2010 Cadillac Truck SRX AWD V6-3.0L Page 477

2010 Cadillac Truck SRX AWD 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