Service bulletins for the 2017 Cadillac XTS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1104 on file from NHTSA, as of 2026-10-19.
About B127E on the 2017 Cadillac XTS: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B127E are shown. Show all
| PIT5301B | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the Integrated Center Stack display. When the disc is ejected the Diagnostic Trouble Code will be history. If the Diagnostic Trouble Code B127E remains current after ejecting the disc follow Service Information diagnostic procedure instructions for B127E with Regular Production Option Code U42 or UWG. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.