DTC B2477: Reverse Light Relay Shorted To Ground: Testing
WARNING: This page is about a different car, the 1998 Cadillac Eldorado and 1998 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
If DTC B2477 is set, check for short to ground in Dark Green wire between PZM Brown 32-pin connector C2, terminal D14 and reverse light relay. See COMPONENT LOCATIONS .