Action Taken When the DTC Sets
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- The PCM does not illuminate the malfunction indicator lamp (MIL).
- The PCM disables the PC solenoid valve, defaulting the transmission to maximum line pressure.
- The PCM freezes shift adapts.
- The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Failure Records.
- The PCM stores DTC P0748 in PCM history.