2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1421

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1421

DTC P0562

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