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Service bulletins for the 2007 Cadillac XLR

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.

842 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Crankcase ventilation (PCV) are shown. Show all

Bulletins, newest first
PIP-4577A2010-06-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE COOLING:ENGINE. CADILLAC: SES LIGHT WITH DTCS P0171 AND P0174. COMPLAINT OF SES LIGHT BUT IT IS UNLIKELY THAT THERE WILL BE A COMPLAINT OF ANY ENGINE PERFORMANCE CONCERNS IF THIS APPLIES. UPON INSPECTION, DTCS P0171 AND P0174 WILL BE STORED AND FREEZE FRAME DATA WILL NORMALLY INDICATE THAT THEY SET AT APPROXIMATELY THE SAME TIME. THIS MAY BE THE RESULT OF A SMALL AIR LEAK IN THE AIR INDUCTION SYSTEM. *PE UPDATED 4/4/12. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.