For 1990-2009 cars

### 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 Descriptor

DTC C0569 00: System Configuration Error No Additional Information

### Circuit/System Description

The electronic brake module (EBCM) receives a GMLAN message from each of the network modules. Each module contains its own unique identification (ID) code that must be learned into the EBCM memory. Once all the IDs have been learned and vehicle speed is 25 mph, or greater, the EBCM continuously compares Ids in the GMLAN message to its learned Ids to determine if all the network modules are present.

### Conditions for Running the DTC

The ignition is ON.

### Conditions for Setting the DTC

The EBCM has not undergone the programming procedure.

### Action Taken When the DTC Sets

The driver information center (DIC) displays the SERVICE ABS warning message.

### Conditions for Clearing the DTC

A current DTC will clear when the EBCM has undergone the setup procedure.

### Reference Information

#### Schematic Reference

Antilock Brake System Schematics

#### Connector End View Reference

Antilock Brake System Connector End Views

#### Description and Operation

ABS Description and Operation

#### Electrical Information Reference

• | Circuit Testing

• | Connector Repairs

• | Testing for Intermittent Conditions and Poor Connections

• | Wiring Repairs

#### Scan Tool Reference

Scan Tool Data List for EBCM

### Diagnostic Aids

A newly replaced EBCM will set DTC C0569 on its initial ignition ON cycle.

### Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for EBCM replacement, setup, and programming