and if not taken care of swiftly may result in main damage to the vehicle. Car dashboard image by Andrejs Pidjass from, Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Extreme Engine Light Help: How to Get the Code/s for Chrysler 1983-1995 Vehicles. Look up the Chrysler's flash codes online (See References). @mrjimphelps. My 2001 Jeep Cherokkee engine light has been on for a couple of years and at one point it was running very rough and I spent about 2 grand having 2 different shops work on it at that time This work (fuel injector cleaning, new plugs, etc,they also told me I needed a new alternator which I suspect that was not part of the problem) did not totally solve the problem and now it is running rough again. The Jeep Cherokee (XJ) is a compact SUV that was manufactured and marketed by Jeep from 1997 to 2001. Jeep Check Engine Codes for the YJ & XJ. Hi, 2007 Jeep Grand Cherokee Laredo 3.7L, auto, 40 K miles. Accessibility. Some scanners have a dedicated button for this, and others require you interacting with menus. If you own a 1999-2010 Jeep Grand Cherokee, and your 'Check Engine' light is on, you can easily check for Diagnostic Trouble Codes (DTC's) without a scanner using just a simple key sequence. If your brand of hand-held is not preprogrammed to retrieve diagnostic codes, you will have to key a "scan" command. There will then be a pause before the second number flashes. Once a Jeep Grand Cherokee's check engine light illuminates, it means the On-Board Diagnostic system has repeatedly detected an engine malfunction. Also, they can clear the code to see if the light comes back on. Jeep is not smoking or running rough. Blinking Check Engine Light Diagnosis: Jeep Grand Cherokee. Sharing the name of the original full-size SJ model, but without a traditional body-on-frame chassis, the XJ instead featured a light-weight unibody design. 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