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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P1175 >> DTC P0685, P0689, or P0690 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil B+ P0685 P0685 - -
Relay Switch B+ P0689 P0689 - -
Relay Coil Control P0685 P0685 P0685 -
Relay Ignition Output Ignition 1 Voltage P0689 P0689 P0690 -
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