Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

The DTC will be current for as long as the fault is present.
When the fault is no longer present the DTC will be a history status code.
The history DTC will be cleared after 100 error free ignition cycles, or by using the scan tool clearing DTCs feature.

Fig 1: DTC B1826

Courtesy of GENERAL MOTORS CORP.