1999 Volvo V70XC Cruise Control not working

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MrCRocks
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Year and Model: V70XC Wagon, 1999
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1999 Volvo V70XC Cruise Control not working

Postby MrCRocks » Sun Aug 25, 2013 8:18 pm

Greetings,
Volvo car newbie here. :D

I purchased this car used and have found that the cruise control will not work. I have tried many options and have always made sure to have the cruise control switch to the on position. Fuses have been checked, but no luck.

Any advice? Also, it does have the ETS (electronic throttle system) warning light on. I have done my research and know that this is the first year that Volvo switched to an electronic throttle, but I didn't know if maybe those two went hand in hand.

Thanks in advance,
Cody

Ozark Lee
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Re: 1999 Volvo V70XC Cruise Control not working

Postby Ozark Lee » Sun Aug 25, 2013 8:21 pm

Any error on the ETS will disable the cruise. If you fix the ETS the cruise should come back on its own.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
'98 S70 T5
'99 V70XC - RIP - Wrecked Parts Car.
'99 V70XC - Nautic Blue
Previous:
'96 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

MrCRocks
Posts: 4
Joined: Sun Aug 25, 2013 8:05 pm
Year and Model: V70XC Wagon, 1999
Location: Georgia

Re: 1999 Volvo V70XC Cruise Control not working

Postby MrCRocks » Sun Aug 25, 2013 8:24 pm

Gotcha. Will the cruise control cause the ETS light to be on because it isn't working?

As I said, I have done the research on the ETS and do not have any symptoms of a malfunctioning ETS.

Just trying to rule out every little thing before shelling out the $400 part from Volvo.

Ozark Lee
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Re: 1999 Volvo V70XC Cruise Control not working

Postby Ozark Lee » Sun Aug 25, 2013 8:40 pm

The cruise won't cause an Electronic Throttle Module problem, it is the other way around. Scanning the ETM is more than the average scanner can do but the same thing seem to go wrong with all of them. Is your ETM a white sticker or a yellow sticker version?

If it is a white sticker then you are doomed anyway. If it is a yellow sticker you might be able to get things back to normal with a software upgrade. Sadly, the only option for the software upgrade is a dealership.

It might be worth a call to your dealer to get the prices to get the car scanned and then the software update if they think it will fix the problem. If you try to do things one at a time it will eat you alive in labor charges since they seem to think it takes an hour to scan it and, if you bring it back in, another hour to update the software. In reality, I think pressing the enter key twice instead of just once can actually be accomplished in one hour.

The real fix is the xemodex modification which, although somewhat difficult, can be done DIY if you are good with a soldering iron.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
'98 S70 T5
'99 V70XC - RIP - Wrecked Parts Car.
'99 V70XC - Nautic Blue
Previous:
'96 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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precopster
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Re: 1999 Volvo V70XC Cruise Control not working

Postby precopster » Sun Aug 25, 2013 9:43 pm

The disabled cruise is a safety feature which makes sense.

If the throttle is behaving/reading its position unpredictably you want some manual control.

As Ozark said white sticker means it's the one Volvo placed on the car in '99.
Yellow sticker means upgraded.

I perform the contactless upgrade here in Australia and I can tell you the white and yellow ETMs are identical in construction apart from what appears to be thicker reading films on yellow stickered ETMs. Also the sweeping brushes are meant to be softer on the yellows.

Most of the white stickered ETMs can be repaired with contactless however at this age BOTH endcaps are removed and all clearances between magnet and armature are checked. This adds another hour to the upgrade. The magnet or armature expand with time and many of them bind. The only way to test this is to operate the throttle plate by hand; not an easy thing to do on a turbo.
Current cars: 2000 V70 non turbo, 1998 V70R AWD, 2001 V70 XC project, 2001 V70 T5, 2002 XC70

What we used to own:1995 850 sedan, 1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike

MrCRocks
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Joined: Sun Aug 25, 2013 8:05 pm
Year and Model: V70XC Wagon, 1999
Location: Georgia

Re: 1999 Volvo V70XC Cruise Control not working

Postby MrCRocks » Mon Aug 26, 2013 1:11 am

Thanks for the information! I have found a pretty good Volvo mechanic in the area and will get him to check it out.

I did read up on the xEmodex and it seems like that fixed the issue for a lot of people, but I wouldn't want to spend the money and it still not be fixed.

wheelsup
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Re: 1999 Volvo V70XC Cruise Control not working

Postby wheelsup » Mon Aug 26, 2013 2:26 am

If you are keeping the car for the long term get the contactless ETM, it's a no brainer.
1995 850 GLT Wagon w/ 185,000 miles

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precopster
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Re: 1999 Volvo V70XC Cruise Control not working

Postby precopster » Mon Aug 26, 2013 4:31 am

Could be as simple as a brake or accelerator position sensor costing far less. These also fire the ETS light.

Have the car scanned for codes which your mechanic will do
Current cars: 2000 V70 non turbo, 1998 V70R AWD, 2001 V70 XC project, 2001 V70 T5, 2002 XC70

What we used to own:1995 850 sedan, 1987 740 sedan, 2002 S60AWD, 1989 740 turbo wagon, 1985 760 V6, 1995 850 wagon, 1999 V70 project car.

In forum posts please call me Mike

MrCRocks
Posts: 4
Joined: Sun Aug 25, 2013 8:05 pm
Year and Model: V70XC Wagon, 1999
Location: Georgia

Re: 1999 Volvo V70XC Cruise Control not working

Postby MrCRocks » Mon Aug 26, 2013 11:35 pm

precopster wrote:Could be as simple as a brake or accelerator position sensor costing far less. These also fire the ETS light.

Have the car scanned for codes which your mechanic will do


Absolutely. He took the car for a spin and said he felt hesitation a few time, but I have yet to experience it. I am continuing to drive the car daily and am really enjoying the Volvo luxury! :D


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