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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 629 (Electronic Suspension System - Real Time Damping (RTD)) >> Diagnostic Information and Procedures >> DTC C0550: ECU Malfunction - Internal Write/Checksum Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 GMC Yukon. However, it is still accessible from the selected car via links, so may be relevant.

The Electronic Suspension Control (ESC) module performs internal checks on hardware and software calibrations to ensure valid operation.

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