Car batteries can (and do) fail on their own. Willze D I'm an Artist, Father, and Lover of ye Land Rover Discovery Had a 1998 LRD 50th Ed. There are different signs you can look for in the event of an electrical sy. When … A transmission shop said the whole transmission has to be refurbished for 1500$. Sign in to reply. stem malfunction or failure – some problems are bigger than others. I have an Oldsmobile Cutlass GLS and was wondering can A bad or weak battery cause problems on a car? In my case real culprit turned out to be my blower motor resistor, which I knew was going bad. If the battery voltage drops below 10 volts for any amount of time during the cranking process, the computer modules can basically go stupid and will not function properly. Also, I never saw one bolted together. A bad electrical ground may affect one or more electrical systems because it forces current to search for other easy paths back to battery ground. Often times shifting problems are caused by a battery that has lost its “juice” or charge. Car has no power This video demonstrates the electrical problems we had in our 2011 Tahoe. Here is a more detailed list of the most 6 common symptoms of a bad ground strap. The shifting hard problem can persist even after replacing the fuel filter and pressure control solenoids. Auto computers collect most of their information based on resistance readings. Or by corroded battery terminals and cables. stevieray1 on May 05, 2015. a weak or dead battery can/will cause problems anywhere on the vehicle.have it charged or replaced. So, to answer the question, yes it can cause issues with everything. If it does go off, at least you know you can safely drive it somewhere with enough power going to the engine. Transmission Fluid Level Checking transmission fluid level . There still may be some mechanical issues as with anything around 5 years old, depending on usage and … Corrosion on battery terminals Another symptom of a bad or failing cable is the presence of corrosion on the terminals. As my car was getting close to its last legs the shifts from one gear to the other as I was driving became harsher. A bad ground wire can cause a lot of strange symptoms with your car’s electrical system. Low battery voltage can also cause the transmission to not go into Drive or Reverse. Alternators don’t always go bad in the exact same way. Then another mechanic blamed the alternator. Related: Signs Your Battery Needs to Be Replaced . Solenoid malfunctions may be the result of electrical problems. it is straight forward to test the battery / alternator and if your battery is suspect, it is not a huge investment to replace. With all that said, you can still find reliability problems with a CVT transmission. Comment; Flag; More. pushrod on May 05, 2015. In most cases this type of symptom is... Read more Not getting smooth shifts anymore but the transmission works. 4 Signs Your Transmission is Failing. Battery Replacement ... Hi Brittany. Every single make and model of car has a battery, and this battery does a lot more work than you may initially realize. A bad alternator can leave your Dodge Ram without power and unable to move. Thanks for contacting us today. Shifting is rough. Yes, a weak or failing battery will affect the transmission shifting. Stalling or Difficulty Starting In short, the answer is yes, a bad car battery can cause electrical problems. If there were no trouble codes for the trans, I feel, like you, it is an electrical issue. If the fuel sensor is not working on your Nissan, it may or may not be the cause of the acceleration problems you are having. The most common symptoms of a bad ground strap is flickering lights, charging problems, low voltage, and starting problems. You headlights will do the same thing as the starter, but will likely dim instead of dying outright. Here is a perfect example. When you think about it as electrical system voltage starts to get to low, electronics start acting weird. I thought my transmission was done. Sometimes, it happens when the engine is cold and you try to kick it off right away without warming up first. A transmission hitch means the engine has to work harder when crossing some rough tracks or getting up a mountainous road. Corrosion develops as a result of the acidic vapor produced by the battery when it becomes hot from exposure to the heat of engine operation. Also, check to make … Over time, the vapor can begin to corrode the terminal and cause corrosion to build up. Flickering headlights Fixed my problem I had this problem for months, but only on long drives. One of the notable signs of a bad transmission control module is lower fuel economy. I didn't have any power AT ALL to even restart the car or turn the four ways on. Want Answer 0. Struggling with Fuel Efficiency. I 'm wondering if an older Disco Alternator can be used . If you have reason to believe that your alternator is not charging the battery all the way, and you are out and about, see if turning off all of the accessories (including climate control) and lights that you safely can gets the warning light to turn off. Clicking this will make more experts see the question and we will remind you when it gets answered. Some cars are much more sensitive than others. A poor battery or dirty battery cables can absolutely cause a car to run poorly, sometimes in very odd ways. Bad grounds can cause one or more circuits to come alive when they shouldn't, for example, lights that illuminate on their own, even when the switch is off. Can a bad alternator cause transmission problems on a 2001 Land Rover Disco 151,060 miles the truck cranks and drives- but won't shift into 3rd? Have the transmission scanned by qualified mechanic!!.. They read resistance by sending a low voltage signal to the sensor, and counting how long it takes for the signal to charge a capacitor in the computer up to some threshold … If you find yourself jumpstarting your car frequently or your battery dies, be sure to have your alternator checked. I recommend replacing it. Let's take a look at the most common problems that cause limp mode. However, a bad alternator can cause your car battery to drain and not be recharged. This (older) non maintenence free battery was low on acid. Here are a few reasons and solutions for transmission shifting hard from 1 st to 2 nd: Dirty Transmission Fluid. low voltage (usually from a bad alternator rather than battery) can cause transmission issues, but typically this would be associated with a failsafe warning. If your vehicle feels like it’s trying to change gears on it’s own and you can’t stop it, that’s a classic sign of a bad transmission. I have had a few problems with my car stalling out randomly over the past two days. If you have a bad car battery, that is a fairly easy fix, but you could have other problems that are limiting your car battery from creating the desired amount of voltage. Instead of shutting off the engine completely and leaving you stranded, this calibration allows the driver to carefully “limp home”, or drive to the mechanic for a diagnosis and repair. We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy). That is an interesting question. One of the most common problems that put a vehicle in limp mode is the low transmission fluid level. A buzzing could also come from a bad internal sealing surface, a seal, or low transmission fluid due to a leak. If you are experiencing shifting problems with your transmission i.e. Funky transmission shifts (in AT) Unexplained drop in fuel economy, and other computer related issues. This may or may not be the case with xenon arc HID headlights, where a drop in input voltage may fail to initiate the lighting arc altogether. Causes of an Electrical System Problem. Any wiring or component between the solenoid and the transmission control unit (TCU) can theoretically cause a shift solenoid malfunction. Why does the auto transmission behave this way? So before you throw out your current car battery and get a new one, you or a professional should run a battery test on it before … If your vehicle goes in limp mode intermittently but then drives fine if you restart the car, check the transmission fluid level. My vehicle (1999 Kia Sephia, 137000 miles) has had the brake and the battery indicator lights on, which from what I have read indicate an alternator problem. Re: Can driving on low battery due to a bad alternator cause transmission problems? Can a low battery cause a transmission fault symbol to occure 2006 750li BMW . Today I was driving and the whole car shutdown IN THE MIDDLE OF A ROAD!!! 1. about 10cc per fill hole. Often the transmission issue may be due to a problem with the first gear only. 1st Gear Issue. it is hard to get into gear or it is shifting hard there may be a very simple solution to this problem. An electrical circuit needs a good ground to function correctly. 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