reset car computer after replacing battery

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. D. Decelerate to 20 mph without braking (or depressing the clutch). I was reading OOOO-A3's blog about changing the battery and on there he says you can just change it with a group 47 or group 48 battery.. and nothing about having to reset anything. 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. It had been awhile back. After changing it, the car did not want to idle. After 25 seconds, the control display becomes blank as a confirmation that the CIC is being restarted. 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 the computer was reset from a recent battery change, the state inspection system will reject the inspection due simply to a lack of data. I disconnected my battery for a few days while I replace my fan clutch. The connector plugs into the car’s cigarette lighter; or the (OBD-II) connector. Remember to turn off your car before commencing. 4. My car has 38000 miles. An automotive enthusiast for most of his adult life, Aaron has worked in and around the industry in many ways. I'm off to do the 50 miles and then see what happens. 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. Replacing the car battery on a Mercedes-Benz is easy and can be completed by any DIYer. Now my headlights dont work. In this case, if you don't know how to reset check engine light, here are … 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. For this procedure, you would need a battery wrench or pliers, and a cable tie or insulating tape. Most of drivers feel annoying when they see the Check Engine Light still turn of even the car problem was solve. Bio; Latest Posts; Aaron Turpen. E. Accelerate back to 55 to 60 mph at half throttle. There are no warning lights on the dash relating to SS. 1 decade ago What is the procedure to reset the computer in a Ford F250 after you replace the battery? If you have a bad car battery, it can make your car’s engine computer (ECU) act a little bit nutty. Had to replace battery today started right up. Joined Jan 10, 2002 Location Richmond, VA . To eliminate guesswork, bring your old battery with you to the … My car has an automatic transmission. What difference would this make if they are sticking the tester in the exhaust pipe? After replacing the battery, he put the key in the ingnition and turned the stearing wheel all the way to the left and then all the way to the right, did this three times. She noticed that the only the driver side window goes up and down. It had been awhile back. 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. The car has been throwing a code that is expensive to fix, thus the subtrafuge. 1. 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. 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. 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. Even when your car is parked, its computer systems are creating a small—but constant—drain on your car battery. 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. 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. She had to reset the seats, radio, steering column, etc. Kindly follow the steps mentioned below to reset the computer on your car. (Negative post was disconnected) She connected the battery today and it started just fine. Reset computer - Do I need to reset my computer after installing throttle body and accelerator pedal? How to Replace a Car Battery. he told me it is against the law. Car Batteries. Will I have to get computer reset or can we do ourselves? Thread starter peani; Start date Jan 10, 2002; P. peani New member. The computer will now be testing the EGR system, air injection pump, O2 sensors and canister purge. Car battery replacement problems. ... How to Reset BMW x5 Computer After Battery Change (HOW TO RESET BMW COMPUTER) The Battery reprogramming. Trying to get an inspection and they said since we replaced the battery the engine has to reset. You want to keep a back current flowing to your car to retain its computer settings. Next, press a window key down to lower one of the windows all the way. 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. 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. Resetting the Car Computer with the Battery Turned Off. Skip To Content. You can replace the battery yourself as our models don't have to have the battery registered to the charging system. 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. During this step the OBDII system will look for misfires, fuel trim and EVAP purge. 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. I took my car to a smog check station and was asked if the battery had been changed. 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. later, But you will have to reinitialize the power windows, sunroof, and reset your clock. 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. That's why I got the battery backup gizmo after changing the battery in my 09 Outback. The following versions of BMWs require a computer reset after Battery Change. 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. Because the Dodge dealership where we live their customer service is terrible. 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. 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. 001Stunna wrote: ↑Well the reason why i asked was because i did the reset on my 99 accord lx after having a little issue with it. The check engine light comes on when your car’s computer detects an issue within the powertrain. 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'. Your mechanic is being honest, just drive around for a few days and then bring it back, they will complete the inspection, most likely without issue. (Restart operation) Optional sensors. On my 2004, the manual has a specific procedure to follow after disconnecting the battery or replacing it. My vehicle is a Hemi. I am hearing that disconnecting the battery messed up my pcm and that auto zone wont clear it. neither high or low beams. Set aside approximately 30 minutes to complete the job. 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. The sunroof … 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. Because Battery was Changed Car Cannot be Smogged. Turn Off The Battery. Once again the computer system will check EGR and purge functions. This is normal, and does not mean there is anything wrong with the car. Best of luck to you! Changing your car battery may cause your immobilizer to lose synchronization with the car. Does the hose on the OEM battery get hooked back up to new battery if I purchase from autozone. The battery in my wife's 06 A3, just went kaput. 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, … Faulty car battery can affect your engine computer. 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 … no you don't need to reset the computer. Window procedure is in your owners manual. Then, remove both the terminals of the battery using the battery wrench and remove the battery from the compartment. but it is always a good idea to reset it when replacing any censors. How to replace a battery the right way, DIY with Scotty Kilmer. Replaced battery in 2013 had to get computer reset. Every car I've owned had the battery replaced, I hate factory batteries! 5. how to reset mercedes computer after battery change, Because Battery was Changed Car Cannot be Smogged. You can also prepare a 10-watt resistor. Toyota Camry . Your car’s computer needs a steady stream of voltage to work properly. Changing battery car is slow to start. The following two tabs change content below. On the other hand, you can go about the computer reset procedure with the car battery still on and attached to the car. It will take care of itself. When you disconnect your old battery from the car, you wipe out your car’s settings unless you keep the voltage in the car going. Otherwise it will take a long time to fully start up again. System reset after battery replacement. If it throws a code before I have it reinspected, it won't pass. * After replacing the battery, press AC on the back of the computer. The dealer wants to charge $250 saying they will need to reset the electrical system with the battery change.. is this for real? It’s important you source the right replacement battery. I did this but it didn't work. I took my car to a smog check station and was asked if the battery had been changed. And are there any settings that I have to reset after battery replaced. The first step is to turn off the car. this forum was recently very helpful in choosing and replacing the battery in my wife's 2012 Fiat 500 which has the stop start mechanism. Speed (cadence) sensor (ISC-12) Important. Before attempting to change your car battery yourself, consult your owner’s manual. Battery was dead got old battery checked. 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