Chevrolet Impala 2006 — technical service bulletin
Bulletin PIT5463A · NHTSA communication 10114982 · issued Dec 18, 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. Technician will verify that there is harness for the OnStar Back up Battery on the vehicle. Install a new Back up Battery in the vehicle if the harness is present. If there is no harness for the Back up Battery, contact General Motors Technical Assistance and select the OnStar prompt for further assistance.
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.