SS Specific Service Issues/Repairs Service/Repairs specific to the SS. Turbo-Brembo Brakes-2.0 Engine-Limited Slip Differential-Programmable Display-MU3 Transmission

Clutch Sensor

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Old Nov 29, 2019 | 05:32 AM
  #11  
Oldblue's Avatar
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Welcome to the site, if the code indicates it’s the clutch position sensor then it is out of adjustment

https://www.rockauto.com/en/catalog/...y+switch,16665
Old Nov 29, 2019 | 09:37 AM
  #12  
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Originally Posted by Oldblue
Welcome to the site, if the code indicates it’s the clutch position sensor then it is out of adjustment
OR, The low ref wire, or 5V ref wire or the signal wire have a problem OR The Chevy dealer didn't know they were supposed to re learn the new sensors. I don't see any physical adjustment.
It is a variable resister, the ECM needs to know what voltage range to look for. It is supposed to supply exactly 5V or less than 1.5V on the signal wire.

Strange that the dealer identified there was a wire problem but didn't find & fix it. Whoever suggested "ground wire" is ill informed; there is a "low ref" wire instead, basically zero V - 4.8V stable supplied by the ECM. Digital circuits read 5V as on and less than 5V as off. (grossly simplified)

Thus my suggestion to inspect the ECM connector. All 3 of the involved wires end up there. This might also be a symptom of a bad battery, probably not in this case.

I have no idea why you are going to a proven incompetent shop for more work. GM mechanics have absolutely no different training or resources than every other mechanic.
Old Nov 29, 2019 | 10:30 AM
  #13  
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I doubt the pedal position sensor has gone bad 5 times. More likely scenario is they have "bumped" the wire plug just right when replacing the sensor. Later it jiggles loose and won't work again.

Just curious. You've had to tow it to the repair shop every time it won't start ?
Old Nov 29, 2019 | 04:02 PM
  #14  
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If it’s required to relearn, then that technically is an adjustment.
Old Nov 29, 2019 | 04:18 PM
  #15  
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That's what I meant "physical" vs "software". I'm not sure if it is one of those "must" or "should" or "probably doesn't matter": the manual says to do it when replacing it or the ECM just like it says for the crank sensor that doesn't seem to be "required".
Old Nov 29, 2019 | 06:49 PM
  #16  
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I swapped my bpp and cpp sensors, no relearn required. Same part, but they use a different section of the sensor, depending on which pedal it is installed on.
Old Nov 30, 2019 | 07:30 AM
  #17  
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Ah! There we have it, thanks for confirming that, RJ
Old Dec 2, 2019 | 05:19 PM
  #18  
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OK I got the code its PO806 or P0806 his writing sucks so not sure if its an O or a 0
Old Dec 2, 2019 | 05:21 PM
  #19  
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Not every time. There will be days where it wont start then a couple hrs later it will but money spent on AAA is good money spent. LOL
Old Dec 2, 2019 | 05:23 PM
  #20  
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I already had the positive wire replaced from the front to the back and the battery what a treat those are to replace!



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