Conditions for Clearing the DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

The VIU does not detect an open, short to ground or short to B+ on the serial data return circuit.
The VIU does not detect an open, short to ground or short to B+ on serial data (-) circuit.
The VIU does not detect an open, short to ground or short or B+ on serial data (+) circuit.
The VIU does not detect an open on the battery positive voltage circuit.
A history DTC clears after 50 malfunction free ignition cycles.
The VIU receives the clear DTC command from the scan tool.