Conditions for Running the DTC
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The voltage supplied to the BCM is in the range of 7-26 volts.
The voltage supplied to the body control module is in the range of 7-26 volts.