2000 Volvo S80 Dash lights on for ABS, STC, check engine

2000 VOLVO S80
140,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CSCHMUTZ
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I just bought this car a few weeks ago, and the abs, STC and check engine lights are on.

The check engine goes off if I put premium in.

The abs goes off sometime when turning.

STC, intermittent.
May 31, 2009 at 2:45 PM
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JIS001
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The check engine light may be related to the ABS light. Code will most likey be related to the ABS code. Do you have some sorte of warranty on your car? You should take it back and have them fix it for you? Can you get the Engine and brake control modules scanned for codes as well and post them on here?
May 31, 2009 at 9:35 PM
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CSCHMUTZ
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IT's not new, no warranty.
I had the codes scanned, says vacuum leak, so replaced the gas cap, waiting a couple days to see if it clears.

ABS, on the road not working, light in dash is right. Local shops don't have scan software for Volvo's. Last resort is Volvo dealer.$$$$ Unless someone can help.
Jun 1, 2009 at 12:41 PM
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JIS001
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Sounds like you will need to go to Volvo. Need to know the ABS code?
Jun 1, 2009 at 4:32 PM
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CSCHMUTZ
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I read it requires the ABS module to be replaced 99% of the time. There is a website where a guy rebuilds them for $125-, is this a reputable way to go?
Jun 4, 2009 at 6:30 PM
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JIS001
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And 1% it could be a bad wheel sensor, hub, or axle? Maybe corrosion in the terminals? But it is hard to say at this point? Having it rebuilt sounds cheaper then replacing the module?
Jun 4, 2009 at 7:27 PM