Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
- Control Module B+ Voltage circuit 2640 is less than 9 V for more than 5 S or Ground circuit 2550 has an open or high resistance condition.
- Control Module B+ Voltage circuit 2640 is greater than 15 V for more than 5 S or Ground circuit 2550 has an open or high resistance condition.