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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Enclave 2005–2017technical service bulletin

Bulletin PIT4730B · NHTSA communication 10125126 · issued Nov 20, 2017

Technical service bulletin
communication type
Electrical System
component
2005–2017
model years
60
vehicle entries

Official summary

This Preliminary Information communication a diagnostic tip if the high speed lan bus is shorted to ground, which can cause the BCM to appear off line.

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.