Monday, October 11, 2021

2010 Cadillac Truck SRX FWD V6-3.0L Page 477

2010 Cadillac Truck SRX FWD V6-3.0L Page 477



* The DTC will clear if the fault does not return after 50 consecutive ignition cycles.



* The DTC will clear when run state of charge is greater than or equal to 80 percent.



Reference Information



Schematic Reference



Starting and Charging Schematics (See: Starting and Charging/Diagrams/Electrical Diagrams)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Charging System Description and Operation (See: Starting and Charging/Charging System/Description and Operation)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Refer to Battery Electrical Drain/Parasitic Load Test (See: Starting and Charging/Testing and Inspection/Component Tests and General



Diagnostics/Battery Electrical Drain/Parasitic Load Test).



B1529



DTC B1405, B1529, or B257B



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 B1405 02



- Control Module Voltage Reference Output 2 Circuit Short to Ground



DTC B1405 03



- Control Module Voltage Reference Output 2 Circuit Low Voltage



DTC B1405 07



- Control Module Voltage Reference Output 2 Circuit High Voltage



DTC B1529 03



- Control Module Voltage Reference Output 5 Circuit Low Voltage



DTC B1529 07



- Control Module Voltage Reference Output 5 Circuit High Voltage



DTC B257B 03



- Lighting Control Switch Signal Low Voltage



DTC B257B 07



- Lighting Control Switch Signal High Voltage

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