20 Most Recent 2007 Hummer H2 SUT Questions & Answers


The VIN number is behind the windscreen on the lower left corner. Some also have it inside the glove box. American and Mexican made Hummers do not have a chassis number as such.

2007 Hummer H2... | Answered on May 09, 2015


most blinkers uses relays, and when they flashes fast one light is out, but you replaced your burnt bulb might be a bad relay.

2007 Hummer H2... | Answered on Apr 16, 2015


The Powertrain Control Module (PCM) is shutting down your throttle body control for some reason and limiting how much throttle you can apply. The only way to find out why it is doing this is to scan the PCM for Diagnostic Test Codes (DTCs) and diagnose any existing codes accordingly. It is very likely to be caused by a fault in your throttle position sensor or accelerator pedal position sensor circuits.

There is a Technical Service Bulletin (TSB) for your vehicle which covers a known problem with reduced engine power and sets DTC P2138. The known problem is that the Accelerator Pedal Position (APP) sensor circuits are being infiltrated by water intrusion into a connector and causing erratic voltage readings at the PCM. It is TSB reference # 07-06-04-019D

2007 Hummer H2... | Answered on Jul 21, 2014


either the key is ruined or you need new ignition , have you a spare key ?

2007 Hummer H2... | Answered on Jun 13, 2014


its probably the chip in the key is wore it may need to be reprogrammed

2007 Hummer H2... | Answered on Jun 11, 2014


Replave the lock with a matching unit badsed o n the key type number

2007 Hummer H2... | Answered on May 17, 2014


Sounds like either a broken motor/transmission support (most likely) or a defective universal joint in the drive shaft.

If you need further help, reach me via phone at https://www.6ya.com/expert/tom_1788908372a4836f

2007 Hummer H2... | Answered on Nov 28, 2013


check battery condition with a load test first. Make sure terminals a bright clean and tight

2007 Hummer H2... | Answered on Aug 17, 2013


As with most GM cars and trucks, you turn the key switch on but don't start the engine. Depress the gas pedal to the floor 3 times. The change oil light should flash. Turn the key off, then start the engine.
Check your owners manual for details.

2007 Hummer H2... | Answered on Jun 23, 2013


Ray, this appears to be with the power steering system. I would start with verifying the condition and power/pressure output of the power steering pump. You did not state the mileage or vehicle maintenance status, however even well maintained vehicles and components do fail at times.

2007 Hummer H2... | Answered on Sep 10, 2012

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