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.
- The BCM no longer detects a short to ground in the DRL ambient light sensor signal circuit.
- A history DTC B2647 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.