Action Taken By PCM

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

PCM performs the following if DTC is set:

PCM illuminates MIL during the second consecutive trip in which conditions for setting DTC are met.
PCM inhibits TCC.
PCM inhibits 4th gear if transaxle is in hot mode.
PCM freezes shift adapts.
PCM records operating conditions when the conditions for setting DTC are met. PCM stores this information as freeze frame and failure records.
PCM stores DTC P1860 in PCM history during the second consecutive trip in which the "Conditions for Setting the DTC" are met.