Conditions for Setting the DTC
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.
- Ignition ON, engine OFF - The ECM detects greater than 3.5 V on the generator control circuit for 5 seconds
- Engine running - The ECM detects a low voltage for 15 seconds on the generator control circuit when the duty cycle voltage is commanded high
- Engine running - The ECM detects a high voltage for 15 seconds on the generator control circuit when the duty cycle voltage is commanded low