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Spare Tire TPMS

JW2024
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JW2024 Enthusiast

JW2024

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I have a 2024 Sierra 2500 AT4X. I just did a tire rotation and included my spare in the rotation. It’s now in the back right position. Once I got moving, 3 tires showed up but 4th tire is blank. I adjusted the tire pressures all the way around according to the sticker in the door jamb, 65 in the front and 55 in the back. The display shows the 65 tires are in the back and 1 55 tire in the front. The front left shows nothing still. I bought a relearn tool and get the horn honk on FL and FR. When I get to the BR nothing happens and the process times out. 
 

Does the full spare come with a TPMS sensor? The wheel and tire combo is the exact same as the other 4. 

  • 3 weeks later...
4th Duramax Enthusiast

4th Duramax

Posted
Posted (edited)

AT4X carrier vs regular 2500/3500 HD spare tire storage question.

Hi. I  see you mention that your full size spare is the same GM aluminum wheel as your other wheels. I have been wanting to add a full size aluminum spare to my truck but I have read that an aluminum wheel should only be stored in the spare tire rack temporarily and not kept there long term because of corrosion etc. I am wondering if the AT4X and ZR2 have a different spare tire carrier or is it just the standard carrier that the normal HD’s have? I’d like to put a full size black 20” spare wheel and tire under there but was worried the carrier might damage the aluminum wheel. Anything different about your spare tire carrier under your truck from that of a regular HD truck? Thank you for any info.

Edited by 4th Duramax
gemarsh Senior Enthusiast

gemarsh

Posted
Posted
3 hours ago, 4th Duramax said:

AT4X carrier vs regular 2500/3500 HD spare tire storage question.

Hi. I  see you mention that your full size spare is the same GM aluminum wheel as your other wheels. I have been wanting to add a full size aluminum spare to my truck but I have read that an aluminum wheel should only be stored in the spare tire rack temporarily and not kept there long term because of corrosion etc. I am wondering if the AT4X and ZR2 have a different spare tire carrier or is it just the standard carrier that the normal HD’s have? I’d like to put a full size black 20” spare wheel and tire under there but was worried the carrier might damage the aluminum wheel. Anything different about your spare tire carrier under your truck from that of a regular HD truck? Thank you for any info.

I put the stock at4hd 20" rim and matching tire that I'm running, up under there.

 

gm uses the same winch system.

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JW2024 Enthusiast

JW2024

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On 2/23/2025 at 3:48 AM, 4th Duramax said:

AT4X carrier vs regular 2500/3500 HD spare tire storage question.

Hi. I  see you mention that your full size spare is the same GM aluminum wheel as your other wheels. I have been wanting to add a full size aluminum spare to my truck but I have read that an aluminum wheel should only be stored in the spare tire rack temporarily and not kept there long term because of corrosion etc. I am wondering if the AT4X and ZR2 have a different spare tire carrier or is it just the standard carrier that the normal HD’s have? I’d like to put a full size black 20” spare wheel and tire under there but was worried the carrier might damage the aluminum wheel. Anything different about your spare tire carrier under your truck from that of a regular HD truck? Thank you for any info.

I don’t think my tire carrier is any different than the non-AT4X/ZR2 models. Just a winch and small heat shield. The manual just says to put the tire valve stem up instead of down. 

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