Cruise Control Inhibited

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 inhibits the cruise control operation when any of the following conditions exist:

The vehicle is in PARK, REVERSE, NEUTRAL, or 1st gear.
The engine RPM is low.
The engine RPM is high.
The vehicle speed is high.
The system voltage is not between 9 volts-16 volts.
The anti-lock brake system/traction control system is active for more than 2 seconds.

When the PCM detects a malfunction, or the cruise control criteria has not been met, the PCM grounds the cruise control inhibit signal circuit and the cruise control module detects a low signal voltage.