DTC B334: Loss Of ECM Data: Notes
WARNING: This page is about a different car, the 1989 Cadillac Allante. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to TECHNICAL SERVICE BULLETIN
TSB T90-90 for information related to intermittent codes.
NOTE:
When all diagnosis and repairs are completed, clear codes and verify operation.