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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 591 (Anti-Lock Brake System) >> Diagnostic Information & Procedures >> DTC C0290 or C0292: EBCM Failed to Receive Serial Data from PCM >> Circuit Description

Circuit Description

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The Powertrain Control Module (PCM) sends a state of health message to the EBCM within 5.5 seconds after the modules are powered up. This message is sent via serial data communications.

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