2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 307
HVAC - Automatic
DTC B0228, B0413, B0423, B0433, B3779, or B3782
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions)provides an overview of each diagnostic category.
DTC Descriptors
B0228 02
- Recirculation Position Feedback Circuit Short to Ground
B0228 04
- Recirculation Position Circuit Actuator Stuck
B0228 05
- Recirculation Position Feedback Circuit Short to Battery or Open
B0228 61
- Recirculation Position Circuit Actuator Out of Range
B0413 02
- Temperature Control 1 Feedback Circuit Short to Ground
B0413 04
- Temperature Control 1 Feedback Circuit Actuator Stuck
B0413 05
- Temperature Control 1 Feedback Circuit Short to Battery or Open
B0413 61
- Temperature Control 1 Feedback Circuit Actuator out of Range
B0423 02
- Temperature Control 2 Feedback Circuit Short to Ground
B0423 04
- Temperature Control 2 Circuit Actuator Stuck
B0423 05
- Temperature Control 2 Feedback Circuit Short to Battery or Open
B0423 61
- Temperature Control 2 Circuit Actuator Out of Range
B0433 02
- Temperature Control 3 Feedback Circuit Short to Ground
B0433 04
- Temperature Control 3 Circuit Actuator Stuck
B0433 05
- Temperature Control 3 Feedback Circuit Short to Battery or Open
B0433 61
- Temperature Control 3 Circuit Actuator Out of Range
B3779 02
- Air Flow Control 9 Feedback Circuit Short to Ground
B3779 04
- Air Flow Control 9 Circuit Actuator Stuck
