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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 377 (Power Seats) >> Diagnostic Information and Procedures >> DTC B109D or B109E >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT5. 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.