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Old Jan 28, 2026 | 03:59 PM
  #21  
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I have a 2014 Stingray base model. It's even harder to find a picture of the trans fluid temp sensor location. I pretty sure it's under the pan and it's a more classic screw in sensor but I'll be damned if I can find a picture of it in the car.
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Old Jan 29, 2026 | 06:08 AM
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There are pictures of it on Camaro6.com Search P0700 and P0711 codes and transmission temperature sensor. That is how I found what I needed.
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Old Jan 29, 2026 | 02:18 PM
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Originally Posted by seavette1940
The sensor is in the valve body, not in the wire harness. It is part of the valve body, cannot be replaced.
Wrong .......
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Old Jan 29, 2026 | 02:20 PM
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For an A8 the sensor is in the harness .... Lot of bad information going on here ....

Read my thread .... all you want to know about the PO700 and P0711 codes

P0700 & P0711 - Transmission Code Solved finally - CorvetteForum - Chevrolet Corvette Forum Discussion

Last edited by Dcasole; Jan 31, 2026 at 01:06 PM.
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Old Jan 29, 2026 | 06:44 PM
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Originally Posted by Musilu
On most Jettas with that setup, the coolant temperature sensor is usually near the thermostat housing on the engine block, often on the intake side.
This is not for a coolant sensor , its a transmission sensor ......

Dave
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Old Jan 30, 2026 | 08:19 AM
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And this is a Corvette, not a Jetta.

Different animals.
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Old Jan 30, 2026 | 08:43 AM
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Originally Posted by kodpkd
I have a 2014 Stingray base model. It's even harder to find a picture of the trans fluid temp sensor location. I pretty sure it's under the pan and it's a more classic screw in sensor but I'll be damned if I can find a picture of it in the car.
Thats becaue its not in the pan or valve body ... . for a 15 and later A8 see my thread below, its in the harness and
On a A6 ...6L80 and a 6L90 its also located inside the harness..

If you are using Google you are confusing this with a Manual corvette gearbox or a Ford C6 transmission as they both have a screw in sensor

Google Or AI is not always right ....

Another misconception is that the thermistor sensor is bad , but as @Tinkertech pointed out above ... thermistors really dont go bad .... they sometimes might go out of spec but...

The problem with the A8 is there is a "Short" in the the harness that is causing the issue , this is why the GM tech bulletin recommends replacing BOTH the upper and lower harnesses . After taking my transmission apart, I saw no reason to replace the upper harness

I along with a lot of other people who reached out to me for help with this issue after reading my post only replaced the lower harness and solved solved the problem
Dave

Last edited by Dcasole; Jan 31, 2026 at 12:53 PM.
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Old Jan 31, 2026 | 10:14 AM
  #28  
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100% correct.
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Old Jan 31, 2026 | 11:15 AM
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Originally Posted by Dcasole
Thats becaue its not in the pan or valve body ... . for a 15 and later A8 see my thread below, its in the harness and
On a A6 ...6L80 and a 6L90 its also located inside the harness..

If you are using Google you are confusing this with a Manual corvette gearbox or a Ford C6 transmission as they both have a screw in sensor

Google Or AI is not always right ....

Another misconception is that the thermistor sensor is bad , but as @Tinkertech pointed out above ... thermistors really dont go bad .... they sometimes might go out of spec but...

The problem with the A8 is there is a "Short" in the the harness that is causing the issue , this is why the GM tech bulletin recommends replacing BOTH the upper and lower harnesses . After taking my transmission apart, I saw no reason to replace the upper harness

I along with a lot of other people who reached out to me for help with thwit issue after reading my post only replaced the lower harness and solved solved the problem
Dave
---
Dave, great info. I don't have this problem with my C7 but I'll keep in mind should the issue arise.
We all miss "eboggs" since he passed away last year. However, you have taken his place, along with Bill Dearborn and a few others, as invaluable resources to the C7 community. Thanks for helping us keep our Vettes alive and well.
Keith
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Old Jan 31, 2026 | 01:05 PM
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Originally Posted by C-141 driver
---
Dave, great info. I don't have this problem with my " I'll keep in mind should the issue arise.
We all miss "eboggs" since he passed away last year. However, you have taken his place, along with Bill Dearborn and a few others, as invaluable resources to the C7 community. Thanks for helping us keep our Vettes alive and well.
Keith
No problem Keith ... glad to pay it forward.... thats what these forums are all about .... especially since there is a lot of "Internet urban legends " spreading bad information , " I heard from a guy who's brother-in-law said ... that this was the cause," or "disconnect the battery ... "

Its like when someone asks whats causing my CEL or service rear axle message , there are 1,000 reasons why you would get those messages , I get that people are trying to help and post their cure but the realty is 999 of answers are going to be wrong ... the the real answer should be is "read the code and post it for us to see " that way we at least have some direction as to the root cause of the problem.....

