Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

The ECM does not illuminate the malfunction indicator lamp (MIL).
The ECM uses the transmission range data to enable engine cranking.
The ECM records the operating conditions when the Conditions for Setting the DTC are met. The ECM stores this information as Failure Records.
The ECM stores DTC P0852 in ECM history.