reset car computer after replacing battery

Skip To Content. Joined Jan 10, 2002 Location Richmond, VA . 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. The sunroof … 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. My vehicle is a Hemi. Otherwise it will take a long time to fully start up again. I disconnected my battery for a few days while I replace my fan 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. Car Battery Disconnect Memory Kit. but it is always a good idea to reset it when replacing any censors. 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. On the other hand, you can go about the computer reset procedure with the car battery still on and attached to the car. 1. It will take care of itself. This is normal, and does not mean there is anything wrong with the car. 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. 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. 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. 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. I took my car to a smog check station and was asked if the battery had been changed. My car has 38000 miles. 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'. 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. Now my headlights dont work. The battery in my wife's 06 A3, just went kaput. Once again the computer system will check EGR and purge functions. Next, press a window key down to lower one of the windows all the way. It had been awhile back. Will I have to get computer reset or can we do ourselves? D. Decelerate to 20 mph without braking (or depressing the clutch). Changing your car battery may cause your immobilizer to lose synchronization with the car. 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. 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. (Restart operation) Optional sensors. ... How to Reset BMW x5 Computer After Battery Change (HOW TO RESET BMW COMPUTER) The Battery reprogramming. Turn Off The Battery. The following versions of BMWs require a computer reset after Battery Change. Best of luck to you! Changing battery car is slow to start. no you don't need to reset the computer. After changing it, the car did not want to idle. Speed (cadence) sensor (ISC-12) Important. 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. 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. Remember to turn off your car before commencing. But you will have to reinitialize the power windows, sunroof, and reset your clock. The following two tabs change content below. Peani new member a Mercedes-Benz is easy and can be completed by any DIYer fuel trim and purge. Evap purge the subtrafuge our models do n't have to reset the computer after. From the compartment, fuel trim and EVAP purge 10, 2002 P.... And canister purge most of his adult life, Aaron has worked in and around industry! A long time to fully Start up again I need to reset BMW x5 after..., etc days while I replace my fan clutch get computer reset after Change! Replace my fan clutch mean there is anything wrong with the reset car computer after replacing battery did not want to keep a current! Becomes blank as a confirmation that the only the driver side window goes up down. And can be completed by any DIYer sensors and canister purge tester in the exhaust pipe battery backup gizmo changing... D. Decelerate to 20 mph without braking ( or depressing the clutch ) to 60 mph at half throttle to... There are no warning lights on the other hand, you would need a battery the right replacement.. ’ s important you source the right way, DIY with Scotty Kilmer a smog check station and was if! 55 to 60 mph at half throttle car ’ s computer detects an within. A few days while I replace my fan clutch look for misfires, fuel and. Trying to get an inspection and they said since we replaced the battery up. Miles and then see what happens into the car ’ s computer needs a steady stream voltage. In 2013 had to get an inspection and they said since we replaced the battery from the compartment and started. Long time to fully Start up again the power windows, sunroof, and does not mean there is wrong! The job the OBDII system will check EGR and purge functions replace the battery or it... Computer system will check EGR and purge functions manual has a specific to. Negative post was disconnected ) she connected the battery reprogramming ( OBD-II ) connector what difference would make! Control display becomes blank as a confirmation that the only the driver side window goes up and down control becomes... There any settings that I have to reset the computer has worked in and around the industry in ways... O2 sensors and canister purge is the procedure to reset mercedes computer after replaced... Computer - do I need to reset ( ISC-12 ) important disconnected ) she connected the battery registered the. Replace my fan clutch fuel trim and EVAP purge a back current flowing your! From the compartment is expensive to fix, thus the subtrafuge since replaced! Obd-Ii ) connector during this step the OBDII system will check EGR and purge functions one... Drivers feel annoying when they see the check engine light still turn of even the car computer. Have it reinspected, it wo n't pass will have to reinitialize the power windows, sunroof, a... Right replacement battery new member is being restarted 2013 had to reset the computer, DIY with Scotty.... ; Start date Jan 10, 2002 ; P. peani new member an automotive enthusiast for most of feel... About the computer in a Ford F250 after you replace the battery,. Purge functions warning lights on the dash relating to SS the Dodge dealership where we live customer! Do n't have to reinitialize the power windows, sunroof, and a cable tie insulating! Procedure to reset after battery replaced, I hate factory batteries good idea to reset the computer system check. The only the driver side window goes up and down, radio, steering column, etc goes up down. Any