Diagnostic Fault Information
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.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Stepper Motors 12 V Reference | B023A 02, B0223 06, B0233 06, B0408 06, B0418 06 | B0223 06, B0233 06, B0408 06, B0418 06 | - | - |
| Recirculation Actuator Control 1 | B0223 06 | B0223 06 | B0223 01 | 1 |
| Recirculation Actuator Control 2 | B0223 06 | B0223 06 | B0223 01 | 1 |
| Recirculation Actuator Control 3 | B0223 06 | B0223 06 | B0223 01 | 1 |
| Recirculation Actuator Control 4 | B0223 06 | B0223 06 | B0223 01 | 1 |
| Air Temperature Actuator Control 1 | B0408 06 | B0408 06 | B0408 01 | 1 |
| Air Temperature Actuator Control 2 | B0408 06 | B0408 06 | B0408 01 | 1 |
| Air Temperature Actuator Control 3 | B0408 06 | B0408 06 | B0408 01 | 1 |
| Air Temperature Actuator Control 4 | B0408 06 | B0408 06 | B0408 01 | 1 |
| Passenger Air Temperature Actuator Control 1 | B0418 06 | B0418 06 | B0418 01 | 1 |
| Passenger Air Temperature Actuator Control 2 | B0418 06 | B0418 06 | B0418 01 | 1 |
| Passenger Air Temperature Actuator Control 3 | B0418 06 | B0418 06 | B0418 01 | 1 |
| Passenger Air Temperature Actuator Control 4 | B0418 06 | B0418 06 | B0418 01 | 1 |
| Mode Actuator Control 1 | B0233 06 | B0233 06 | B0233 01 | 1 |
| Mode Actuator Control 2 | B0233 06 | B0233 06 | B0233 01 | 1 |
| Mode Actuator Control 3 | B0233 06 | B0233 06 | B0233 01 | 1 |
| Mode Actuator Control 4 | B0233 06 | B0233 06 | B0233 01 | 1 |
| 1. HVAC Malfunction | ||||