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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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Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
16-NA-1092018-05-21. Service bulletin. STEERING. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
15-NA-0462018-05-21. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; AIR BAGS:FRONTAL. This technical bulletin provides repair information for replacing the steering wheel airbag to correct a customer concern that the steering wheel airbag is not flush to the steering wheel and/or it is difficult to depress airbag to engage the horn.
PIC60422018-05-07. Service bulletin. STEERING. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
PIC6042A2017-12-14. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; STEERING. This Preliminary Information communication provides information to the technician about vehicles that if replacement of either shift paddle is necessary, the steering wheel does not need to be replaced nor does it need to be removed to replace either shift paddle.
17-NA-0472017-08-31. Service bulletin. WHEELS; STEERING. This bulletin provides information on how to properly clean wheel speed sensors and wheel bearings that may cause conditions of EBCM Wheel Speed Sensor Diagnostic Aid for ABS Message -Click Or Ratchet Noise- Service Traction Message - Service Stabilitrak Message - Service Steering Message due to dirt and debris.
16-NA-1092017-08-31. Service bulletin. STEERING. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PIC6048A2017-08-15. Service bulletin. STEERING; LANE DEPARTURE: ASSIST; POWER TRAIN. This Preliminary Information communication advises the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PIC6048F2017-08-15. Service bulletin. STEERING; LANE DEPARTURE; POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PIC60482017-08-15. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE; STEERING; POWER TRAIN. This Preliminary Information communication advises the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PIC6048G2017-08-15. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM; STEERING. This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PI1487A2017-08-15. Service bulletin. POWER TRAIN; STEERING. This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern of IPC gauges sweep, loss of power steering assist, intermittent no crank, reduced engine power and multiple U-codes.
PIC3278G2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavailable″ audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A “Ready” or “OnStar ready” audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ″push to talk″ button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
13-02-32-001D2017-08-15. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. This technical bulletin provides a procedure to flush and bleed the power steering system to correct a condition of power steering noise or fluid leak from power steering pump, gear or high pressure hose during extreme low temperature conditions.
PIC6073C2017-05-05. Service bulletin. STEERING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE MEDIA ORIENTED SYSTEMS TRANSPORT BUS DIAGNOSTIC TOOL KIT (EL-51578) HAS BEEN RELEASED TO HELP DIAGNOSE ANY OF THE MEDIA ORIENTED SYSTEMS TRANSPORT BUS CONCERNS. THE KIT CONTAINS HEADER CONNECTORS THAT ARE INSTALLED TO BYPASS MEDIA ORIENTED SYSTEMS TRANSPORT BUS MODULES. THE BYPASS CONNECTOR ALSO CONTAINS A TERMINAL FOR VERIFYING MEDIA ORIENTED SYSTEMS TRANSPORT CONTROL CIRCUIT VOLTAGES. TECHNICIAN SHOULD REVIEW MEDIA ORIENTED SYSTEMS TRANSPORT BUS DESCRIPTION AND OPERATION AND DIAGNOSTIC TROUBLE CODE U0028 DIAGNOSTIC PROCEDURES.
PIC6048E2017-05-05. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME CUSTOMERS MAY COMMENT ON THE OPERATION OF THEIR HAPTIC SEAT DURING A LANE KEEP ASSIST EVENT. LANE KEEP ASSIST WORKS DIFFERENTLY THAN LANE DEPARTURE WARNING. THE LANE KEEP ASSIST ICON IS SOLID AMBER, FORWARD CAMERA MODULE IS ACTIVELY COMMANDING A TORQUE TO ELECTRONIC POWER STEERING. THIS MEANS THAT THE DRIVER SHOULD ALSO FEEL SOME FEEDBACK FROM THE STEERING WHEEL. NO CHIMES OR HAPTIC IN THE SEAT. LANE KEEP ASSIST ICON IS FLASHING AMBER; FORWARD CAMERA MODULE IS ACTIVELY COMMANDING TORQUE TO ELECTRONIC POWER STEERING. THIS WILL ALSO BE ACCOMPANIED WITH LANE DEPARTURE WARNING CHIMES AND HAPTIC IN THE SEAT FEEDBACK BASED ON THE SETTING CHOSEN IN THE VEHICLE SETTINGS. THIS WILL TAKE PLACE WHEN THE VEHICLE HAS CROSSED LANE MARKING BY (40 CM) OR (15.75 IN).
PIC6048B2017-03-17. Service bulletin. EQUIPMENT; SEATS; STEERING:ELECTRIC POWER ASSIST SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME CUSTOMER MAY COMMENT ON THE OPERATION OF THEIR HAPTIC SEAT DURING A LANE KEEP ASSIST EVENT. LANE KEEP ASSIST WORKS DIFFERENTLY THAN LANE DEPARTURE WARNING. THE LANE KEEP ASSIST ICON IS SOLID AMBER, FORWARD CAMERA MODULE IS ACTIVELY COMMANDING A TORQUE TO ELECTRONIC POWER STEERING. THIS MEANS THAT THE DRIVER SHOULD ALSO FEEL SOME FEEDBACK FROM THE STEERING WHEEL. NO CHIMES OR HAPTIC IN THE SEAT. LANE KEEP ASSIST ICON IS FLASHING AMBER; FORWARD CAMERA MODULE IS ACTIVELY COMMANDING TORQUE TO ELECTRONIC POWER STEERING. THIS WILL ALSO BE ACCOMPANIED WITH LANE DEPARTURE WARNING CHIMES AND HAPTIC IN THE SEAT FEEDBACK BASED ON THE SETTING CHOSEN IN THE VEHICLE SETTINGS. THIS WILL TAKE PLACE WHEN THE VEHICLE HAS CROSSED LANE MARKING BY (40 CM) OR (15.75 IN).
PI1294B2017-03-13. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO CHECK THE GROUND CONNECTION AND REPROGRAM THE POWER STEERING CONTROL MODULE IF A CUSTOMER COMMENTS ON A INTERMITTENT SERVICE POWER STEERING MESSAGE IS DISPLAYED.
SB-16-NA-1092016-08-06. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
15-NA-0462016-06-22. Service bulletin. STEERING. 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.