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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 669 (Electronic Suspension System - Real Time Damping (RTD)) >> Diagnostic Information and Procedures >> DTC C0550: ECU Malfunction - Internal Write/Checksum Malfunction >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

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.
  1. Using the scan tool.
  2. A history DTC will clear after 100 consecutive ignition cycles if the condition for the malfunction is no longer present.
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