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TPMS driving me crazy!

telemike

Hummer Enthusiast
Messages
466
Location
Greensboro, NC
I am not sure what is going on. I am getting random SERV TPMS messages on my DIC. Sometimes it will show an error whiel I am drving for 5-20 minutes then goes off. I have done the re-learn procedure 3 times and all 4 sensor beep the horn. Do I need to do the spare tire at all? It is a 2007 and the original spare tire is still there.
 

3rdH3

Well-Known Member
Messages
218
Location
Blacksburg, VA
No. The BCM will only read 4 positions. Your spare may or may not have a sensor in it depending on if it was an early or late build that year. They did not put them in the later editions. Sounds like you may have a sensor going bad or simply has reached the end of it's life. Good Luck
 

telemike

Hummer Enthusiast
Messages
466
Location
Greensboro, NC
I had new sensors installed this year. Will go back to tire place and have them checked. However, they do register when doing the relearn procedure.
 
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