LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1996 >> Forward Control 4.3 W >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Generator & Regulator) >> Self-Diagnostic System >> DRB Test Functions >> VEHICLES TESTED Mode
April 5, 2026: LEMON Manuals is launched! Read the announcement.

VEHICLES TESTED Mode

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. This mode is used to show which vehicles are covered by DRB cartridge. To access vehicles tested mode, turn ignition off. Attach DRB to Data Link Connector. DLC is located under center of dash, right of steering column.
  2. Turn ignition switch to RUN position. All DRB character positions will illuminate and copyright information will appear on screen for several seconds. After several seconds DRB menu will appear.
  3. At DRB menu, press "1" (VEHICLES TESTED) key. Press ENTER key. DRB will display vehicles covered by cartridge. Screen will display for 5 seconds and return to DRB menu.
scientia non olet · About LEMON Manuals