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Service bulletins for the 2008 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
000601026I2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETINS PROVIDES INFORMATION ON THE INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SERVERE INTERNAL ENGINE DAMAGE.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
SB-07-06-01-016C2016-08-09. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION INTERNAL ENGINE NOISE OR DAMAGE AFTER OIL FILTER REPLACEMENT
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
SB-08-07-30-0212008-08-28. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). VEHICLES WITH 6 SPEED 6L80 (RPO MYC), 6L90 (RPO MYD) OR HYBRID TWO MODE 2M70 AUTOMATIC. INCLUDING 2008 TAHOE AND YUKON HYBRID MODELS. *PE UPDATED 3/28/11. INCLUDING SIERRA, SILVERADO AND ESCALADE HYBRIDS. *PE
08-07-30-0212008-08-07. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). *PE
0706040322008-02-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LD8, LH2, L37 SERVICE ENGINE SOON (SES) MIL LIGHT ILLUMINATED, [ENGINE POWER REDUCED] MESSAGE DISPLAYED ON DRIVER INFORMATION CENTER (DIC) WITH MULTIPLE ECM DTC'S P1516, P2101, P2119 OR P2176 (INSPECT THROTTLE BODY BLADE). *NJ
073302008-01-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES TIMING CHAIN GUIDE BOLT LOW TORQUE - EXPIRES WITH BASE WARRANTY. *NJ

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