Diagnostic Aids

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

A DTC B1370 may set if the ignition 1 circuit is outside the 9 - 16 V range.
A flashing driver air bag indicator is displayed if the inflatable restraint sensing and diagnostic module was programmed but did not fully complete the programming. For a flashing driver air bag indicator, refer to K36 Inflatable Restraint Sensing and Diagnostic Module: Programming and Setup .