Dave
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Old Jan 31, 2026 | 05:38 PM
  #31  
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Dave, Your expertise and insights are greatly appreciated.
As much as we'd like our Corvettes to last forever, the dwindling supply of parts and knowledge base can make this a challenge.
Aftermarket is sometimes helpful, but "buyer beware" as some stuff is inferior to OEM.
Again, a big thanks.
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Old Jan 31, 2026 | 06:11 PM
  #32  
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Dave, when you say it isn't under the trans fluid pan, where is it. I know the A6 doesn't have a "harness" like the later years. but i think it has a wire with the sensor connected to it, in the trans fluid pan.

Last edited by kodpkd; Jan 31, 2026 at 07:00 PM.
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Old Jan 31, 2026 | 07:24 PM
  #33  
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Originally Posted by kodpkd
Dave, when you say it isn't under the trans fluid pan, where is it. I know the A6 doesn't have a "harness" like the later years. but i think it has a wire with the sensor connected to it, in the trans fluid pan.
Kodpkd I think its just word semantics confusion.. its not "under " the pan , its inside the pan under the filter attached to the valve body
You can see that it pretty much looks just like the A8 harness minus two selonoid connectors

Dave

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Old Jan 31, 2026 | 07:48 PM
  #34  
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Well, I didn't mean it's "under" the car. Remove the trans pan and it's inside there. It is not in the harness you are showing. The 2014 doesn't have that harness. It is in fact built into the, CONTROL SOLENOID BODY AND TCM ASSEMBLY.
2014 Chevrolet Corvette - Transmission Control Module, 6L80, Eng Des: LT1, Vin: 7, Naturally Aspirated, GAS, Transmfrcode :
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Old Jan 31, 2026 | 07:57 PM
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Originally Posted by kodpkd
Well, I didn't mean it's "under" the car. Remove the trans pan and it's inside there. It is not in the harness you are showing. The 2014 doesn't have that harness. It is in fact built into the, CONTROL SOLENOID BODY AND TCM ASSEMBLY.
2014 Chevrolet Corvette - Transmission Control Module, 6L80, Eng Des: LT1, Vin: 7, Naturally Aspirated, GAS, Transmfrcode :
Ok you win , as always, you want to debate ....

Dave
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Old Jan 31, 2026 | 08:13 PM
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Originally Posted by kodpkd
Well, I didn't mean it's "under" the car. Remove the trans pan and it's inside there. It is not in the harness you are showing. The 2014 doesn't have that harness. It is in fact built into the, CONTROL SOLENOID BODY AND TCM ASSEMBLY.
2014 Chevrolet Corvette - Transmission Control Module, 6L80, Eng Des: LT1, Vin: 7, Naturally Aspirated, GAS, Transmfrcode :
Now before you speak again, take a look at the C6/C7 A6 valve body picture I posted below, and yes the A6 is the same for both models before u debate that , looks a lot like the one you posted right ( DON'T ANSWER as I am not really asking you ) , Do you see the harness that starts at the top right and goes down to the bottom of the valve body under the brown cover .... and then off to the bottom left ... that IS the LOWER HARNESS that I posted above ..

Drop your pan please, then drop your filter, and then tell me you don't have an Internal harness ... I will wait ......... (no I won't because I don't really care ....)

Again, this is not a debate, don't bother to ask me any more questions as I refuse to get caught up in your endless debates and baseless challenges about things that you know nothing about except what you read on the internet and interpret them to be true ...

Dave





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Old Jan 31, 2026 | 08:13 PM
  #37  
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Maybe someone that has a 2014 with a bad trans temp sensor, will read this and not have to through what I had to, to just find the stupid temp sensor. Kind the point of this forum.
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Old Jan 31, 2026 | 08:18 PM
  #38  
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Originally Posted by kodpkd
Maybe someone that has a 2014 with a bad trans temp sensor, will read this and not have to through what I had to, to just find the stupid temp sensor. Kind the point of this forum.
And I told you several times, it's in the harness ......... and Somebody will not have to worry because the A6 does not have the issue.....

Please give it up will you ...

Dave
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Old Feb 1, 2026 | 08:49 AM
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That is exactually the point. The A6 doesn't have a "harness" with the temp sensor.
Give it up, you are wrong!
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Old Feb 1, 2026 | 12:50 PM
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None C7 related. Silverado-Tahoe 8l90 has a fluid thermal bypass valve mounted on the outside of the transmission. Do they still have the internal fluid temp sensor?
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