B1447 on the 2009 Chevrolet Equinox
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| PIC4541F | 2017-08-15. Service bulletin. 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. |
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| PIC4541E | 2017-08-15. Service bulletin. 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. |
| PIT-5463-B | 2016-08-26. Service bulletin. 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. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.