2010 Cadillac Truck SRX FWD V6-3.0L Page 1564

2010 Cadillac Truck SRX FWD V6-3.0L Page 1564

Engine Control Module

* The vehicle speed is above 8 km/h (5 mph).

* The system voltage is between 9.5-18 V.

Fuel Pump Control Module

The ignition is ON.

Transmission Control Module

The system voltage is between 8.6-18.0 V.

Conditions for Setting the DTC

Engine Control Module

The engine control module detects a system voltage above 16 V for less than 1 second.

Fuel Pump Control Module or Transmission Control Module

The module detects the system voltage is greater than 18 V.

Action Taken When the DTC Sets

DTC P0563 is a C type DTC.

Conditions for Clearing the DTC

DTC P0563 is a C type DTC.

Diagnostic Aids

* A possible cause of this DTC could be overcharging with a battery charger or jump starting.

* A high voltage value in multiple modules indicates a concern in the charging system.

Reference Information

Schematic Reference

* Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls

Schematics (LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)

* Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams) for the

MH2 and MH4 transmissions

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)

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code

(DTC) Type Definitions)

Scan Tool Reference

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

Circuit/System Verification