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99 V70 ABS Module Plug -Intermittent Speedo & Odometer HELP

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

99 V70 ABS Module Plug -Intermittent Speedo & Odometer HELP

Postby rennspeed » 10 Nov 2009, 19:45

This question is in regards to my 1999 V70R AWD

I just removed my ABS module from my 1999 V70R AWD, so I could replace it with what "I THOUGHT" was a good unit. (At the time my ABS and Traction Control lights were illuminated on my instrument cluster)

After reinstalling it...Not only do I have the ABS/Traction control light on, the (red) BRAKE light is also illuminated.

As a nifty side effect the odometer, and speedo are now intermittent. (Sometimes they work, some times they don't)

What I do know is that when I push on the top of the plug to the ABS module the Speedo and Odometer start functioning again, and the BRAKE light vanishes.

I have inspected all of the pins to the plug, and everything looks perfect.

Any and all advice or shared personal experience would be appreciated.
rennspeed
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Model and Year: 2000 V70

Re: 99 V70 ABS Module Plug -Intermittent Speedo & Odometer HELP

Postby Japedo » 10 Nov 2009, 19:55

well it sounds like a bad connection if pushing on it eliminates the issue. Ive never had issues of that sort, hopefully someone else will have something helpfull to add. "Temporarily cover the lights with black electrical tape! :lol: "jk

good luck
2003 v70 2.5tawd black/black 120miles
2007 nissan altima 2.5 cvt 107miles
2001 xc70 211 miles " collision"/ parts car
1994 850 turbo 315miles 5 speed "stoped fixing it"
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Re: 99 V70 ABS Module Plug -Intermittent Speedo & Odometer HELP

Postby Ozark Lee » 10 Nov 2009, 20:38

Double check that the connector is firmly seated into the socket. That socket has a somewhat strange design and if the ears on the hood don't fully grasp the pins it will not fully seat. It will look OK and not really be fully plugged in.

Beyond that it is a bad module.

...Lee
'94 850 N/A
'96 850 N/A
'96 Platinum Edition Turbo
'98 S70 T5
'99 V70XC - RIP Killed by a drunk driver.
'99 V70XC - Nautic Blue
Previous: 1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe
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Re: 99 V70 ABS Module Plug -Intermittent Speedo & Odometer HELP

Postby rennspeed » 13 Nov 2009, 20:37

Ozark,

upon closer inspection one of dual sliding pins on the hood of the cover was snapped.

I have a few spares laying around so that should do the trick.

Thank you for the heads up.
rennspeed
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Location: Pacific NW
Model and Year: 2000 V70


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