Conditions for Clearing the DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 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 for 11.5 milliseconds, turns the power off, then waits for 50 milliseconds and sees a voltage value less than 1.8 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.