Mike's Workshop Manuals
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Hummer
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2009
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H3 Alpha
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Repair and Diagnosis
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Engine Performance
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Engine Controls And Fuel - 5.3L - DTC P1380 To DTC P2635
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DTC P2534
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Conditions for Setting the DTC
Conditions for Setting the DTC
The FPCM detects that the IGN voltage is less than 6.0 volts.