Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- A current DTC B3857 will clear if the BCM no longer detects a short to battery voltage, short to ground or an open in the high beam headlamp signal circuit.
- A history DTC B3857 will clear after 100 consecutive ignition cycles if the condition for the malfunction is no longer present.
- A DTC B3857 will clear when commanded by a scan tool.