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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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C70 hard top open process stops half wayViews : 194 Replies : 3Users Viewing This Thread : |
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May 9th, 2024, 16:48 | #1 |
Junior Member
Last Online: May 30th, 2024 18:51
Join Date: Oct 2018
Location: Madrid
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C70 hard top open process stops half way
Hi,
I own a C70 MY2008 with the 2.0d engine since 2012 and have had no issues at all with the hard top. All worked well until 6 months ago when an intermittent problem with the roof started.... The problem is that when I open the top the process starts correctly, i.e: all 4 windows lowers a bit, the boot lid opens up, the roof detaches and folds down into the trunk...then it suddenly stops working and a warning sign is shown on the dash. The top stops in this position (see attached picture). To fix the issue I remove the negative lead of the battery and leave the car for about 30 min without power. Then I connect again the negative cable to the battery, turn on the ignition and press the close button of the roof and then the roof starts moving and closes without any problem. I can then repeat the open and close process several times without any issues. I believe there could be a probem with some hall sensor of the roof but Im not sure....has anyone resolved a similar problem ? Thanks for your help! |
May 9th, 2024, 19:22 | #2 |
Premier Member
Last Online: Yesterday 22:48
Join Date: Mar 2017
Location: Manchester
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the only way to trace a fault like this is to read the crm with vida which will show where the fault lies hall sensors dont fail very often is normally a broken wire caused by repetitive bending over the life of the car vida can also show how many roof cycles have been completed it may be worth checking the fluid level for the roof pump.
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May 9th, 2024, 19:50 | #3 |
Junior Member
Last Online: May 30th, 2024 18:51
Join Date: Oct 2018
Location: Madrid
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No availability to Vida unfortunately.
Do you know if there is a troubleshooting guide out there ? Cheers. |
May 9th, 2024, 20:48 | #4 |
Premier Member
Last Online: Yesterday 22:48
Join Date: Mar 2017
Location: Manchester
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if you join volvo mk2 c70owners group on facebook there are some down loaded documents in the files section at the top of the page these may be of some use to you a good quality code reader like snap on or launch or top don may be able to access the crm there is also a map of folk with vida who have said they are willing to help other owners have a look and hopefully there may be some one near you
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