Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Question regarding Onstar

Old Jul 28, 2014 | 10:03 AM
  #1  
cvo2011's Avatar
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Joined: Jul 2014
Posts: 1
Default Question regarding Onstar

Does the Onstar diagnostic report include the same information you would see if you scanned the diagnostic codes with a scan tool?

My old H3 is starting to act up on me a bit. Trying to decide whether to just reactivate Onstar or buy a scan tool.

Thanks in advance!
 
Old Jul 28, 2014 | 03:11 PM
  #2  
Doc Olds's Avatar
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Joined: Jul 2007
Posts: 13,096
From: Boat Town USA MI
Default

Welcome.

OnStar is useless.

When was the last time your cleaned your MAF sensor & Throttle Body? Search that for instructions.

Stop by an auto parts and have them scan it. If you do not have a CEL, then you do not have a code to read unless there is one stored in there from before you bought it.
 
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