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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Cascada 2016–2018technical service bulletin

Bulletin PIP5373B · NHTSA communication 10143429 · issued Jun 11, 2018

Technical service bulletin
communication type
Engine
component
2016–2018
model years
60
vehicle entries

Official summary

This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.