Service Information

Volt

DTC C0574

Diagnostic Instructions

•	Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC C0574 08: Printed Circuit Board Temperature Sensor Performance - Signal Invalid

DTC C0574 11: Printed Circuit Board Temperature Sensor High Input

Circuit/System Description

The electronic brake control module monitors the internal temperature sensor.

Conditions for Running the DTC

•	Vehicle ON or Vehicle in Service Mode.

•	The ignition voltage is greater than 10 V.

Conditions for Setting the DTC

C0574 08

The electronic brake control module detects an internal temperature sensor failure.

C0574 11

The temperature sensor value is greater than 284° F for greater than 1 second.

Action Taken When the DTC Sets

No indicators or warning messages are displayed.

Conditions for Clearing the DTC

•	The condition for setting the DTC is no longer present.

•	The history DTC will clear after 40 consecutive fault-free drive cycles have occurred.

Reference Information

Electrical Information Reference

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Note: Diagnose all other electronic brake control module system related faults first, if DTC C0574 goes into history after a 15 minute cool down period. Other electronic brake control module faults may cause the circuit board to overheat.

Vehicle in Service Mode.
Verify DTC C0574 is not set.

⇒	*If the DTC is set*

Replace the K17 electronic brake control module.

⇓	*If the DTC is not set*

All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for electronic brake control module replacement, programming and setup