Question about 2003 Volvo S80
2003 Volvo s80 dashboard clock keeps running and the outside temp gauge is never correct. Is there a way to fix and or repair?
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Posted on Jan 02, 2017
SOURCE: volvo s80 dashboard fault
I recently purchased a 2002 S60 D5 which had this problem. I am not a Volvo expert so don't know if it could be the same fault, but it sounds identical. No lights, gauges etc, but intermittently and very briefly comes on. Having heard some silly prices for replacement dash and ECU, I had a look. I found 4 poor soldered joints on the dash circuit board (top left processor & heat sink). I cleaned them and re-soldered them, although I had continuity just after cleaning the corrosion. The dashboard has worked perfectly since (3 weeks) . If you try this make sure you disconnect the battery first or you may have the SRS airbag warning light on! (I had to have it re-set at the dealers!!)
The whole process took less than an hour. If you are not electronically savvi get one of your mates who is to have a look..
Posted on Apr 21, 2009
you will need new sending unit you have 2 left and right you will need a scan tool and one is not working right most the time is left side sending unit bad not working it can be replaced from inside
Posted on Aug 18, 2009
On my 2002 S80 T6, the problem is the brake booster diaphragm position sensor's failure (Volvo 2002 S80 T6 part #31261486--other years, models might be different). This is essentially a piston-driven potentiometer that tells the cruise control system when you've applied the brakes, signaling it to switch off control of the throttle. It's mounted on the back of the brake booster with a wire circlip. It's not easy to get at, and I had to remove the cross-brace between the shock mounts to get at it more easily. The part's about $90 from online parts sources, more at the dealer, plus my dealer wanted a king's ransom to install, $400, parts and labor! While not easy to get to, it's fairly easy to replace--just BE SURE to pump the brakes a lot, engine off, before removing it so that residual booster vacuum won't **** the rubber o-ring around the sensor's cylindrical body into the booster chamber. Hardest, most aggravating part is removing and replacing that steel circlip that holds the sensor in place. Dropping that little steel band into the back of the engine bay kicks off a whole new adventure!
Posted on Dec 05, 2009
SOURCE: volvo s80 dashboard fault
This is a known problem although Volvo will not admit it. The dash needs to come out (10 min job) and sent away for a simple repair. Total cost is about £150 but you will need to get the SRS warning that will be showing in the LED message display cancelled by a Volvo dealer after the dash has come back. Don't try a scrapyard dashboard the ECUs have IP addresses. I used a company in Kent to do the repair. Get onto Google there may be a repairer more local.
Posted on May 09, 2010
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