2010 Cadillac CTS Sedan AWD V6-3.0L Page 1483
* 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 Descriptor
DTC P0562
- System Voltage Low
Diagnostic Fault Information
Circuit/System Description
The following control modules monitor the system voltage to ensure that the voltage stays within the proper range:
* Engine control module
* Fuel pump control module
* Transmission control module
Damage to components, and incorrect data may occur when the voltage is out of range.
Conditions for Running the DTC
Engine Control Module
* The engine is running.
* The system voltage is between 9.5-18 V.
Fuel Pump Control Module
The engine is running.
Transmission Control Module
* Engine speed is 1200 RPM or greater.
* The system voltage is between 8.6-18 V.
Conditions for Setting the DTC
Engine Control Module
The engine control module detects a system voltage below 10 V for 5 seconds.
Fuel Pump Control Module or Transmission Control Module
The module detects a system voltage below 9 V for 4 seconds.
Action Taken When the DTC Sets
DTC P0562 is a C type DTC.
Conditions for Clearing the DTC
DTC P0562 is a C type DTC.
Reference Information
Schematic Reference
* Engine Controls Schematics (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram) for the LSA engine
* Engine Controls Schematics (LLT) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls
Schematics (LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram) for the LF1 and LLT engine
* Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams) for the
MYA, MYB, and MYD transmission
