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.

DTC B3410 01

The headlamp control module detects a short to voltage in the front suspension height sensor signal circuit.

DTC B3410 06

The headlamp control module detects a short to ground or an open/high resistance in the front suspension height sensor signal circuit.

DTC B3410 08

The headlamp control module detects an invalid signal in the front suspension height sensor signal circuit.

DTC B3420 01

The headlamp control module detects a short to voltage in the rear suspension height sensor signal circuit.

DTC B3420 06

The headlamp control module detects a short to ground or an open/high resistance in the rear suspension height sensor signal circuit.

DTC B3420 08

The headlamp control module detects an invalid signal in the rear suspension height sensor signal circuit.