Conditions for Running the DTC
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- The system voltage must be between 9-16 volts.
- The ignition switch in the OFF position.
- Unlock doors from the remote control door lock key fob, or open any door, or turn ON the dome lamp from the headlamp switch thumbwheel.