2010 Cadillac Truck SRX FWD V6-3.0L Page 835

2010 Cadillac Truck SRX FWD V6-3.0L Page 835

Rear Drive Axle

DTC C0574

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 C0574 02

- Printed Circuit Board Temperature Sensor Short to Ground

DTC C0574 04

- Printed Circuit Board Temperature Sensor Open

DTC C0574 13

- Printed Circuit Board Temperature Sensor Low Voltage/High Temperature

DTC C0574 14

- Printed Circuit Board Temperature Sensor High Voltage/Low Temperature

Diagnostic Fault Information

Circuit/System Description

A temperature sensor is installed on the circuit board of the rear differential clutch control module. The sensor is used for calculating the module

circuit board and differential clutch fluid temperature.

Conditions for Running the DTC

* The ignition is ON.

* The test runs with a frequency of 50 Hz.

Conditions for Setting the DTC

C0574 02

The analog-digital converter circuit is shorted to ground for more than 3 seconds.

C0574 04

The analog-digital converter circuit is open for more than 3 seconds.

C0574 13

The board temperature is greater than 115掳C (239掳F) for more than 3 seconds.

C0574 14

The board temperature is less than -40掳C (-40掳F) for more than 3 seconds.

Action Taken When the DTC Sets

One or more of the following actions may occur:

* All-wheel drive (AWD) is disabled.

* Service Rear Axle is displayed on the driver information center.