Oil Sensor, or bonnet switch

[nomislotsirb]

Hi all,
I had the 'Oil Sensor! Workshop' message flag up on the dash yesterday, in addition to a Stop Start Error.
I've done a search on the forum and others have had similar. However, I wonder if it is actually to do with the bonnet switch, which Google AI suggest is also a possible cause, and there is some logic in this ...
The message only came up having just replaced the washer jets with the mist type, as has been discussed recently in posts. Having fitted one, I closed the bonnet to compare, check all was working and adjust the angle. I subsequently realised I'd left the cardboard box containing the other on the scuttle, and this was compressed. So I'm wondering whether this has upset the bonnet switch somehow. It seems to much of a coincidence otherwise.
What do you guys think? Is there an easy way of checking the bonnet switch is working without replacement?
Many thanks in advance.

 

[mmi]

Is there an easy way of checking the bonnet switch is working without replacement?

Doesn't the dash display show whether the bonnet is open or closed - as well as status of all the other hatches?

 

[nomislotsirb]

That's what I would have thought too - nothing on dash suggesting not shut

 

[manfrotto]

So likely it is either a co-incidence, or you have inadvertantly bumped a wire for the sensor by the sounds of it.

 

[roddyv]

Morning, I have the same today, did you get to the bottom of it? Thank you

 

[nomislotsirb]

Morning, I have the same today, did you get to the bottom of it? Thank you

Popped into independent garage on Thursday. He plugged in, and nothing immediately obvious so getting booked in. The population of foxes seems to have hit an all time high in our area, and reading other posts, I understand them nibbling on wiring could be a potential cause, so maybe it's that.

 

[roddyv]

Looks like I found the problem

 

[Sasquatch]

Foxy Woxy?

So glad I have an undertray on mine, soon to be upgraded to a skid plate, and we do get foxes here - im on the edge ko town overlooking fields and the greedy sods attack my bins.

 

[roddyv]

I do have an under tray but there is a big shelf at the back of it where these cables are

 

[nomislotsirb]

Garage sorted today - transpites it was the cabling being damaged by the heat shield.

 

[Eunice]

I had this warning light last week, followed by the amber engine management light. My VW garage couldn’t book me in before early Jan, so recovery organised things for me. The VW garage says the wires have been gnawed & sensor & wiring need replacement & for a thermal sensor too.. quoting £1200 for the work. they stated that the sensor alone is over £600!. Can anyone else corroborate this? Apparently the wires under the van are not protected by a plate nor rodent proof covering whisk seems daft. Any suggestions how to rodent proof the wiring to avoid future expensive gnawing. I suspect foxes rather than rodents due to the van’s height off the floor.

 

[Sasquatch]

Show us a mass market vehicle that does have rodent resistant shields and wiring as standard. You can't, because none of them do.

I've been mulling this over...an undertray would at least stop foxy woxy, if not rodents.

 

[DXX]

If a rat can get it’s skull through a hole the rest of its body will fit.
You’d need a very close fitting guard system.

 

[JumpShip]

They fitted engine undertrays on certain models and years of transporters to cope with some rodent or other can't remember which exactly so it may help a little .
But as said it won't keep rats or squirrels etc out .
Also the exhaust sensors aswell as other wires are still accessible from the back I'd have thought .

 

[Eunice]

There is a metal wrap/ duct available to protect and reduce attack. So we may try that once I get the van back.

 

[roddyv]

Don't bother with underlay to prevent this, I have an under tray and the bit where this wire sits acts as a nice comfy bed for foxes and other animals to keep warm