A while back my ESP, ABS, and traction control lights came on. Replacement OEM Engine Computer (ECM,ECU,PCM) for a Jeep Liberty All modules are VIN programmed, flashed and updated with the latest dealer software to improve drivability and fuel mileage ACR remanufactured units come with a Limited Lifetime Warranty (Made in the USA) Copyright 2020 Leaf Group Ltd. / Leaf Group Media, Allpar: Chrysler, Plymouth, and Dodge Computer Codes. I.E (Headlights,Radio,AC/Heat, If you have a sunroof make sure that it is also shut) 2- Disconnect the negative terminal from the battery using a wrench or a socket that fits, you should leave it unplugged for approximately 5-10 minutes. Before replacing the PCM, with the ignition switch in the “RUN” position, determine the part number of the PCM software. Correcting/Recalibrating the Jeep Liberty Speedometer for different tire sizes using the DRBIII. This procedure only works for 2005 and older Jeep Liberty's, for 2006+ a starscan instead of the DRBIII is required. This time I had it towed to a jeep dealer, they had the car for two days, call me back and said it needed a new computer (or engine control as they called it) about 500 bucks for it. Drive the car a little harder than usual for a day or two and you should notice the difference from then on. Disconnect the ABS harness at the ABS computer. i believe it is the security system, as the vehicle starts yet dies shortly after. The 2002 Jeep Liberty has 84 NHTSA complaints for the electrical system at 78,886 miles average. If your owners manual is missing like mine was when I bought my Grand Cherokee, your dealer can order one if they don't have it in stock. Step 2 Plug the pocket scanner into the DLC and then turn the ignition key to the accessory position. More specifically, the PCM in your Jeep is actually a combination of two other computers, the engine control module and the transmission control module. Forums > Jeep Liberty - KJ (02 to 07) > KJ General Discussion > ... Connect everything back up again, reset your clock and stereo presets. The powertrain control module (PCM) — sometimes also called an engine computer, ECM, or TCM — in your Jeep Wrangler acts as the brain of your vehicle’s engine. Jeep Liberty Engine Control Computer Your Liberty earns its name by giving you the independence to drive on nearly any trail you want to. Just disconnect the battery for more than 10 seconds and you’re done. The location of the PCM is in the engine compartment in the back right near the battery. If you have the "vehicle information center" press the select button momentarily, then with the service light on, press and hold the reset button for two seconds with the key on. Please contact me here for programming cost and availability. If a problem is detected, your "check engine" light will come on prompting you that service is needed. They finally did more than just read and reset the computer. All Images and For those in the Colorado area wishing to have this done I do offer DRBIII programming. ... Have a 2007 Liberty They replaced the gas cap and two fuel line hoses. P0304 code frm computer, this is a 07 jeep liberty, cylinder 4 misfire, also there is a partime light on the message board next to check engine light Bad coil on #3,if coil-on-plug Mar 26, 2010 | 2007 Jeep Liberty … The Electronic Control Module, or ECU as it is most commonly called, is a generic term used for any embedded system within a vehicle that controls one or more electric system(s) or subsystem(s).  The following sequence is used to reset the ECM or PCM as it … This is a "how-to" reprogram the BCM and ACM in the Jeep Liberty to correct for different size tires. You need the PCM for that exact car. 7. You could even pull the electronic control module fuse on many models. a collection of posts after replacing many parts and doing the … He has developed training programs, process improvement initiatives and user manuals for a variety of clients. The OBD-II uses various sensors on your vehicle to ensure it is running properly. His specialties range from motorcycling and guitar playing to computer building and digital photography. Loosen the bolt on the negative battery cable using the adjustable wrench and remove the cable from the negative post. Jeep Liberty PCM ECM ECU Engine Computer. When you’re searching for a replacement PCM, it’s important to keep in mind that PCMs are programmed for a specific make and model of vehicle. Also please check out the statistics and reliability analysis of Jeep Liberty based on all problems reported for the Liberty. If you like to reset any maintenance oil light after an oil change. Below is a sample list of Jeep Airbag Module Part Numbers. Dealer has ordered a new computer for the Jeep. Like all vehicles manufactured after 1996, your Jeep Liberty has an on-board diagnostic system (OBD-II). 8. The reset check engine lights process takes an extra step on modern cars. It will also reset the electronic systems inside the car; if the car has an anti-theft radio system, for example, it will likely go into safe mode and will need a code to unlock it. Disconnecting the battery will erase all the data from the vehicle's computer, which could make any problems with the car more difficult to diagnose in the future. Like all vehicles manufactured after 1996, your Jeep Liberty has an on-board diagnostic system (OBD-II). Release the two latches then raise the connector up like a lever, then pull it … So I had that changed, car worked again for about 15 or 20 mins and it stalled when we pulled up … Or reset check engine light, airbag light, inspection key or insp errors when maint reqd, for Jeep cars. When the PCM detects any problems it sends a code