Question about 2006 BMW 7 Series

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Replaced alternator , replace battery and had reset, replaced transmission and now getting transmission fault with no check engine light. Whats up with that?

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  • 377 Answers

Go to auto zone and have this read free ,,it will show you exactly what this is in seconds and save you a bunch of guessing and a heap of cash

Posted on Oct 22, 2013

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Posted on Jan 02, 2017

SOURCE: battary light on , engine cut off car won't crank

sounds like it's your alternator, your alternator charges your battery and runs car once it is started. if you have a bad alternator your battery light will come on, and shortly after your vehicle will die, unable to restart without a jump. I would take your battery to autozone or an auto shop to have your battery and alternator tested.

Posted on Jan 28, 2009

  • 190 Answers

SOURCE: 1999 bmw 528i replaced battery and alternator

Replace your battery when its being tested there not testing it under a heavy enough load. A battery could have a dead cell in it and still show good on the charger. I've had that problem a few times.

Posted on Jul 07, 2009

  • 10 Answers

SOURCE: how to reset the check engine light?

go to autozone have them scan then ask them to let you press the button to clear all codes. for legal reasons they cant do it themselves. or you can purchase the scan tool which is about 60 and has instructions on clearing codes with it.

most codes go away on their own when the problem is resolved. it is possible that you have not corrected your issue yet and its possible that it may reoccur

oh and if this is not an obd2 vehicle(pre 1996) then just disconnect the battery for a little while and all codes should clear, or there will be jumper instructions in the manual for clearing all codes

Posted on Sep 17, 2009

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SOURCE: Battery replaced but alternator. not charging.

the voltage regulator in the alternator is bad have it tested at a parts store

Posted on May 19, 2010

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How can you tell if a new gearbox is needed other than a Ecu which has been replaced


have the fault codes read first
if the car is moving in limp mode with no obvious noises or problems , replacement of the box is a total last resort
light on the dash and limp mode can be transmission or engine or both but the fault codes will show the problem area
The ECU -- engine control unit or ECM --engine control module gets messages from the transmission control module ---TCM--and that TCM controls solenoids and servos , vss and other items that if faulty will put the car in limp mode
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What is year--make--model of vehicle? I'd check alternator connections to and from alternator. Check battery and battery connections. Check for charging system trouble codes, see if any?

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My daughters 2000 2.4L Cavalier won't start.


The following are the general instructions on the start of diagnosing any electronically controlled engine or transmission problem.

The engine and the automatic transmission (transmission control is only for automatics, engine is still computer controlled no matter the transmission type) in this vehicle are computer controlled and in most cases when a fault occurs a fault code is stored in the memory of the computer control module. There are exception to this, such as the Mass Airflow Meter and fuel pressure problems. What must be done is to have all the basic testing done such as a scan of the system for fault codes as well as a check with a live data scanner tool for engine functions that are not within range of normal, a trained technician is required to know what is correct and what isn't, then based on careful diagnostics done from a factory repair manual the correct part is replaced or the wiring repaired or the computer replaced (known as the PCM or ECM,ECU), which is very rarely the problem. Other basic checks must be done as well such as mechanical problems with the engine as well as engine state of tune and mileage on the engine. The transmission can have mechanical issues as well such as no gear engagement at all or a failed pump or other pressure related problems. Also engine mechanical problems can and do cause many drive-ability related problem such as rough idle and other symptoms.

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1 Answer

Replaced battery and alternator in our 2001 ford windstar, the battery light remains on, took it back to the shop that fixed it and they said everything checked out ok. could the computer need to be


There is no "reset" of the computer that is going to fix a battery light flashing on and off. There is a problem with your charging system that needs to be diagnosed. The computer network should first be scanned for any possible fault codes. If there are no fault codes present, then I would probably replace the alternator again. I get junk remanufactured alternators all the time (it seems there just isn't any quality out there anymore - too much stuff being exported just so greedy businessmen can have children clean them up, stick them in a box and ship them back). There have been some that I have had to replace 3 or 4 times before I finally got a good one.

Apr 12, 2012 | 2001 Ford Windstar

1 Answer

90' Cadillac brougham digital dash going haywire then engine dies no restart.


big draw on battery ,,, get second check on alternator ,,,, then use ammmeter to see whats taking all the power from system

Feb 14, 2012 | 1990 Cadillac Brougham

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My 94 lexus es 300 the engine light stays on n sometimes my battery light comes on wat does tat mean


Hi, the engine light is indicating that the computer has detected a fault. You will have to extract the trouble code to determine the fault. Go here for instructions on diagnostics: http://www.clublexus.com/forums/es300-and-es330/324049-obd1-check-engine-light-codes.html
Please get back to me with the results/trouble code for assistance in resolving the fault.

The battery light may be indicating a weak alternator. Check the voltage at the battery with the engine idling. If the voltage is less than 14 volts, replace the alternator.

Mar 16, 2011 | Lexus ES Cars & Trucks

1 Answer

I replaced battery first,...... then alternator on 2005 Focus. altenator was a bear to replace,.....still have(red) battery warning light,....... Thinking wiring,..corrosion...or tension pully is...


the alternator is a doodle to change ,when you know how ?? was it a new recon unit or a secondhand scrapyard job---- check for power to teh large terminal the start engine and disconnect neg battery terminal if engine stops alternator fault ,if engine keep running but red light still on then its warning light control fault which is built into alternator so change alternator .

Sep 15, 2010 | 2000 Ford Focus

1 Answer

I had a small leak and a mechanic told me just to get some "seal it" I did and the leak went away for 1 week. This morning... My battery light came on and stayed on as well as my abs light and the leak is...


DID NOT MENTION WHATS LEAKING.BUT YOU NEED TO REPLACE OR FIX WHATS LEAKING PATCHING UP NOT GOING TO FIX.BATTERY LIGHT MOST LIKELY ALTERNATOR NOT CHARGING OR DRIVE BELT SLIPPING DUE TO COOLANT LEAK FROM WATER PUMP OR BAD BELT TENSIONER..CHECK ALTERNATOR OUT PUT WITH ENGINE RUNNING.HOOK DIGITAL VOLT METER TO BATTERY.VOLTAGE SHOULD BE 13.5 - 14.5 VOLTS.IF NOT CHECK ALTERNATOR FUSE AND WIRES MAKE NONE LOOSE OR DAMAGE.ALSO MAKE SURE BATTERY CABLES IS ON TIGHT.FREE FROM CORROSION.

Jun 26, 2010 | 1999 Oldsmobile Alero

1 Answer

I have a 2004 Mazda 6 with the 2.3 liter engine. I have replaced the altenator 4 times and the battery twice because the battery light comes on and the transmission shifts to the 3rd gear. When the...


Could be a eloctronics fault! Have a reputable autolect.shop do a diagnostics check, alternativ solution fit a Bosch replacement alternator.
Regards
Phillip

Sep 12, 2009 | 2004 Mazda 6

3 Answers

Engine light 2006 pontiac g6(reset)


first be sure that its the engine light and not the "service" light. the service light will usually illuminate if its time for an oil change. if its the service light ur owners manual should tell u how to reset it. if its ur engine light then try disconnecting ur positive battery cable for 1 minute. that should reset ur ecm and get rid of the engine light. if the engine light comes back on then have a diagnostic scan done to determine whats causing it. LJ

Dec 29, 2008 | 2006 Pontiac G6

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