2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 307

2010 Cadillac Truck Escalade/ESV RWD 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