Question about 2001 Volvo S80

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Wiring diagram 2001 volvo s80 rear electronic module

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6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 5158 Answers

SOURCE: resetting abs 1999 volvo s80

I presume you don't need to worry about codes for the radio... unhook the battery for about 15 minutes and hook it back up... that should reset it.


Posted on Jan 17, 2009

  • 2049 Answers

SOURCE: "SRS-Airbag Service Urgent" Reset procedures

Some swear this works, others say it doesn't.
If it doesn't, the only other solution appears to be having the dealer reset the code. From what I read, it happens all the time if you do work and don't disconnect the negative on the battery. Try this...

Turn ignition position 1
Press and hold the odometer reset button
Turn ignition to position 2 (continue to hold odometer reset button)
After the Service Light flashes, release the reset button.
Tip: Do not wait for the light to stop flashing. Release the reset button within 5 seconds from the beginning of flashing. this should reset the service light. you must be in t1 for the reset to work it will not reset in t2 mode.

Posted on Sep 10, 2009

  • 66 Answers

SOURCE: 2001 Volvo S80 2.9L air conditioner stops cooling

This could be one of many problems so it's probably best checked by someone with the correct tools and knowledge.

That being said,

With your engine cold, open your hood and start your car. Check to see if your cooling fan is engaged, take note of its speed if it is. Then turn on your AC and listen for the compressor clutch to engage. once you hear it, check to see that your cooling fan is blowing, if it wasn't before. The fan should be on and in high speed whenever your AC is on, whether the engine is hot or not. If it is not, then the reason for losing cold air is that, due to the lack of being properly cooled, your freon pressure is getting too high and is causing the compressor to turn off.

If the fan is blowing as it should be, you may have a faulty compressor or the clutch on it may need to be shimmed.

Another culprit could be that your system is low on freon or the switch that senses the pressure is faulty.

And yet another culprit could be a faulty relay that is overheating and shorting out.

Sorry I couldn't give you a difinitive answer as to what the problem is, but without diagnosing it myself, this is the best I give you.

Good luck!!

Posted on Jun 18, 2010

  • 4 Answers

SOURCE: i have a 2001 volvo s80 t6 the check engine light

most likely the dealer. unless you have a vag com (for VW n Audi) system or similar system to what the volvo dealers use to check for engine codes

Posted on Jul 03, 2010

  • 36 Answers

SOURCE: 2001 Volvo S80 T6 "Engine System Service Required"

Hold down the odometer reset button, turn the ignition key to position 1 for 1-2 sec. Then, turn the key to position 2 still holding the button down. Wait for the service light to flash and release the button. It can be tricky. It may take a few times to get it.

Posted on Sep 02, 2010

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In my 2001 volvo s80 are there any control modules in my rear view mirror

Yes the S80/S60 and post 2001 V70 series cars have auto dimming mirrors which have a module designed to be programmed at a dealer when replaced. If you can read the car with Vida/Dice you can look in the Network settings to see the software version number. Only modules with a matching version number can be interchanged. If you care to browse Mattews Volvo Site you can find a repair method for this type of mirror by using the glass section from another mirror while retianiing the original controller board.

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Typically this means the gear selector module is faulty.

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2001 Volvo s80 /sunroof not working. Have no schematic or wiring diagram! Have found module that powers motor. Hot wired motor, by bypassing control module and switch. Worked fine back and forward. The...

It is not likely to be the sunroof at all. Check the battery in the alarm as if low voltage it will stop the sun roof from working!
Why .. no idea!!
Got caught on that with my V70, same year.

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Sep 13, 2009 | 2001 Volvo S80

1 Answer

S80 electrical issues

Sounds like the rear electronic module is malfunctioning. How do you get the trunk open to find out the light is not working? The REM controls all of the functions you describe in your post. If you can get the trunk open then to this:

Disconnect the positive and negative cables from the battery and touch them together for at least 5 minutes. Don't worry, you will not be doing any damage to the car or yourself. Place the cables back onto the battery and then lock and unlock the car. See what happens. If it works then your rear electronic module (REM) needs a software upgrade at your Volvo dealer, about $120 USD.

Hope this helps.

Jan 21, 2009 | 2000 Volvo S80

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2001 Volvo S80 New control computer is messing up

I had a problem with my ambient air temperature sensor and the passenger side door lock. I was told that I needed a control module and that my battery was bad. When I replaced the battery, the module reset and everything started working again. Try disconnecting the positive cable from your battery and or having it checked at a local auto parts store.

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Low beams and back door locks S80 2001

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Jul 30, 2008 | 2001 Volvo S80

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