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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.

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Bulletins, newest first
14-00-89-0032018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply.
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.
PI1149A2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
13-08-116-001C2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
08-08-44-029H2018-06-11. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
04-00-89-015Q2018-06-11. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on required operating procedures.
03-08-46-004Q2018-06-11. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin communicates part restriction and ordering process information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only).
00-06-01-026J2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
PI14012018-06-04. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. This preliminary informational bulletin provides repair information to correct a customer concern of the fuel gauge not reading full, only goes to 7/8 full.
05-08-51-001G2018-06-04. Service bulletin. EQUIPMENT. This informational bulletin provides information to correct a dealer concern of what they perceive to be paint staining when the protective shipping film is removed from certain vehicles.
10-08-45-001E2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.
01-00-89-010K2018-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin adds 2014 - 2015 model years to information regarding comeback prevention and using Customer Concern Verification Sheets (CCVS).
06-08-47-001K2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.
00-03-10-002I2018-06-04. Service bulletin. WHEELS. This informational bulletin provides information on chemical staining, pitting, corrosion and/or spotted appearance of chromed aluminum wheels, along with warranty information regarding these conditions.
PI13942018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
03-06-03-003D2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
11-00-89-004A2018-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin adds 2012 - 2015 model years to information communicating a change in the product field action customer reimbursement procedure (U.S. Dealers Only).
PI0360E2018-06-04. Service bulletin. EQUIPMENT. This preliminary informational bulletin provides information that accessory remote start does not work with OnStar RemoteLink? phone application.
PI1375A2018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL. This preliminary informational bulletin provides repair information to correct customer concerns about blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after phone call finished, rear view camera display blank, USB issues, Bluetooth/Favorite Bar/Voice, iPod unable to detect via USB, recognition concerns, XM speech recognition inoperative, traffic messages, clock display.
PIP5146A2018-06-04. Service bulletin. SERVICE BRAKES. This Preliminary Information communication provides information to the technician about vehicles that may have a bind or shudder on turns during tight parking lot maneuvers. If technician is working on a 2012 Lacrosse the Electronic Brake Control Module should be updated with the latest calibrations in Service Programming System. If the technician isolates the condition to be coming from the Rear Drive Module, then check the fluid level in the Rear Drive Module per Service Information. If fluid levels are incorrect then diagnose and repair as needed, review latest version of PI0703 if the differential clutch is overfull. If no fluid concerns are found change the differential clutch oil filter and oil. Technician should insure all oil and debris is removed from the differential.
PIP4919D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This Preliminary Information communication provides information to the technician about vehicle that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see increased black smoke during cold start and should be considered normal.
PIC6063A2018-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that may have the park assist warning that goes off without an object near the vehicle. Engineering is aware of this concern and is working on a software change for this issue.
PIP5223C2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the E92 Engine Control Module part number 12662034 part restriction through General Motors Product Quality Center has ended. Dealer can order the parts through the regular Customer Care and Aftersales parts process.
PIC5161E2018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicles that the radio can be turned on after turning the ignition off and opening the driver?s door. The radio can then be turned back on after the vehicle's Retained Accessory Power has been canceled by simply pressing the power button on the radio. This is a normal characteristic of the key off operation.
PIT53892018-06-04. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.

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