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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Encore 2006–2017technical service bulletin

Bulletin PIC4541F · NHTSA communication 10113313 · issued Jan 11, 2017

Technical service bulletin
communication type
Electrical System
component
2006–2017
model years
60
vehicle entries

Official summary

This Preliminary Information communication provides information to the technician with a diagnostic tip for the OnStar back-up battery failure. Technician may find Diagnostic Trouble Code B1446 or B1447 and the OnStar LED is red. Technician should never disconnect the main vehicle battery or remove the OnStar fuse with the ignition key in any position other than off.

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.