Chevrolet Impala 2006 — technical service bulletin
Bulletin PIT5463 · NHTSA communication 10127217 · issued Sep 22, 2015
Technical service bulletin
communication type
Electrical System
component
2006
model years
2
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician how to repair vehicles that have a red LED and a current Diagnostic Trouble Code B1447-04 after the Canada upgrade. Engineering is aware of the concern and is currently working on a resolution.
Vehicles covered
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.