Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- The VCIM powers the button assembly through the Keypad Supply Voltage circuit, turns the power OFF, then waits for 10 ms and sees a voltage value less than 5 volts on this circuit.
- A history DTC clears after 50 malfunction free ignition cycles.
- The VCIM receives the clear DTC command from the scan tool.