Conditions for Clearing the DTC

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

Condition for DTC is no longer present and scan tool clear DTC function is used.
100 ignition cycles pass with no DTCs detected.

Fig 1: DTC C0550
Courtesy of GENERAL MOTORS CORP.