LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2004 >> Sonoma >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Cruise Control System) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Cruise Control Active

Displays Yes / No. Indicates that the PCM has seen a transition in the engaged circuit.

Cruise Inhibit Signal Command

Displays On / Off. Indicates if the PCM is commanding the cruise control module to inhibit cruise control operation because of a non cruise control event or the vehicle parameters are out of the cruise control enable criteria.

TCC Brake Pedal Switch

Displays Released/Applied. Indicates the current state of the TCC Brake pedal switch circuit. A closed switch (brake pedal released) indicates B+ voltage on the signal circuit. When you apply the vehicle brakes, the scan tool displays Applied. The torque converter clutch and cruise control disengage. When you release the brake pedal the scan tool displays Released. This allows the cruise control to be resumed and the torque converter clutch to engage