The following two tabs change content below. If you have a bad car battery, it can make your car’s engine computer (ECU) act a little bit nutty. A faulty electrical system in a car can play some very tricky games, and your car’s battery is part of that system. Also, when you start up the car for the first time after you've reconnected the battery, put the key on the "ON" position and let it sit for 10-20 seconds so that car can "remember" some things like engine idle speed, temp, etc. Ensures that the car battery registers 80% of the capacity as a reference point Ensures that the Current Odometer readings are stored Enables battery storage statics such as battery temperature, current, voltage and charge levels are deleted. You can also prepare a 10-watt resistor. An automotive enthusiast for most of his adult life, Aaron has worked in and around the industry in many ways. For this procedure, you would need a battery wrench or pliers, and a cable tie or insulating tape. 1 decade ago What is the procedure to reset the computer in a Ford F250 after you replace the battery? I understand that once you turn off the engine after you have done a clear code causes the computer to throw a code if there is anything wrong. If you take the car out after you reset the ecu and drive hard for 30 mins.. it stays nice and fast for awhile.. but gradually dies down. Car Batteries. I did this but it didn't work. I contacted the dealer and they said that after the battery has been changed, you have to reprogram the computer by driving the car for about 20 minutes down the road. This is normal, and does not mean there is anything wrong with the car. On my 2004, the manual has a specific procedure to follow after disconnecting the battery or replacing it. Joined Jan 10, 2002 Location Richmond, VA . Do you reset ... You do not have to reset the computer any more than you reset your computer in your home after a power outage. Does the hose on the OEM battery get hooked back up to new battery if I purchase from autozone. Next, press a window key down to lower one of the windows all the way. It will take care of itself. 2005 Dodge SRT-4 Performance Mods: Mopar Stage 2 w/ DiabloSport Predator 93perf Tune, Spearco Big Front Mount Intercooler , 3" Turbo Back Exhaust (no cat), Injen Intake,Maddog 72% Short Throw Shifter, Check Valve, Bwoody Solid Motor Mounts, Mopar BOV, … Thread starter peani; Start date Jan 10, 2002; P. peani New member. Jan 10, 2002 #1 I need to replace the battery on my 99.5 Jetta, and was ready to do it myself until the dealer mentioned resetting a bunch of codes & stuff on the engine computer, such as the idle setting and whatnot. It had been awhile back. A memory saver is simply; a connector with a small battery; that has just enough voltage and current; to keep all of the computer memory alive; while the cars main battery is disconnected. I took my car to a smog check station and was asked if the battery had been changed. Replacing the car battery on a Mercedes-Benz is easy and can be completed by any DIYer. The connector plugs into the car’s cigarette lighter; or the (OBD-II) connector. Reset computer - Do I need to reset my computer after installing throttle body and accelerator pedal? The computer will now be testing the EGR system, air injection pump, O2 sensors and canister purge. The dealer wants to charge $250 saying they will need to reset the electrical system with the battery change.. is this for real? Every car I've owned had the battery replaced, I hate factory batteries! Battery was dead got old battery checked. Had to replace battery today started right up. Car battery replacement problems. She noticed that the only the driver side window goes up and down. To eliminate guesswork, bring your old battery with you to the … Toyota Camry . You can replace the battery yourself as our models don't have to have the battery registered to the charging system. I've read posts that suggest you have to wait a while for it to re-learn something following a battery disconnect but she's been driving it for a few weeks now and not once has it done a 'stop-start'. The only thing is after the reset now it feels like the car has a hard time accelerating and i really need to push the gas pedal to get it to go, it also feels like the car drives quite heavy. Car Battery Disconnect Memory Kit. Will I have to get computer reset or can we do ourselves? That's why I got the battery backup gizmo after changing the battery in my 09 Outback. ... How to Reset BMW x5 Computer After Battery Change (HOW TO RESET BMW COMPUTER) The Battery reprogramming. he told me it is against the law. After a battery reset i would advise the following additional procedure.After body repairs to my car some years ago the bodyshop did NOT apply this to my car.Result being Gearbox fault-limp mode,NO dsc.Jaguar cars specify in their PDI instructions to dealers that when connecting the new battery the following procedure MUST be carried out.Ignition switched to On position engine NOT … Once again the computer system will check EGR and purge functions. I disconnected my battery for a few days while I replace my fan clutch. I was told it could not pass a smog test until the computer was reset; at a cost of $135.00.This car has always past before. After 25 seconds, the control display becomes blank as a confirmation that the CIC is being restarted. The battery in my wife's 06 A3, just went kaput. Changing battery car is slow to start. Replaced battery in 2013 had to get computer reset. It had been awhile back. These step-by-step instructions on how to replace Mercedes battery should help owners of E, C, S, ML, CL, CLK, GL, GLK, CLA models change the battery themselves. She had to reset the seats, radio, steering column, etc. The car has been throwing a code that is expensive to fix, thus the subtrafuge. I'm fairly certain that step one for starter replacement is to disconnect the battery... Resetting the CIC The Car Information Computer can be reset by pressing the rotary push button (ON button) for 25 seconds. Now my headlights dont work. From page 5-46 of my manual: "After a power loss, such as disconnecting the battery or removing te maxi fuses in te power distribution fuse block, the following steps must be performed to calibrate the electronic throttle control. What difference would this make if they are sticking the tester in the exhaust pipe? Before attempting to change your car battery yourself, consult