Mike's Workshop Manuals
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Hummer
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2009
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H3 Base, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls And Fuel - 3.7L - DTC P1400 To DTC P2635
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DTC P1682
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Conditions for Running the DTC
Conditions for Running the DTC
The ignition is in the Unlock/Accessory, Run, or Crank position.
The system voltage is more than 5.23 volts.
The powertrain relay is commanded ON.
DTC P1682 runs continuously when the above conditions are met.