Outside Temperature Reading

[John Klumpp]

My outside temperature in NJ is 55degrees screen on dash reads 35 degrees. It's opposite of what you have.

[smit303]

My refreshed 22 Denali is very accurate. Obviously reads high for a few miles if parked in blazing sun, but it comes down to normal temps quickly.

[Jus Cruisin]

Mine is reasonably close actual. About the same as everything else over the years. 

[fondupot]

My 2022 LTD is about 5 degrees off. Been meaning to figure out where the sensor is and see if its artificially inflated due to something with the radiator or whatnot. Historically the sensor was mounted near the front grille in front of the radiator.

[bdallas]

19 minutes ago, fondupot said:

My 2022 LTD is about 5 degrees off. Been meaning to figure out where the sensor is and see if its artificially inflated due to something with the radiator or whatnot. Historically the sensor was mounted near the front grille in front of the radiator.

It should be under the outside passenger side rear-view mirror

[Z45]

Temperature can vary from location to location.  Whats more reading between equipment can vary. 

 

The temp sensor is located in center of grill below hood latch support. 

[fondupot]

4 hours ago, bdallas said:

It should be under the outside passenger side rear-view mirror

 

Well that doesn't track. Because I've replaced my OEM mirrors with Boost Auto towing mirrors and the temp sensor still works...

[bdallas]

53 minutes ago, fondupot said:

 

Well that doesn't track. Because I've replaced my OEM mirrors with Boost Auto towing mirrors and the temp sensor still works...

That's because Boost Auto tow mirrors are shipped with the sensors installed.

[fondupot]

16 hours ago, bdallas said:

That's because Boost Auto tow mirrors are shipped with the sensors installed.

Well that’s neat. Thanks for the information 

[Mcflygb79]

I was told by my GM dealer that this is a know issue. I have a 2024 at4x 2500 with the same issue 8-15 degrees off. Pretty sad that a 90k truck can have these issues. Unbelievable 

[GMCustomerService]

22 hours ago, Mcflygb79 said:

I was told by my GM dealer that this is a know issue. I have a 2024 at4x 2500 with the same issue 8-15 degrees off. Pretty sad that a 90k truck can have these issues. Unbelievable 

We regret to hear of this concern revolving around the temperature reading in your vehicle and would like to investigate further on our end. 

[Jus Cruisin]

I haven't even wanted to look at mine lately. Extremely depressing looking at single digit numbers. 

[redwngr]

On 1/21/2025 at 5:22 PM, Mcflygb79 said:

I was told by my GM dealer that this is a know issue. I have a 2024 at4x 2500 with the same issue 8-15 degrees off. Pretty sad that a 90k truck can have these issues. Unbelievable 

Is it that far out all the time or just at start-up?

[DubVBenz]

On all of my other cars, which are mercedes dating back to the 80s, the thermometer's have been near the road surface. Given that it's asphalt, the road surface is always warmer than the ambient temperature. I assume my truck is the same. It's more useful to know the road temp during freezing or near freezing conditions. 

 

That said, my truck's thermometer seems more stubborn than my others, taking longer to adjust to outside conditions after I pull it out of my garage. 

Edited January 25, 2025 by DubVBenz

[GETGONE]

The temperature sensor is located on the bottom of the passenger rear view mirror.