DTC Descriptors

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC B0413 02: Temperature Control 1 Feedback Circuit Short to Ground
DTC B0413 05: Temperature Control 1 Feedback Circuit Short to Battery or Open
DTC B0413 61: Temperature Control 1 Feedback Circuit Actuator Stuck Open
DTC B0423 02: Temperature Control 2 Feedback Circuit Short to Ground
DTC B0423 05: Temperature Control 2 Feedback Circuit Short to Battery or Open
DTC B0423 61: Temperature Control 2 Circuit Actuator Stuck
DTC B0433 02: Temperature Control 3 Feedback Circuit Short to Ground
DTC B0433 05: Temperature Control 3 Feedback Circuit Short to Battery or Open
DTC B0433 61: Temperature Control 3 Circuit Actuator Stuck
DTC B3779 02: Air Flow Control 9 Feedback Circuit Short to Ground
DTC B3779 05: Air Flow Control 9 Feedback Circuit Short to Battery or Open
DTC B3779 61: Air Flow Control 9 Circuit Actuator Stuck
DTC B3782 02: Air Flow Control 10 Feedback Circuit Short to Ground
DTC B3782 05: Air Flow Control 10 Feedback Circuit Short to Battery or Open
DTC B3782 61: Air Flow Control 10 Circuit Actuator Stuck