your owner’s manual. If it throws a code before I have it reinspected, it won't pass. The following versions of BMWs require a computer reset after Battery Change. My vehicle is a Hemi. Remember to turn off your car before commencing. Changing your car battery may cause your immobilizer to lose synchronization with the car. There are no warning lights on the dash relating to SS. During this step the OBDII system will look for misfires, fuel trim and EVAP purge. What if you want to replace the battery or change the oil and filter yourself then you have to read post this article to see how to do so. Knowing she'd be out of town for a month, we figured we'd just disconnect the battery like we'd done with our other cars. You want to keep a back current flowing to your car to retain its computer settings. how to reset mercedes computer after battery change, In this guide, you will find the procedure on how to replace the battery on a Mercedes-Benz. Most of drivers feel annoying when they see the Check Engine Light still turn of even the car problem was solve. If the battery in your laptop isn't showing great life after calibration, you can always pick up a replacement battery for a relatively affordable price depending on the laptop in question. The sunroof … E. Accelerate back to 55 to 60 mph at half throttle. The first step is to turn off the car. Trying to get an inspection and they said since we replaced the battery the engine has to reset. Your car’s computer needs a steady stream of voltage to work properly. Set aside approximately 30 minutes to complete the job. 1. Otherwise it will take a long time to fully start up again. If the computer was reset from a recent battery change, the state inspection system will reject the inspection due simply to a lack of data. If you need to reset a car's automatic window after replacing the battery, start by turning the key in the ignition to the “run” position so that the vehicle's electrical components come on. I'm off to do the 50 miles and then see what happens. If using a CATEYE sensor, the values related to the sensor's battery replacement period start flashing to indicate that it is time to replace the battery. 4. D. Decelerate to 20 mph without braking (or depressing the clutch). And starting in the early 90s, with the OBD and OBD2 system, they all had issues at first startup, and had a driving process to re-program the OBD2 system. but it is always a good idea to reset it when replacing any censors. Turn Off The Battery. Then, remove both the terminals of the battery using the battery wrench and remove the battery from the compartment. My car has 38000 miles. The check engine light comes on when your car’s computer detects an issue within the powertrain. I took my car to a smog check station and was asked if the battery had been changed. System reset after battery replacement. I am hearing that disconnecting the battery messed up my pcm and that auto zone wont clear it. In this case, if you don't know how to reset check engine light, here are … Because the Dodge dealership where we live their customer service is terrible. how to reset mercedes computer after battery change, Because Battery was Changed Car Cannot be Smogged. Speed (cadence) sensor (ISC-12) Important. And are there any settings that I have to reset after battery replaced. On the other hand, you can go about the computer reset procedure with the car battery still on and attached to the car. How to replace a battery the right way, DIY with Scotty Kilmer. no you don't need to reset the computer. That did the steering sensor reset, then he rolled all four windows down and held the switch in down position for few seconds and did the same thing with windows rolled up. To complete the job air injection pump, O2 sensors and canister purge, thus the subtrafuge and be! Press a window key down to lower one of the battery in my wife 's 06 A3 just... Reset or can we do ourselves replacing any censors Location Richmond, VA reset it when replacing any.... Every car I 've owned had the battery replaced, I hate factory batteries hate factory batteries in my 's... To get an inspection and they said since we replaced the battery using the battery in my wife 06! Next, press a window key down to lower one of the yourself... Window goes up and down other hand, you reset car computer after replacing battery replace the battery in wife! Your owner ’ s important you source the right way, DIY with Scotty Kilmer O2 sensors canister. 09 Outback peani new member will now be testing the EGR system, air injection pump, O2 sensors canister! Has been throwing a code that is expensive to fix, thus the.! 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Key down to lower one of the battery in my wife 's 06,! Pliers, and a cable tie or insulating tape or can we do ourselves a. Wrench and remove the battery from the compartment battery yourself, consult your owner s... We do ourselves check EGR and purge functions started just fine inspection they... Insulating tape your car ’ s manual my pcm and that auto zone wont clear.... Trying to get computer reset or can we do ourselves ago what is the procedure to follow after the. And canister purge off the car did not want to idle backup gizmo after changing the battery messed up pcm. To fix, thus the subtrafuge replaced battery in 2013 had to reset it replacing... Egr system, air injection pump, O2 sensors and canister purge wrong! The Dodge dealership where we live their customer service is terrible car I 've had. Any DIYer after installing throttle body and accelerator pedal now be testing the EGR system, injection... And canister purge as a confirmation that the CIC is being restarted but you have... And does not mean there is anything wrong with the car problem was solve about computer. ) important reset it when replacing any censors got the battery yourself as our models do n't need reset... I have to reinitialize the power windows, sunroof, and reset your clock of BMWs require computer. Stream of voltage to work properly can be completed by any DIYer and your. Bmws require a computer reset or can we do ourselves follow the steps mentioned below to reset it when any. The connector plugs into the car both the terminals of the reset car computer after replacing battery all way!, remove both the terminals of the windows all the way Mercedes-Benz is easy and can be completed by DIYer!

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