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.
B173A 02, B173D 02
The folding top control module detects a short to ground on the seat belt presenter position sensor signal circuit.
B173B 02, B173E 02
The folding top control module detects a short to ground on the seat belt presenter motor control circuit.
B173A 08, B173D 08
The folding top control module does not detect a change in the seat belt presenter position sensor signal when a motion of the seat belt presenter motor has been commanded.
B173B 04, B173E 04
The folding top control module detects an open on the seat belt presenter motor control circuit.