Well I just dropped $434 at the LR dealer and got no where!!
Before you get too far...
If you plan on fixing it yourself say so. If you're planning on taking it somewhere, with the possible solutions in hand... be good to know.
First things first, would be some history on the problem, when it started, etc.
Then this leak should probably be factoring in somewhere. There are countless threads on leaks, one recent in particular on the drivers side, and the subsequent faults, wiring issues, etc. as a result.. So --- might some of the problems be related to that, maybe... so you'll need to break this big problem into smaller manageable ones, the moisture being first priority. Diagnosing the damaged wiring being second priority. Finally systematically approaching the HVAC.
I've had similar issues at the dealer, when the slopped brake fluid all over my engine bay, steering wheel, and busted a bunch of cover snaps, electrical connectors was my last serious visit. Given the opportunity to make it right, they preferred to make excuses. There are good dealers or rather mechanics out there, I know a couple, finding the joy is a touch proposition.
Finding a qualified and competent independent worth his salt will understand the systems, even if he doesn't know the LR specifics could be a valuable asset.
Speaking of which--- Mike G being one of those-- Thanks Mike!!
If you plan on fixing it yourself say so. If you're planning on taking it somewhere, with the possible solutions in hand... be good to know.
First things first, would be some history on the problem, when it started, etc.
Then this leak should probably be factoring in somewhere. There are countless threads on leaks, one recent in particular on the drivers side, and the subsequent faults, wiring issues, etc. as a result.. So --- might some of the problems be related to that, maybe... so you'll need to break this big problem into smaller manageable ones, the moisture being first priority. Diagnosing the damaged wiring being second priority. Finally systematically approaching the HVAC.
I've had similar issues at the dealer, when the slopped brake fluid all over my engine bay, steering wheel, and busted a bunch of cover snaps, electrical connectors was my last serious visit. Given the opportunity to make it right, they preferred to make excuses. There are good dealers or rather mechanics out there, I know a couple, finding the joy is a touch proposition.
Finding a qualified and competent independent worth his salt will understand the systems, even if he doesn't know the LR specifics could be a valuable asset.
Speaking of which--- Mike G being one of those-- Thanks Mike!!
After spending 2 hours researching and writing a nice test plan for you
then closing out the forum when I closed the thumbnail I added....
Here's the short version.
Check fuse f51 p in the BCU make sure it is good and there is power to it.
Then remove the l/f kick panel, you'll need a t25 torx to remove the hood release lever "iirc".
look for the green 22 pin connector c1168 and check it for corrosion. repair the circuits in the connector as needed.
then fix the water leaking on to it from the rotten sunroof drain above the connector so it does not happen again.
Good Luck!
then closing out the forum when I closed the thumbnail I added....
Here's the short version.
Check fuse f51 p in the BCU make sure it is good and there is power to it.
Then remove the l/f kick panel, you'll need a t25 torx to remove the hood release lever "iirc".
look for the green 22 pin connector c1168 and check it for corrosion. repair the circuits in the connector as needed.
then fix the water leaking on to it from the rotten sunroof drain above the connector so it does not happen again.
Good Luck!
Thanks a ton @threalassmikeg
I'll be checking that as soon as I get my kids to sleep tonight!! Mountain Dew and patience will keep me company! I'll report back!!
Thanks so much!! I'm determined whoever helps me find the cure will be getting a gift card in the mail!!
Later Jeremy
After spending 2 hours researching and writing a nice test plan for you
then closing out the forum when I closed the thumbnail I added....
Here's the short version.
Check fuse f51 p in the BCU make sure it is good and there is power to it.
Then remove the l/f kick panel, you'll need a t25 torx to remove the hood release lever "iirc".
look for the green 22 pin connector c1168 and check it for corrosion. repair the circuits in the connector as needed.
then fix the water leaking on to it from the rotten sunroof drain above the connector so it does not happen again.
Good Luck!
then closing out the forum when I closed the thumbnail I added....
Here's the short version.
Check fuse f51 p in the BCU make sure it is good and there is power to it.
Then remove the l/f kick panel, you'll need a t25 torx to remove the hood release lever "iirc".
look for the green 22 pin connector c1168 and check it for corrosion. repair the circuits in the connector as needed.
then fix the water leaking on to it from the rotten sunroof drain above the connector so it does not happen again.
Good Luck!
Before you get too far...
If you plan on fixing it yourself say so. If you're planning on taking it somewhere, with the possible solutions in hand... be good to know.
First things first, would be some history on the problem, when it started, etc.
Then this leak should probably be factoring in somewhere. There are countless threads on leaks, one recent in particular on the drivers side, and the subsequent faults, wiring issues, etc. as a result.. So --- might some of the problems be related to that, maybe... so you'll need to break this big problem into smaller manageable ones, the moisture being first priority. Diagnosing the damaged wiring being second priority. Finally systematically approaching the HVAC.
I've had similar issues at the dealer, when the slopped brake fluid all over my engine bay, steering wheel, and busted a bunch of cover snaps, electrical connectors was my last serious visit. Given the opportunity to make it right, they preferred to make excuses. There are good dealers or rather mechanics out there, I know a couple, finding the joy is a touch proposition.
