Mike's Workshop Manuals
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Hummer
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2006
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H3 Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.5L - DTC P0496 To DTC P2125
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DTC P2123
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Conditions for Setting the DTC
Conditions for Setting the DTC
The PCM detects that the APP sensor 1 voltage is more than 4.87 volts for more than 0.4 seconds.