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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