Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.
- A current DTC B2577 will clear if the BCM no longer detect a short to ground or open in the headlamp relay coil control circuit.
- A history DTC B2577 will clear after 100 consecutive ignition cycles if the condition for the condition is no longer present.
- The BCM receives the Clear Code command from the scan tool.