Conditions for Clearing the DTC
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- A short to ground in the RAP relay control feed circuit is no longer detected by the BCM.
- A history DTC B1477 will clear after 100 consecutive ignition cycles if the condition for the malfunction is no longer present.