Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC B0228, B0413, B0423, or B3779
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Recirculation Door Control Circuit | B0228 61 | B0228 61 | B0228 61 | - |
| Recirculation Door Ignition 3 Voltage | B0228 61 | B0228 61 | - | - |
| Recirculation Door Position Signal | B0228 02 | B0228 02 | B0228 05 | - |
| Recirculation 5-Volt Reference Circuit | B0228 02, B3779 02, B0413 02, B0423 02 | B0228 61 | B0228 05, B3779 05, B0413 05, B0423 05 | - |
| Recirculation Low Reference Circuit | - | B0228 61 | B0228 61 | - |
| Driver Air Temperature Door Control Circuit | B0413 61 | B0413 61 | B0413 61 | - |
| Driver Air Temperature Door Ignition 3 Voltage | B0413 61 | B0413 61 | - | - |
| Driver Air Temperature Door Position Signal | B0413 02 | B0413 02 | B0413 05 | - |
| Driver Air Temperature 5-Volt Reference Circuit | B0228 02, B3779 02, B0413 02, B0423 02 | B0413 61 | B0228 05, B3779 05, B0413 05, B0423 05 | - |
| Driver Air Temperature Low Reference Circuit | - | B0413 61 | B0413 61 | - |
| Passenger Air Temperature Door Control Circuit | B0413 61 | B0413 61 | - | - |
| Passenger Air Temperature Door Ignition 3 Voltage | B0413 61 | B0413 61 | - | - |
| Passenger Air Temperature Door Position Signal | B0423 02 | B0423 02 | B0423 05 | - |
| Passenger Air Temperature 5-Volt Reference Circuit | B0228 02, B3779 02, B0413 02, B0423 02 | B0423 61 | B0228 05, B3779 05, B0413 05, B0423 05 | - |
| Passenger Air Temperature Low Reference Circuit | - | B0418 61 | B0423 61 | - |
| Mode Door Control Circuit | B3779 61 | B0248 61 | B3779 61 | - |
| Mode Door Ignition 3 Voltage | B3779 61 | B3779 61 | - | - |
| Mode Door Position Signal | B3779 61 | B3779 61 | B3779 61 | - |
| Mode 5-Volt Reference Circuit | B0228 02, B3779 02, B0413 02, B0423 02 | B3779 61 | B0228 05, B3779 05, B0413 05, B0423 05 | - |
| Mode Low Reference Circuit | - | B3779 61 | B3779 61 | - |