Conditions for Clearing the MIL/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 DTC will clear immediately after the short to ground in the headlamp relay coil supply voltage circuit is repaired or the next fault free ignition cycle.
- A history DTC will clear after 100 consecutive ignition cycles without a fault present.
- History and current DTC(s) can be cleared using a scan tool.