GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Change Oil Lamp

Dash Lamps

The PCM illuminates the CHANGE OIL SOON indicator in the DIC.

Engine Oil Life Reset

Oil Life Reset

The scan tool commands the desired percentage (0-100%) input by the scan tool user.

GEN

Dash Lamps

The PCM requests the IPC to illuminate the charge indicator.

Hot Lamp

Dash Lamps

The PCM requests the IPC to illuminate the coolant temperature indicator.

Low Oil Lamp

Dash Lamps

The PCM requests the IPC to illuminate the low oil level indicator.

MIL

Dash Lamps

The PCM requests the IPC to illuminate the MIL indicator.