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Service bulletins for the 2015 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.

1634 on file from NHTSA, as of 2026-10-19.

By type

By component

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Only bulletins with component: Shocks and struts are shown. Show all

Bulletins, newest first
150089004B2021-04-16. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:REAR:SHOCK ABSORBER. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
150089004C2021-03-08. Service bulletin. SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:FRONT:SHOCK ABSORBER; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
18NA3152020-11-30. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin advises the tech to only replace the shock that is bad and not all.
PIE0408A2018-06-11. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Rear Shock Absorber Leak and/or Noise.
PI1285A2018-05-21. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. This preliminary informational bulletin provides information on Rear Shock Absorber Warranty Concerns and Diagnostic Tips.
17-NA-1252018-05-21. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; EQUIPMENT:MECHANICAL. This technical bulletin provides information for re-torqueing both (RH and LH) rear shock absorber bolts to eliminate a clunk noise from the rear suspension while driving over bumps.
05-03-08-002H2017-08-15. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
PI12852016-06-22. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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