LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1987 >> Riviera V6-231 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Trouble Code Diagnosis >> History Codes B335 and B337
April 5, 2026: LEMON Manuals is launched! Read the announcement.

History Codes B335 and B337

History Codes B335 and B337


This combination of History Codes could be caused by:

^ Two opens in the Data Circuit isolating the CRTC and Programmer from the BCM, and at least one of the opens is momentary. One of the opens would be in CKT 800E, including the Programmer and the other open would be in CKT 800G, including the IPC and CRTC.

scientia non olet · About LEMON Manuals