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Driving today about 25-30mi into my trip on the highway "serv tpm" message came up on the dash stoped at a gas station for 5-10 min started truck message was gone..did some more city driving stayed off the whole time ,got back on the highway and roughly the same time/distance into my trip the message came up on the dash "serv tpm" the truck has been sitting about 20-30 min now since i got home and the message is still on .. Any thoughts?
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the serv. tpm is the message you get for low air inflation, no major deal and nothing to worry about...nuttin is broke. You will get the message at each ignition cycle, just hit the trip odometer button once and the message will go off and not reappear until the next ignition cycle. The entire TPS system that GM developed is a waste of time and money, I haven't even had the sensors for three months now and only got the message one time.