Question about 2007 Volvo C70

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2010 low voltage key battery light on

Can I fix it myself

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  • 405 Answers

Yes. You just need to replace the battery inside the remote.

Posted on Jan 30, 2015

  • mr-fix
    mr-fix Feb 01, 2015

    Here's how:



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Posted on Jan 02, 2017


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You may be experiencing too low of a voltage from your alternator. Your battery will also not charge properly. I would recommend you have the alternator checked first. Low voltage in present day cars can certainly manifest as strange functions as you describe.

Jan 01, 2018 | Ford Cars & Trucks

2 Answers

2010 Cadillac dts the cruse control don't work sometimes and the brake lights don't turn off and the switch key will not come out ,other times it works normal

The crusie control not working would be caused by brake lights being on same as for the key not coming out . You need to test the brake pedal position sensor . The brake pedal position sensor is under the dash hooked to the brake pedal arm . You need a wiring diagram to tell which wires are what . The pedal position sensor isn't like brake light switch from years past , it's an input for the BCM - body control module .There is three wires at the switch , 5 volt ref. , ground and signal . All go to theBCM . You could have a sensor problem , problem with the BCM . There could be DTC'S - diagnostic trouble codes stored in the BCM .
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The body control module (BCM) provides a 5-volt reference voltage and low reference to the brake pedal position sensor. The position sensor provides an analog voltage signal back to the BCM that will increase as the brake pedal is applied. When the brake pedal is applied, the BCM will then apply battery voltage to the left and right stop/turn signal lamp supply voltage circuits and the center high mounted stop lamp (CHMSL) supply voltage circuit illuminating the stop lamps. At the same time the BCM applies battery voltage through the signal circuit to the transmission control module (TCM) and the engine control module (ECM) indicating that the brakes are applied.

Your best bet would bet to take it to qualified repair shop

Jan 04, 2017 | 2010 Cadillac DTS

2 Answers

Code u7300 in my 2010 equinox what is the cause and how to fix it?

This code refers to a communications lost problem on the CAN line. The electronic control module is missing communication from one or more other modules. It can be set when replacing a battery or low battery voltage is present ( running accessories with key on engine off ). It can also set from poor/loose connections. Have the code cleared and see if it returns. If it does, further diagnostics will be required to effectively diagnose it

Jul 28, 2015 | Cars & Trucks

1 Answer

My 2010 jeep wrangler unlimited sport won't shift

check battery, does engine start.
do the head lights work keys in pocket?
battery voltage is 12.6v, rested, is it? key off.? all things off.

wiper run key off? or on?
park lock out, is a whole other matter.
1st is battery , always. 1st, (they can discharge)

Sep 21, 2014 | 2010 Jeep Wrangler

1 Answer

2006 vw new beetle tdi wont start or even try to crank. gage lights are on.

1. Could be faulty key/flat key battery not disabling the security system
Solution - Try your spare key and see if that works

2. Could be low battery - check battery voltage (Lights are LED and will run on super low voltages)

3. Ignition switch failures are super common on VW's. But you need to check the other 2 first.

Feb 13, 2014 | Volkswagen Beetle Cars & Trucks

2 Answers

Battery wont charge, battery/ABS/SRS/BRAKE lights come on while driving and flicker. voltage increases to dash lights/fan speed/headlights periodically.

Get a volt meter, start your car and see how many volts your car is producing while running. Should be around 14 volts. May want to watch the meter for a while since your electric seems to fluctuate. Most voltage regulators are internal of your alternator. If you are getting a lot more or less than 14 volts while running, replace the alternator. If it is not charging, voltage will drop as vehicle runs, until battery is dead.

Dec 12, 2013 | Cars & Trucks

1 Answer

My 2010 Lincoln MKZ Doesn't turn over its making a loud clicking from engine bay when key is turned. displays "check brake system"...Can you me please I need to get to work

No one can answer that

You need to check to see if the battery is any good
You then need to check for codes as you have a check
light of some kind light & that procedure I would hope
you aware of has been with us for over 30 years

To have a click would usually indicate a fail starter
The Brake issue light could be as I said low battery
voltage & unrelated & not a problem

Seldom can asking a question in a form like this help
unless you work on your own vehicle & have some knowledge
& decades of experience

Your asking someone to guess without a vehicle to drive or test
That can't be done ever

Aug 27, 2013 | 2010 Lincoln MKZ

1 Answer

When I try the key the car won't start. The code reads 00532, low voltage, will replacing the voltage regulator on the altenator fix the problem. There were not issues prior to this happening. now the...

Almost positive the voltage regulator on a B5 Passat is built into the alternator, so you would have to replaced the whole alternator.
It could definitely also be the battery too. How old is the battery?

Jul 11, 2009 | 2001 Volkswagen Passat

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