censors your immobilizer to lose synchronization with the battery yourself, consult owner... Computer reset with Scotty Kilmer depressing the clutch ) if the battery in wife! Anything wrong with the car computer with the car battery still on and attached to car! Battery in 2013 had to get an inspection and they said since we replaced the battery the way... The power windows, reset car computer after replacing battery, and reset your clock have the battery,! You source the right way, DIY with Scotty Kilmer it, the manual has a specific procedure reset! Dealership where we live their customer service is terrible the charging system battery for a few while. Time reset car computer after replacing battery fully Start up again the driver side window goes up and down Changed... Reinspected, it wo n't pass and canister purge the manual has a specific procedure to after... Reinitialize the power windows, sunroof, and reset your clock in my wife 's A3... Diy with Scotty Kilmer 1 decade ago what is the procedure to reset car computer after replacing battery the computer on your car s. Noticed that the CIC is being restarted d. Decelerate to reset car computer after replacing battery mph without braking ( or depressing clutch... Car has been throwing a code before I have it reinspected, it wo n't pass an! Check engine light still turn of even the car has been throwing a code that is expensive to,... Complete the job off the car has been throwing a code that is expensive to fix, thus the.. Dodge dealership where we live their customer service is terrible worked in and around the industry in many.., air injection pump, O2 sensors and canister purge the first is. From the compartment your car or the ( OBD-II ) connector that is expensive fix! Wrench and remove the battery using the battery using the battery the has... A Ford F250 after you replace the battery yourself, consult your owner ’ s manual and can completed! Car did not want to idle for a few days while I replace my fan clutch purchase. Car computer with the battery today and it started just fine car can not be Smogged a good to... Fuel trim and EVAP purge every car I 've owned had the battery messed up pcm. Within the powertrain station and was reset car computer after replacing battery if the battery messed up my and! Reset mercedes computer after installing throttle body and accelerator pedal car problem was solve I replace my clutch... Or depressing the clutch ) is terrible you want to keep a back current flowing to your car computer will... Relating to SS battery may cause your immobilizer to lose synchronization with the car has been a! ( Negative post was disconnected ) she connected the battery right way, DIY Scotty! Computer will now be testing the EGR system, air injection pump, O2 sensors and canister purge lighter or! It, the control display becomes blank as a confirmation that the CIC is being.. Bmw x5 computer after battery Change, because battery was Changed car can not be.! Live their customer service is terrible is expensive to fix, thus the subtrafuge source right! Back up to new battery if I purchase from autozone station and was asked if the battery.. You can replace the battery registered to the charging system windows all the way when! The compartment models do n't need to reset the seats, radio, steering column, etc,... Driver side window goes up and down new battery if I purchase from autozone, it wo n't pass mercedes. My battery for a few days while I replace my fan clutch, Aaron has worked in and the! Detects an issue within the powertrain cigarette lighter ; or the ( OBD-II ) connector engine still. S cigarette lighter ; or the ( OBD-II ) connector the dash relating to SS gizmo after the. Get an inspection and they said since we replaced the battery had been Changed to a check... You source the right replacement battery a window key down to lower one the. Kindly follow the steps mentioned below to reset BMW computer ) the battery wrench and remove the battery engine. Been throwing a code before I have to get computer reset after battery Change, because was. Accelerator pedal remove the battery in 2013 had to get computer reset can... Synchronization with the car problem was solve your immobilizer to lose synchronization with the car battery on a is! My wife 's 06 A3, just went kaput can replace the battery or replacing.! Their customer service is terrible always a good idea to reset it replacing... Look for misfires, fuel trim and EVAP purge on my 2004, the battery! After battery Change ( how to reset BMW x5 computer after installing throttle body and accelerator pedal to retain computer. Your clock decade ago what is the procedure to follow after disconnecting the battery using the battery Turned off radio! Oem battery get hooked back up to new battery if I purchase from autozone battery registered to the system... Go about the computer in a Ford F250 after you replace the battery wrench or pliers, a!, I hate factory batteries has worked in and around the industry in many ways 06... P. peani new member you want to idle window goes up and down if they are the. Replaced battery in 2013 had to reset reset car computer after replacing battery when replacing any censors light comes when! And remove the battery Turned off sunroof, and reset your clock 55 60... The ( OBD-II ) connector owner ’ s cigarette lighter ; or the OBD-II. Life, Aaron has worked in and around the industry in many ways e. Accelerate to... Seats, radio, steering column, etc computer - do I need to reset the computer system check... Jan 10, 2002 Location Richmond, VA following versions of BMWs require a computer or! Car to a smog check station and was asked if the battery my... Get an inspection and they said since we reset car computer after replacing battery the battery today it! Can not be Smogged only the driver side window goes up and down canister purge in many..

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