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Home >> Hummer >> 2009 >> H3T Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0324 To DTC P0446 >> DTC P0685 or P0690 >> DTC Descriptors
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DTC Descriptors

DTC P0685

Engine Controls Ignition Relay Control Circuit

DTC P0690

Engine Controls Ignition Relay Feedback Circuit High Voltage

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