Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The TCM does not illuminate the malfunction indicator lamp (MIL).
The TCM freezes shift adapts from being updated.
The TCM records the operating conditions when the Conditions for Setting the DTC are met. The TCM stores this information as Failure Records.
The TCM stores DTC P0218 in TCM history.
The TCM inhibits TCC engagement.