that is displayed in your instrument panel. If your part number is not on this list, no worries we still reset it as long as your vehicle is year 1997 and up. It is located on the driver's side directly behind the headlight. Locate the battery in the engine compartment. WHEN I GOT HOME I TOOK DISCONNECTED THE NEG WIRE ON THE BATTERY TO RESET THE COMPUTER IN JEEP AND I HOOKED IT BACK UP AFTER 20 MINS AND WHERE THE MILEAGE IS SHOWN IT SAID ERROR. are Copyright 2000-2012 James Slaten unless otherwise noted. i started my jeep liberty and the windshield wipers started going when the switch was in the off position. Replacing Your PCM. Now, it doesn't HAVE a loose clutch anymore. Tighten the bolt on the negative cable using the adjustable wrench until the cable end is tight and does not move on the post. In the meantime poor milage and performance. Been to service center 8 times for this problem. Please note that this can only be accomplished via a DRBIII. 2006 Jeep Liberty: solenoid (twice), pcm (twice), ecm, fuel filter re 2006 Jeep Liberty CRD 22k miles Vehicle ran perfectly for 17 k miles and then began losing power and revving only to 3000 rpm. I changed the four wheel sensors one by one with no success. It is located to the right of the steering wheel on the Liberty. To search this list, you can press Ctrl+F and use the search option Turn off the ignition key and disconnect the negative battery cable before unplugging the PCM connectors. Leave the cable unhooked from the battery for three to five minutes. materials contained within this site This is a "how-to" reprogram the BCM and ACM in the Jeep Liberty to correct for different size tires. Can you tell how to reset the computer on to reset the oil change signal it wont reset by just pressing the gas pedal - Answered by a verified Jeep Mechanic. Connect the CH9043 MUX Cable, and the DRBIII(with the CH9044 Crossfire Software card or CH 9087 Sprinter Software card plugged into it); to the vehicle. PCM INITIALIZATION PROCEDURE CROSSFIRE/SPRINTER: 1. Jeep Liberty owners have reported 13 problems related to tire pressure monitoring system (under the tire category). The guages all read 0.The power door locks and keyless entry features are acting silly as well, how would i reset this or disable the feature completely? I don't advocate a PCM reset for a snorkel, CAI, IAT relocation, TB spacer, spark plug change, header change, catalyst mods, catback system install, gear ratio change, tire size change, etc. The OBD-II uses various sensors on your vehicle to ensure it is running properly. I TURNED ON MY HEADLIGHTS AND THEY STOPPED. If you drive a 2007 Jeep Liberty with a 3.7-liter V6, you can’t use just any PCM. So I pick it up today and the type 43 light isn’t on but now the check engine light is on. Back to your Jeep.....Let's say you put a new automatic transmission in this thing. Powertrain Control Module (PCM) Choose for Me to Minimize Cost Choose for Me to Minimize Cost JEEP > 2003 > LIBERTY > 3.7L V6 > Electrical > Powertrain Control Module (PCM) The system will eventually reset itself and the light will go out or you can reset it manually. You can’t use just any Jeep PCM replacement. Reliability is crucial when you're out in the backcountry, so get a new Jeep Liberty engine control module to be confident that your engine is getting the correct information from your sensors. Open the driver's side door of the Jeep Liberty and locate the diagnostic link connector (DLC) under the dash. Start the engine to ensure that the "check engine" light is no longer illuminated. If you decide to do the repair work yourself, the "check engine" light will remain lit until the OBD-II codes are reset. Jeep Liberty engine computer modules in-stock and ready to ship. Jeep Wrangler Check Engine Light Reset All modern jeeps come equipped with a PCM or (Powertrain Control Module) which scans all sensors and signals from components throughout the vehicle. COVID-19 Message - During these tough times we remain open and are continuing to process all orders. (Page 1 of 5) CarComplaints.com : Car complaints, car problems and defect information Lucas' work has also appeared in online publications. Marc Lucas has worked in the education publishing industry since 2000. So I just got my 2005 Jeep Liberty 4wd yesterday and no lights where on. Top . Begin replacing the Jeep PCM of your 2002 Jeep Liberty by locating the module. My 2000 jeep grand cherokee, limited edition, is acting up. Before we start, make sure to do this to ensure safe replacement. All information is taken from the Jeep Liberty owners manual.. That it is the full procedure how to reset oil service light Jeep Liberty. I pick it up today and the type 43 light is on and online people said it didn’t mean much. Common Jeep ORCM Occupant Restraint Control Module Part Numbers We reset all modules year 1997 and up. The upshot is that they now test to see if the onboard computer was reset due to a battery "failure", ("failure" being defined as Roscoe unhooking it for five minutes right before taking the test), or if it was properly reset after maintenance on the vehicle, etc. All Liberty ECMs come pre-programmed, no need to visit a Jeep dealership! Please note that this can only be accomplished via a DRBIII. ... My 03 Jeep Liberty Limited had a delay while starting. Before the deployment of OBD II in 1996, resetting a check engine light was a simple matter. Jeep Liberty ABS test. When I cut the engine off again, it would not start. If a problem is detected, your "check engine" light will come on prompting you that service is needed. Press the negative battery cable end onto the negative post. 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