650 Help - Dealer Can't Figure Out The Problem - McLaren Life
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post #1 of 10 Old 04-24-2019, 02:10 PM Thread Starter
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650 Help - Dealer Can't Figure Out The Problem

My 650 has been at McLaren of Chicago for over a month, and they can't seem to fix it ... so I am turning to you guys for help. I fired up the 650 after ~4 months in climate controlled storage and as I was loading it on the trailer i heard a strange "warning" sound in the interior and the gauge cluster had a fault that said something like "pull vehicle over" ... or something to that affect. I quickly turned off the motor and fired it back up a few minutes later with no faults or warning sounds. The car was heading to McLaren of Chicago for annual maintenance and so i didn't think much of it as i was sure it threw a code they could read/fix. Well, the vehicle has been at the shop for a over a month and they have been able to repeat the sound/fault several times, but it does not show up when they scan for the fault. They are at a loss as to the root cause/fix.

Has anyone had something similar happen? Any input is greatly appreciated!

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post #2 of 10 Old 04-24-2019, 04:02 PM
 
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How old is the battery? Its normally the root of all electrical issues.
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post #3 of 10 Old 04-30-2019, 04:58 PM Thread Starter
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Twinscroll - thanks for the input! The car is a 2015 and i believe the battery is original unless they replaced it as part of their annual routine maintenance program. I've had the dealer follow their suggested program each year, but can't remember if they replaced the battery. Do you suggest I replace it given it's a 2015?

Current "Toys"
'15 650s Spider
'18 Dodge Demon
'18 "hellcat" Jeep (aka, trackhawk)
'09 TBSS (20,000 miles, stock ... mostly)
'70 Olds 442
In Search Of
GMC typhoon - low mile - black w/gray cladding
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post #4 of 10 Old 04-30-2019, 06:32 PM
 
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Originally Posted by Terry Wright View Post
Twinscroll - thanks for the input! The car is a 2015 and i believe the battery is original unless they replaced it as part of their annual routine maintenance program. I've had the dealer follow their suggested program each year, but can't remember if they replaced the battery. Do you suggest I replace it given it's a 2015?
I'd have them test it. They should have the proper tools to do such.
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post #5 of 10 Old 04-30-2019, 06:51 PM
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Battery is not on routine list
These are very prone to these sorts of glitches with low voltage
Battery control module can also be an issue
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VR 650S Spider gone but not forgotten after 19k miles
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post #6 of 10 Old 05-01-2019, 01:25 PM Thread Starter
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Thanks guys! They are too busy working on theairbag recall to get at this immediately, but i will post the eventual outcome!
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Current "Toys"
'15 650s Spider
'18 Dodge Demon
'18 "hellcat" Jeep (aka, trackhawk)
'09 TBSS (20,000 miles, stock ... mostly)
'70 Olds 442
In Search Of
GMC typhoon - low mile - black w/gray cladding
Terry Wright is online now  
post #7 of 10 Old 05-06-2019, 02:37 AM
 
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Yep mine has done it a couple time and i just turn off and back on and it’s fine.

Could be air sound generator leak they are known for making them have strange glitches , easy fix with a block off plate from XPRD.

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post #8 of 10 Old 05-06-2019, 12:42 PM Thread Starter
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Thanks 12cKid! I will have them check the ISG.

Current "Toys"
'15 650s Spider
'18 Dodge Demon
'18 "hellcat" Jeep (aka, trackhawk)
'09 TBSS (20,000 miles, stock ... mostly)
'70 Olds 442
In Search Of
GMC typhoon - low mile - black w/gray cladding
Terry Wright is online now  
post #9 of 10 Old 05-06-2019, 03:07 PM
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Could of just been a glitch. I know if it is electrical or a glitch, impossible to find unless it is acting up. Low voltage does do strange things but it sounds like your problem might be isolated event and not to worry if they cant find anything. Make sure it is documented in case it appears and there is warranty left. FYI

Mike
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post #10 of 10 Old Today, 08:41 PM Thread Starter
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The "good news" is they are able to repeat the fault ... the bad news is it doesn't kick out a code of any sort when they scan. The other bad news is they are no longer working on the car because they have so many airbag replacements that need to be done and they are very short on technicians. Hoping to have it back before it begins to snow again

Current "Toys"
'15 650s Spider
'18 Dodge Demon
'18 "hellcat" Jeep (aka, trackhawk)
'09 TBSS (20,000 miles, stock ... mostly)
'70 Olds 442
In Search Of
GMC typhoon - low mile - black w/gray cladding
Terry Wright is online now  
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