Finding a qualified and competent independent worth his salt will understand the systems, even if he doesn't know the LR specifics could be a valuable asset.
Speaking of which--- Mike G being one of those-- Thanks Mike!!
If you plan on fixing it yourself say so. If you're planning on taking it somewhere, with the possible solutions in hand... be good to know.
First things first, would be some history on the problem, when it started, etc.
Then this leak should probably be factoring in somewhere. There are countless threads on leaks, one recent in particular on the drivers side, and the subsequent faults, wiring issues, etc. as a result.. So --- might some of the problems be related to that, maybe... so you'll need to break this big problem into smaller manageable ones, the moisture being first priority. Diagnosing the damaged wiring being second priority. Finally systematically approaching the HVAC.
I've had similar issues at the dealer, when the slopped brake fluid all over my engine bay, steering wheel, and busted a bunch of cover snaps, electrical connectors was my last serious visit. Given the opportunity to make it right, they preferred to make excuses. There are good dealers or rather mechanics out there, I know a couple, finding the joy is a touch proposition.
Finding a qualified and competent independent worth his salt will understand the systems, even if he doesn't know the LR specifics could be a valuable asset.
Speaking of which--- Mike G being one of those-- Thanks Mike!!
Ok I opened up the drivers side panel and pulled the carpet up and it's SOAKED!i mean pretty much flooded underneath there... So I'm guessing by the looks of it that the short is coming from that area somewhere.. Perhaps in the wire bundle running alongside the drivers seat? The drain tube seems to be intact though? I am attaching two pics.. One of the obvious water puddled up under the carpet/pad and also the drain tube for the sunroof.. At least I think that's what I put my yellow pencil against?.. I'll keep investigating..
Well I'll be damned!! I'm assuming that this is the drain tube for the sunroof? Black with red stripe? It's just hanging right over the entire cluster of connectors... Where is it supposed to drain into?some hole on the upper side of the interior? Still investigating.... I can see slight corrosion on the green plug/ both halves of the plug show white "dust" from the corrosion I'm goin to check all the connectors.. I'll report back.
Well.... Time for bed. It's 1:15am and I made some headway! Most of the conectors had corrosion and I wire brushed them all and added a dab of dielectric grease to insure better connectivity and I did get slight cool air through some of the front vents. I noticed that the temperature varies from vent to vent. I also noticed there's still no controlling the rear ac or heat from either the front or rear controls. I know it's very very damp on the drivers side floor so it's hard to say if there's moisture in any spliced lines running to the rear blower? But the fuses and relay are all good. I re routed the drain tube out the drain hole so that will be dry from now on... What a design flaw in that rubber quality of the drain tube! I also still have no control over the three buttons on the dash that toggle the air movement between floor, front and defrost. It's stuck on the front vents still.. I'm curious if the blend actuator wiring is in the cluster of conectors that got wet or if I have possible blend actuators failed as well...
Well I've only owned the truck for two weeks and the ac has not worked for me at all.. I was told at the used dealer in Chicago that it was the front console temp control unit, so I bought the truck with the thought that once that part showed up in the mail that is be good to go and man was I ever burned...!!
I've got another question regarding that blueish green connector... What does it operate? Hvac wires coming out of there? Or?.... Just curious what the connectors there are running to.. Perhaps my rear heat and ac are faulty from the same connections..? I'll report back tonight..!!
a logical place to start given the lin bus fault supplied by the dealer tech, and its location in the vehicle.
The front distribution, and blend, and recirculation motors are hard wired to the front climate control module.
they use a lin, or k bus for comms. faults with the servos typically flag for the respective servos, not lin.
it would be nice to see all the stored codes. I would suspect you have more than one issue with this vehicle.
What does not function with the rear climate control? Just the blower Motor?
Can you bring the vehicle back?
C1168/1 (pin1) is the lin bus communication line from the front to the rear climate control modules,
a logical place to start given the lin bus fault supplied by the dealer tech, and its location in the vehicle.
The front distribution, and blend, and recirculation motors are hard wired to the front climate control module.
they use a lin, or k bus for comms. faults with the servos typically flag for the respective servos, not lin.
it would be nice to see all the stored codes. I would suspect you have more than one issue with this vehicle.
What does not function with the rear climate control? Just the blower Motor?
C1168/1 (pin1) is the lin bus communication line from the front to the rear climate control modules,
a logical place to start given the lin bus fault supplied by the dealer tech, and its location in the vehicle.
The front distribution, and blend, and recirculation motors are hard wired to the front climate control module.
they use a lin, or k bus for comms. faults with the servos typically flag for the respective servos, not lin.
it would be nice to see all the stored codes. I would suspect you have more than one issue with this vehicle.
What does not function with the rear climate control? Just the blower Motor?
C1168/1 (pin1) And see what I find.. I've tried working with the dealer I bought the truck from but they basically said I bought a used truck without a warranty. I bought the truck because they said it needed a new front climate control module and then all would work properly. So I "trusted" their diagnosis and I agreed to buy it and drive the truck home that day and have the module shipped to my house because they didn't have it in stock. So they are saying I agreed to buy the truck "as is" because I left with the truck in that condition. I've just exhausted myself arguing with them and decided that once I fix this truck we will be happy with it but just not with the buying experience!!


