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I have a 2008 GMC 2500HD and want to know if there's somewhere to adjust the tire pressures used in the tire pressure monitoring system to something other than stock pressures when using aftermarket wheels so the light isn't on all the time? I don't want to disable it only to be able to enter the correct pressures for the tires I'm using.
All you need is to find someone with a Tech 2, or have a dealer do it. It's a simple setting right in the Tech 2, you don't have to reflash, but you will need to relearn wheel positions after changing pressure settings.
I get a lot of requests for this feature, as in different tires use higher/lower pressures than factory, custom wheels doing away with sensors, etc. The light on in the dash can get very annoying. I wish these tables would get developed:)
As it is my understanding it is on the BCM or maybe it part of the passenger side door module which is where the signal of the snesors are picked up. Same for the key fob. No support in this area from EFILive. Only ECM and TCM support.
Brian