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Discussion Starter · #1 ·
I am looking at buying (left a deposit) an 07 xc90 V8 with 119k miles from a used car dealer to replace my aging 04 2.5t xc90 - 115k miles. I love the 2.5t but its aging, and starting to show it - engine and tranny are good but AC doesnt work(clutch gap issued - cant get my hands in to do the zip tie fix), AC blower fan is on its way out, the headliner is falling down (did spray repair), seat stitching is ripping, needs some suspension and control arm work, and a bunch of other minor odds and ends so i was just thinking about going to a v8.

The dealer is asking $4995 minus $1000 trade in value for my car. - I am unsure whether I should put money in to the 2.5t or just go with the V8. I value the board members opinions and would greatly appreciate feedback.

The DSTC light and service antiskid lights were on. I scanned with my Dice and below is what it spit out. I cleared the codes and these came back.

Basic background of the car - 1 owner, Tesla trade in - it looks like it was cared for as it is in nice shape all around. The car sat dead for a while because of possibly bad alternator. They changed the alternator (Dice was showing a voltage of 13.2v ?) and these are the codes showing up. It drove well and really didnt have any hicups except for the anti skid

The car over all is in very nice shape, it needs front brakes which they were in the middle of doing - i think the front left speed sensor may be a result of their "brake work" as I saw them working on that side when I came and the light may not have been on before.

I am ok with doing the work to fix the DSTC sensor and the wheels sensor if need be - for $4k its not so bad (at least so I think). My concern is if the modules are bad and then the numbers are not so much in my favor.

Should I stay away from this one (its really difficult to find a reliable v8 at a good price) - there were 2 other people waiting right behind me to look at the vehicle !

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Discussion Starter · #2 ·
One more thing, can someone explain to me what a "CSC" is in VIDA, apparently I didnt scroll through all of them - but there may be more then original thought. The most concerning ones are

- BCM-U041464 Invalid Data Received From Four-Wheel Drive Clutch Control Module - Algorithm Based Failures - Signal plausibility failure

- DEM-P188914 Oil Pressure Pump Performance - General Electrical Failures - Circuit short to ground or open


DSTC was clearly not working on the test drive - the front wheel spun out on a turn every time - but is it possible the AWD was not working as well ?

Thanks
 

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Discussion Starter · #3 ·
So after doing some research it looks like the oil pump for the haldex system may be bad based on the DEM-P188914 code ?

Does the AWD system not work in this condition ?
 

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Probable Haldex pump failure (no AOC=no AWD) and the light ring on the keyway for the ignition switch has a burnt bulb. BCM algorithm code has come up before, don't think I ever saw anyone define it well but happy if someone else does and can comment. No idea on the CSC but some of those other codes might have come from the car sitting "dead".
 

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On a different note, if you're trying to replace an "aging" car, wouldn't you want to consider something more than 3 years younger that doesn't actually have more mileage (and, apparently, a bunch of problems)?
 

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Quick search online gave this on a VIDA help site, in the glossary.
Customer Symptom Codes (CSC)
Customer Symptom Codes (CSC) enable a better understanding of customer remarks/comments. CSC is a customer oriented concept, i.e. the intent is not to point out the component that causes the problem but to describe the problem from the customers' point of view.

CSC is the entry for diagnostics in order to be customer focused when repairing vehicles.
 

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Discussion Starter · #7 ·
On a different note, if you're trying to replace an "aging" car, wouldn't you want to consider something more than 3 years younger that doesn't actually have more mileage (and, apparently, a bunch of problems)?
Yup I would but specifically looking for V8 at a descent price
 

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Discussion Starter · #8 ·
The dealer said he would knock off $400 and sell as is - so I would be looking at $4200-$4500 depending if I have him do the front brakes.

Knowing that I need at least a pump/service of the Haldex unit is this a reasonable price ?
 

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Discussion Starter · #12 ·
Yes!

Search this forum ... known transmission problems and other things. Issues covered ad nauseum ...
Yeah so I searched specifically for the 07 (and have been looking for an XC90 for a while) and didnt find anything specific to the 07. What kind of tranny issues, I am aware of the T6 tranny issues but those dont apply to the v8's
 

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Yeah so I searched specifically for the 07 (and have been looking for an XC90 for a while) and didnt find anything specific to the 07. What kind of tranny issues, I am aware of the T6 tranny issues but those dont apply to the v8's
Follow any links and/or references:
https://forums.swedespeed.com/showt...the-Regular-Joe-or-Jane&p=4845833#post4845833

BTW, what is the VIN for the car you are looking at?

Did the dealer give you a carfax? Can you share?

Did they show you VIN labels on all of the relevant body panels? If VIN labels are missing, there is 100% chance that the car has been in an accident ...
 

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Discussion Starter · #14 ·
VIN: YV4CZ852371330664

Thanks for the link. I got the carfax, everything checks out. I am a little concerned about the tranny issue but it drove fine
 

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Discussion Starter · #15 ·
FYI I drove it around twice - long enough for fluids to warm up, there was no jerking in the tranny and Vida was not showing any codes for it either. I didnt think to check the tranny serial but the vehicle was manufactured mid 2016 per the car fax
 

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VIN: YV4CZ852371330664

Thanks for the link. I got the carfax, everything checks out. I am a little concerned about the tranny issue but it drove fine
The 1st production of V8 in 2007 is known for transmission valve body problem. I had to replace my transmission at Canadian $7000 fir new one. Otherwise, repair the transmission at CAD $3000

So check the MY or VIN to see if this is one of the 1st production of 2007 year.


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Discussion Starter · #18 ·
Still negotiating. He dropped the price needed for the repair of the angle sensor which he believes is the issue (the turning stalk and light around the key hole did not work so apparently someone already tried that fix), but I asked him to get me serial # off the tranny and have received it yet.
 

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I had the key light ring fault and found that the antenna with the light ring is real easy to remove, and then replace the bulb. I went to the junk yard and pulled the bulbs out of the sound system and the heat and air controls. I picked the shorter ones to match the burnt out one. I checked with VIDA and parts specialists, and found that the bulbs are not specced separately for the antenna ring. The bulb looks like THIS
 

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Discussion Starter · #20 ·
I had the key light ring fault and found that the antenna with the light ring is real easy to remove, and then replace the bulb. I went to the junk yard and pulled the bulbs out of the sound system and the heat and air controls. I picked the shorter ones to match the burnt out one. I checked with VIDA and parts specialists, and found that the bulbs are not specced separately for the antenna ring. The bulb looks like THIS
Thanks, I dont think the bulb is really out. I think someone tried replacing the steering angle sensor, ad messed with the plug on that light and the turning stalk as both were showing signs of problems.
 
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