Tuesday, April 23, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 231


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



B0433



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