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.
B109D 11 or B109E 11
The seat adjuster memory module detects a short to ground for greater than 100 ms.
B109D 12 or B109E 12
The seat adjuster memory module detects a short to voltage for greater than 100 ms.
B109D 13 or B109E 13
The seat adjuster memory module detects an open/high resistance in a control circuit for greater than 3 s.