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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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V70 XC Cruise Control not workingViews : 744 Replies : 9Users Viewing This Thread : |
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May 23rd, 2020, 11:06 | #1 |
Junior Member
Last Online: Aug 17th, 2020 11:57
Join Date: Aug 2013
Location: Kingston-upon-Thames
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V70 XC Cruise Control not working
Hi all
I recently picked up a 2002 V70 XC 2.4t manual which I’m doing up a bit. Cruise control was working at first but in the last couple of weeks has been playing up. The cruise control light comes on on the dash when activated with the steering CRUISE button, however nothing happens when you press + or - to set. One time it kicked into life again but hasn’t since. I have read that clutch position sensor can be the cause, however I understand that this usually triggers an engine system service required message on dash which I don’t have. It also looks to be in good condition visually. Any other ideas what could be causing this? Thanks Jack |
May 23rd, 2020, 11:24 | #2 |
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Last Online: May 14th, 2022 15:32
Join Date: Mar 2016
Location: Edinburgh
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Just change the sensor. Mine looked to be in excellent condition too but once changed everything was working as it should.
I didn’t have any warning messages on the dash either. |
May 24th, 2020, 10:00 | #3 |
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Last Online: Nov 15th, 2021 10:05
Join Date: Mar 2007
Location: Cigne
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It's been a long time since mine did this but I seem to recall that a small electrical part (sensor) attached to the servo was changed.
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2001 V70 2.4T + BSR stage 1, 18" Pegasus wheels, Chrome/Black mesh grille, lowered 30mm, Black Diamond slotted & drilled discs. Predator Pads. |
May 24th, 2020, 11:51 | #4 |
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Last Online: Apr 2nd, 2024 19:50
Join Date: Dec 2007
Location: Wexford
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I think that if the CPS is acting up it drops out the cruise lamp. Try starting with the clutch fully down, engage cruise, see that lamp comes on and raise the pedal. If the lamp stays on it would point to something other than the sensor.
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May 26th, 2020, 13:10 | #5 |
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Last Online: Today 08:06
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Location: Walderslade....Kent
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Mine are autos so may be different but AFAIA cruise will not be activated or react to any input below 30mph, would that apply to the test mode mentioned above?
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The saddest moment is when the one who gave you the best memories....becomes a MEMORY V70 SE 2004 2.3L T5 Geartronic, C70 2005 2.0T Automatic, Sold 2.4l 20 Valve Automatic Torslander Sold 854 GLT 20v Auto |
May 26th, 2020, 14:28 | #6 |
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Last Online: Aug 17th, 2020 11:57
Join Date: Aug 2013
Location: Kingston-upon-Thames
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Hi,
Quick update today - I popped outside to scan DTC codes using my generic reader. It picked up P0808 - Clutch Position Sensor Circuit High - so it looks like it is the usual suspect. I'm going to take it out and clean it and maybe even try the cheap fix Perhaps usefully for other owners - I have no check engine / engine system service required message and the cruise lamp works fine and does not go out if the clutch is raised. Thanks |
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May 29th, 2020, 12:42 | #7 | |
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Last Online: Apr 2nd, 2024 19:50
Join Date: Dec 2007
Location: Wexford
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Quote:
The test is fairly conclusive of cps failure provided that it has failed. However the sensors can go into a twilight zone working some of the time and passing the pedal raise test. I have managed to keep it lit by driving off in first if not actually slipping the clutch but just preventing the pedal reaching the top of it's return. Last edited by Brendan W; May 29th, 2020 at 12:45. |
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