2010 Cadillac CTS Sedan AWD V6-3.6L Page 602
DTC Descriptors
DTC B0248 61
- Air Flow Control 3 Circuit Actuator Stuck
DTC B0268 61
- Air Flow Control 7 Circuit Actuator Stuck
DTC B0408 61
- Temperature Control 1 Circuit Actuator Stuck
DTC B0413 06
- Temperature Control 1 Feedback Circuit Short to Ground or Open
DTC B0418 61
- Temperature Control 2 Circuit Actuator Stuck
DTC B0423 06
- Temperature Control 2 Feedback Circuit Short to Ground or Open
DTC B3761 06
- Air Flow Control 3 Feedback Circuit Short to Ground or Open
DTC B3773 06
- Air Flow Control 7 Feedback Circuit Short to Ground or Open
Diagnostic Fault Information
Circuit/System Description
The HVAC control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of an
electric motor and a potentiometer. The module supplies a low reference and 5-volt reference source voltage to the potentiometer. The HVAC
