A/C Off Due to High Engine Temp - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Lisa/Jeff · 10-12-2012, 08:38 PM

Just returned from the dealer for second time for the A/C off due to high temp message. The first time they replaced a sencor and this time could not find anything causing message. They contacted GM and GM suggested to check wiring but still no know cause. I asked about reflashing and they advised no new updates for for car so no reason to reflash. The first time it occured I took the battery cables off for several hours but the message came back. The car is stock, all fluids are good. Any suggestions??

2010_camaro · 10-14-2012, 03:32 PM

hey i had the same issue. I replaced the temp sensor and notices the conector was a flawed design and it was not a tight fit. I changed the pig tail and put a little ele. grease and all is well.

Lisa/Jeff · 10-14-2012, 03:55 PM

Thanks, I will look at the sensor.

tadams72 · 10-14-2012, 04:02 PM

The quick way to reset the sensor is to shut the car down and disconnect the ECM Harness by the fuse box under the hood (front engine compartment, passenger side). I still don't know the cause of this but have had it several times myself.

Chevrolet Customer Svc · 10-15-2012, 12:34 PM

Quote:

Originally Posted by Lisa/Jeff

Just returned from the dealer for second time for the A/C off due to high temp message. The first time they replaced a sencor and this time could not find anything causing message. They contacted GM and GM suggested to check wiring but still no know cause. I asked about reflashing and they advised no new updates for for car so no reason to reflash. The first time it occured I took the battery cables off for several hours but the message came back. The car is stock, all fluids are good. Any suggestions??

If you would like for us to research this further for you, please provide us with your first and last name, address, phone number,VIN, mileage and involved dealership. We would be happy to see if there are any options available to you!

Brandon
Chevrolet Customer Service

Lisa/Jeff · 10-16-2012, 08:00 PM

Brandon,

I'm not sure how to provide you the requested information without posting all of it on the site.

Chevrolet Customer Svc · 10-17-2012, 07:58 AM

Quote:

Originally Posted by Lisa/Jeff

Brandon,

I'm not sure how to provide you the requested information without posting all of it on the site.

You can click my username and then click send private message.

Brandon
Chevrolet Customer Service

SteveRS · 10-19-2012, 10:45 AM

My 2011 LT/RS was the first case to have this issue.. i still have the pictures from it.. they will most likely change out the PCM and that will fix it.. changing the Thermo will most likely not fix it cause it didnt fix mine..

Lisa/Jeff · 10-19-2012, 06:07 PM

When we had it at the deal, they could not find what was causing the message
and spent several minutes on the phone with GM and still no fix. GM has called and left me message but I haven't been able to speak to anyone yet.

DeMaro · 12-05-2012, 10:30 AM

I have the same problem also still not resolved. Never had an issue on my 2010 coupe but my 2012 Vert has had it since 500 miles or so.

DC

Lisa/Jeff · 12-05-2012, 06:48 PM

After about 6 months we think we have our problem fixed. We were near a dealership when the message came on and according to the code it was a bad thermostat sensor. They replaced the thermostate Kit (01246-PCKT) The code was PO128. Plus for some reason when I picked the vehicle up, they had put 6 miles on it, not sure if that was necessary. I hope this took care of the problem!

Chevrolet Customer Svc · 12-06-2012, 07:52 AM

Quote:

Originally Posted by DeMaro

I have the same problem also still not resolved. Never had an issue on my 2010 coupe but my 2012 Vert has had it since 500 miles or so.

DC

DeMaro,

We apologize for any frustrations that you may be experiencing. I can research the concern you are having further by setting up a case with GM customer service. Please PM me any details you may have along with your first and last name, address, phone number, VIN, mileage, and involved dealership name.

I await your response via PM.

Brandon
Chevrolet Customer Service

DeMaro · 12-06-2012, 05:04 PM

Thanks Brandon
I am going to try a few more things and will take you up on that I am sure.

DC

danielblack60 · 12-07-2012, 07:32 PM

It is untelling how many times I've had this customer concern. Every time I scanned one, the code was p0128. Engine coolant temp below threshold. Replaced thermostat and it was like it never happened

Not saying you all are having different troubles, but 98.3456 times out of 100 a thermostat will fix your problem.

PS: winter months are usually when you see thermostats start to fail, just food for thought.

