1991 Pontiac Bonneville service bulletins & manufacturer communications

2 manufacturer communications are on file with NHTSA for the 1991 Pontiac Bonneville. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
  130089009 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 2013
• Excessive vibration of electrochromic inside rearview mirror. *tw
  731608 · Technical service bulletin · Visibility · issued Jun 1, 1997