2003 Hummer H2 Check Engine Light On 03 H2 Hook Obd2 Scanner Doesn T Read

2003 HUMMER H2
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ANONYMOUS
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I have a check engine light on in my 03 hummer h2.
When I hook it up to the obd2 scanner it doesn't read it. Is there something wrong with the actual plug on the car?
Dec 13, 2012 at 4:58 PM
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SATURNTECH9
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Does the scan tool power up off the connector?See if the orange wire to the connector if it doesnt it wont read the computer.
Dec 13, 2012 at 5:02 PM
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HUZEFAUKANI
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The scanner is battery powered. I also took it to AutoZone. They check for the check engine light. They told me this not reading the connection. So it's not a problem with the scanner. I don't know what is the problem
Dec 13, 2012 at 5:23 PM
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JACOBANDNICKOLAS
  • Experienced Mechanic
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Try what saturntech9 suggested. Check to see if the orange wire is connected. If you are not getting a reading, chances are there is a wiring problem.
Dec 13, 2012 at 5:49 PM
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SATURNTECH9
  • Experienced Mechanic
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See if the orange wire to the connector has power?If it doesn't the scan tool wont read the computer.Let me know what you find?
Dec 14, 2012 at 10:23 PM
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