10-12-2012, 08:38 PM	#1
Lisa/Jeff Drives: 2012 Rally Yellow 2ss Join Date: Mar 2012 Location: Southern Kentucky Posts: 17	A/C Off Due to High Engine Temp Just returned from the dealer for second time for the A/C off due to high temp message. The first time they replaced a sencor and this time could not find anything causing message. They contacted GM and GM suggested to check wiring but still no know cause. I asked about reflashing and they advised no new updates for for car so no reason to reflash. The first time it occured I took the battery cables off for several hours but the message came back. The car is stock, all fluids are good. Any suggestions?? __________________

10-14-2012, 03:32 PM	#2
2010_camaro Drives: 2014 Camaro SS Join Date: May 2011 Location: Florence, KY Posts: 2,238 View My Garage	hey i had the same issue. I replaced the temp sensor and notices the conector was a flawed design and it was not a tight fit. I changed the pig tail and put a little ele. grease and all is well. __________________ MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs. https://www.instagram.com/whoopa_ss/

10-14-2012, 03:55 PM	#3
Lisa/Jeff Drives: 2012 Rally Yellow 2ss Join Date: Mar 2012 Location: Southern Kentucky Posts: 17	Thanks, I will look at the sensor. __________________

10-14-2012, 04:02 PM	#4
tadams72 When is enough ever... Drives: 2006 Silverado 2500HD CC/SB LBZ Join Date: Apr 2011 Location: Residence: Chula Vista, CA Home: Billings, MT Posts: 996 View My Garage	The quick way to reset the sensor is to shut the car down and disconnect the ECM Harness by the fuse box under the hood (front engine compartment, passenger side). I still don't know the cause of this but have had it several times myself. __________________ The Project: 2011 Camaro 2SS/RS (ERL 427 Superdeck NA Monster) "Just like farmer engineering. Find the weak link and fix it, then find the next one." Salt Cat Racing

10-16-2012, 08:00 PM	#6
Lisa/Jeff Drives: 2012 Rally Yellow 2ss Join Date: Mar 2012 Location: Southern Kentucky Posts: 17	Brandon, I'm not sure how to provide you the requested information without posting all of it on the site. __________________

10-19-2012, 10:45 AM	#8
SteveRS Drives: 2010 SIM Cobalt SS Join Date: Dec 2010 Location: Lorain, Ohio Posts: 6,331	My 2011 LT/RS was the first case to have this issue.. i still have the pictures from it.. they will most likely change out the PCM and that will fix it.. changing the Thermo will most likely not fix it cause it didnt fix mine.. __________________ 2011 Imperial Blue 1.5SS 2010 Silver Ice Cobalt SS

10-19-2012, 06:07 PM	#9
Lisa/Jeff Drives: 2012 Rally Yellow 2ss Join Date: Mar 2012 Location: Southern Kentucky Posts: 17	When we had it at the deal, they could not find what was causing the message and spent several minutes on the phone with GM and still no fix. GM has called and left me message but I haven't been able to speak to anyone yet. __________________

12-05-2012, 10:30 AM	#10
DeMaro Drives: 2017 Camaro ZL1 Coupe Join Date: Dec 2009 Location: Wilmington, Delaware Posts: 49	I have the same problem also still not resolved. Never had an issue on my 2010 coupe but my 2012 Vert has had it since 500 miles or so. DC __________________ 2018 ZL1 Vert 6spd man, 2020 R8 Perf, 2005 S4 Cab 6spd man, 2003 RS6, 2019 850i Vert, 2015 M6 GC 6spd man, 2019 Rubicon Unlimited 6.4 Hemi, 2016 Yukion Denali XL "When parts exceed the whole.....you have Mod Fever!"

12-05-2012, 06:48 PM	#11
Lisa/Jeff Drives: 2012 Rally Yellow 2ss Join Date: Mar 2012 Location: Southern Kentucky Posts: 17	A/C Off due to high temp After about 6 months we think we have our problem fixed. We were near a dealership when the message came on and according to the code it was a bad thermostat sensor. They replaced the thermostate Kit (01246-PCKT) The code was PO128. Plus for some reason when I picked the vehicle up, they had put 6 miles on it, not sure if that was necessary. I hope this took care of the problem! __________________

12-06-2012, 05:04 PM	#13
DeMaro Drives: 2017 Camaro ZL1 Coupe Join Date: Dec 2009 Location: Wilmington, Delaware Posts: 49	Thanks Brandon I am going to try a few more things and will take you up on that I am sure. DC __________________ 2018 ZL1 Vert 6spd man, 2020 R8 Perf, 2005 S4 Cab 6spd man, 2003 RS6, 2019 850i Vert, 2015 M6 GC 6spd man, 2019 Rubicon Unlimited 6.4 Hemi, 2016 Yukion Denali XL "When parts exceed the whole.....you have Mod Fever!"

12-07-2012, 07:32 PM	#14
danielblack60 Drives: 2016 Camaro 1SS A8, 1998 K1500 5spd Join Date: Aug 2010 Location: Russell Springs, Kentucky Posts: 172 View My Garage	It is untelling how many times I've had this customer concern. Every time I scanned one, the code was p0128. Engine coolant temp below threshold. Replaced thermostat and it was like it never happened Not saying you all are having different troubles, but 98.3456 times out of 100 a thermostat will fix your problem. PS: winter months are usually when you see thermostats start to fail, just food for thought. __________________ *2016 1SS A8-12.100 @115 Bone Stock. 11.54 @116 with cat delete, converter and dr's Previous Rides 2010 Camaro 1SS M6-12.14 @114 Bolt Ons 2014 GMC Sierra SLT 5.3/6L80