2011 XJL -
The alarm has started going off without seeming provocation. How can it be disabled, pull a fuse hopefully?

thanks all!
don m

 

There is a campaign in SDD that pulls a time-stamped report of which sensor triggered the alarm. Most likely it's the driver door ajar switch, that's a common failure and involves removing the door card and replacing the door lock actuator.

 

I’m not familiar with SSD, what and where is it found?
tia,
don m

 

In my case it was the hood latch micro switch causing intermittent alarms.

Solution is to unplug it and jumper the connector -or- buy a new switch. Either way its easy to try and see if this resolves it for you.

If you search on the above you will find some stuff here about it somewhere.

 

Interesting! I have had hood open warnings on the dash lately, not a constant and not accurate. Where is the switch located? Will look into this at earliest opportunity.

 

https://www.jaguarforums.com/forum/x...ch-xjl-210250/

 

Thanks for that diagram, have located the little bugger (switch) but not excavated it yet.

Question, if the car reads the hood, via this switch, as open can the car be locked with touch or remote?

Had an instance of this.

 

IIRC when my switch was failing the car would lock but not set the alarm I would get multiple beeps.

If you jumper the connector to that switch the car will think the hood is always closed. Worked for me as I would never need such a warning about hood open.

 

Good thread from Xdave! Really wish he had not left the forum. He did so many projects on his cars.
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No, the car will not lock with any of the doors/trunk/hood open, or if it believes them to be open.

To answer your earlier question, SDD is the old version of the Jaguar proprietary diagnostic and programming platform/tool. It is a computer program you buy access too, you then get a VCI (vehicle connection interface) which plugs into the computer on one end and the OBD port on the other. Then you can use SDD to check codes, run self-check tests on different systems, program or reprogram modules, read live engine date. All sorts of fun stuff packed into a hilariously user unfriendly format.

It is an incredibly useful tool, but confusing and difficult to set up and gain access to as an individual owner. You can also really mess up your car to the point of completely frying the gateway or body control module (the car’s two main computers) if you are not careful/knowledgeable about what you’re doing.

 

Update - Yesterday I bypassed the hood switch. Did verify that doors would not lock with hood up before it was done. Afterwards, locks with hood up so looks like it was a success.

Thanks for all the guidance from the forum!
Donm

 

Just ran into the "not locking if the hood is open" situation. I absolutely hate that. I had the dreaded low coolant warning and pulled over at a gas station. Late at night. I wanted to have the hood up to cool the engine.. and go Inside to wait. Nope couldn't lock the doors. Its super annoying.

ended up being the thermostat housing. replaced it with a metal one and coolant levels are staying steady. Rear crossover pipe next.