Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
P1077
The stop/start capacitor control module detects the LIN supply voltage is less than 9.12 V.
P1078
The stop/start capacitor control module detects the LIN supply voltage is greater than 17.16 V.
P107A
The stop/start capacitor control module detects the battery voltage is less than 6.34 V.
P107B
The stop/start capacitor control module detects the battery voltage is greater than 17.06 V.
P107D
The stop/start capacitor control module detects the external safe supply voltage is less than 62% of the measured battery voltage.
P107E
The stop/start capacitor control module detects the external safe supply voltage is greater than 17.16 V.