2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 316
Motor/Service and Repair/HVAC - Automatic/Auxiliary Temperature Valve Actuator Replacement (Behr))Auxiliary Temperature Valve
Actuator Replacement (Delphi) (See: Heating and Air Conditioning/Air Door/Air Door Actuator / Motor/Service and Repair/HVAC -
Automatic/Auxiliary Temperature Valve Actuator Replacement (Delphi))
* Auxiliary Mode Valve Actuator Replacement (Behr) (See: Heating and Air Conditioning/Air Door/Air Door Actuator / Motor/Service and
Repair/HVAC - Automatic/Auxiliary Mode Valve Actuator Replacement (Behr))Auxiliary Mode Valve Actuator Replacement (Delphi) (
See: Heating and Air Conditioning/Air Door/Air Door Actuator / Motor/Service and Repair/HVAC - Automatic/Auxiliary Mode Valve
Actuator Replacement (Delphi))
* Control Module References (See: Testing and Inspection/Programming and Relearning)for HVAC control module replacement, setup, and
programming
B0509
DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578, or B3583
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
DTC B0158 02
- Outside Air Temperature Sensor Circuit Short to Ground
DTC B0158 05
- Outside Air Temperature Sensor Circuit Short to Battery or Open
DTC B0163 02
- Passenger Compartment Temp Sensor 1 Circuit Short to Ground
DTC B0163 05
- Passenger Compartment Temp Sensor 1 Circuit Short to Battery or Open
DTC B0168 02
- Passenger Compartment Temp Sensor 2 Circuit Short to Ground
DTC B0168 05
- Passenger Compartment Temp Sensor 2 Circuit Short to Battery or Open
DTC B0173 02
- Output Air Temperature Sensor 1 Circuit Short to Ground
DTC B0173 05
- Output Air Temperature Sensor 1 Circuit Short to Battery or Open
DTC B0178 02
- Output Air Temperature Sensor 2 Circuit Short to Ground
DTC B0178 05
- Output Air Temperature Sensor 2 Circuit Short to Battery or Open
DTC B0509 02
- Output Air Temperature Sensor 3 Circuit Short to Ground
DTC B0509 05
- Output Air Temperature Sensor 3 Circuit Short to Battery or Open
DTC B0514 02
- Output Air Temperature Sensor 4 Circuit Short to Ground
DTC B0514 05
- Output Air Temperature Sensor 4 Circuit Short to Battery or Open
DTC B3578 02
- Output Air Temperature Sensor 6 Circuit Short to Ground
