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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0622 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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With the engine running, the ECM detects a PWM signal less than 5 percent for at least 15 seconds.

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