GM Service Manual Online
For 1990-2009 cars only

Conditions for Running the DTC

When the fault is in the subsidiary CPU (Watch-Dog) this fault code happens.

Conditions for Setting the DTC

Electronic brake control module (EBCM) internal fault

Action Taken When the DTC Sets

The warning lamp is ON.

This is a critical operational fault. The antilock brake system (ABS) is disabled and the ABS warning lamp is turned ON. The proportioning is operation.

Step

Action

Yes

No

Schematic Reference: Antilock Brake System Schematics

Connector End View Reference: Antilock Brake System Connector End Views

1

Replace the electronic brake control module.

Is the repair complete?

System OK

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