2010 Cadillac Truck SRX AWD 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
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