Action Taken By VCM

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1998 GMC Savana Special, 1998 GMC Savana Camper Special, 1998 GMC Savana, 1998 Chevrolet RV Cutaway, and 1998 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

VCM performs the following if DTC is set:

Will light MIL at first failure signal.
Freezes shift adapts from being updated.
Defaults to a low state shift pattern when 4WD low is stuck off and a high state shift pattern when stuck on.
DTC P1875 will be stored in VCM history.