Trump now the ‘mayor’ of Mar-a-Lago, lawyer claims, Searing analogy counters Trump's free speech defense, NBA player will be going to jail after season, Brand formerly known as Aunt Jemima gets new name, Group 'outraged' by American Girl doll with gay aunts, Bruce Springsteen arrested for DWI in November, Kidnapped girl, 10, saved by sanitation workers, NBA team won't play national anthem before games, Why more thieves want your car's catalytic converter, Spears says she's taking time to 'be a normal person', 3 people stranded on island for 33 days rescued. I know this is an old thread, but alternator can absolutely cause transmission and gauge problems. The microprocessors are given information from the all the sensors. Could be. If the alternator fails, all the accessories like headlights, air conditioning and most importantly, the car ignition system will eventually fail. You need to get this fixed ASAP. I've been finding similar cases online where a low battery or a bad alternator caused similar transmission problems. 6. Start with the simple stuff: take your car to a parts store to have the battery and alternator tested. This condition can also be caused by low transmission fluid, contamination due to lack of maintenance or water intrusion, or internal wear and tear on the transmission parts inside the transmission. If the battery has corroded and the connections are starting to die, this may not shut the vehicle down, but can instead cause transmission problems off and on. Can the Alternator Cause Transmission Problems? At first, my transmission wouldn't go into gear. Yet, there are many other reasons that cause trouble when shifting gears. Alternators have several important moving parts. Electronic transmissions are computer controlled, the computer requires a minimum voltage to operate. A bad battery, a bad alternator and other electrical problems can send inadequate voltage to you Transmission Control Module causing your engine/transmission or both to act crazy. Your alternator is your vehicle’s main source of electrical power, so electrical problems can be traced directly to a bad alternator. Here is a listing of bad alternator symptoms, which will provide you with an advance warning of alternator failure. Transmission oil/fluid that is low, dirty or the wrong fluid can also cause this problem in manual transmissions. Then another mechanic blamed the alternator. Willze D I'm an Artist, Father, and Lover of ye Land Rover Discovery The odds are that, unless you have one of a very few cars, your power steering is hydraulic, not electric. Then on the freeway the rpms went up and the car was shifting to lower gear. A shift interlock solenoid is one. Once the alternator stops working, so do all of the electrical systems required to keep a car going. Also the alternator bushings can go bad, which can mess with it’s geometry causing odd noises. with all the transmission sensors they have to have juice before they will work right and once the battery dies then no juice goes to the electrical sensors ! Bad alternator caused the computer to malfunction which caused the solenoids on the transmission to malfunction causing unusually quick wear on the clutches. Inside an alternator are bearings critical to … Alternators don’t always go bad in the exact same way. Symptoms: When waiting on red light the speedometer showed 20mph. see video on repairing saturn not going into park. A weak battery or low battery voltage can cause the transmission to enter into fail safe mode. Can send unwanted power through the system 3 days force behind the mechanism of an Automatic transmission may get on. Be smoke or odor work right your charging system falls below this minimum voltage the! 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