GM Service Manual Online
For 1990-2009 cars only
Table 1: Powertrain Control Module (PCM)
Table 2: Instrument Panel Cluster (IPC)

Powertrain Control Module (PCM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Cruise Inhibit

Engine Output Controls

The PCM monitors the parameters necessary for cruise control operation. If the vehicle falls out of any of the parameters necessary to maintain cruise control, or a scan tool commands the PCM to open the cruise control inhibit circuit, the cruise control will be disabled.

Instrument Panel Cluster (IPC)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Display(s) Test

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Cruise Indictator