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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0622 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON engine OFF, the ECM/PCM detects a PWM signal that is greater than 65 percent for 5 seconds.

Engine running, the ECM/PCM detects a PWM signal that is less than 5 percent for 15 seconds.

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