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Service bulletins for the 2015 Cadillac CTS

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.

1797 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP55342017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097.
PIC3100F2017-12-14. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
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.
PIC6025C2017-12-14. Service bulletin. STEERING. This Preliminary Information communication provides the technician with a diagnostic tip for vehicles with intermittent no crack with a "Turn Steering Wheel Start Vehicle Again". If there is a Diagnostic Trouble Code B305A stored history in the Body Control Module it may have been caused by a bound up steering wheel. Review the owner’s manual Starting the Vehicle Messages section with the customer.
PIP55312017-12-14. Service bulletin. ENGINE; POWER TRAIN. This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that “mating” surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
PIP55292017-11-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P0331 P0506.
PIC5650C2017-11-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
PIC6048H2017-11-14. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE: WARNING. 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).
PIP55282017-11-14. Service bulletin. ENGINE. This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines.
PIC5492F2017-11-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
PIT5353B2017-11-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
PIT5236H2017-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version and the OnStar Customer Identifier and contact General Motors Technical Assistance Center for further assistance.
PIC6025B2017-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides the technician with a diagnostic tip for vehicles with intermittent no crack with a "Turn Steering Wheel Start Vehicle Again". If there is a Diagnostic Trouble Code B305A stored history in the Body Control Module it may have been caused by a bound up steering wheel. Review the owner?s manual Starting the Vehicle Messages section with the customer.
PIT5383C2017-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles with various Heater-Vent-Air Conditioning blower mode or temperature issues. Technician will need to reprogram the Heater-Vent-Air Conditioning control module using Tis2Web and Service Programming System.
PIC5891D2017-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.
PIC6055B2017-10-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicle that may have a radio screen appears bubbled or is delaminating. Dealer can replace model years 2013 and 2015. If working on a 2016 model year vehicle dealer will need to contact General Motors Technical Assistance Center for further assistance. Technician should replace the Integrated Center Stack with the latest part number out of the parts catalog.
PIC6033A2017-10-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Technician may find Diagnostic Trouble Code B291B sym 3B and is unable to clear the Diagnostic Trouble Code. Technician will need to restore communication between the Body Control Module and Theft Deterrent Sensor Module to clear the Diagnostic Trouble Code.
PI1510A2017-10-15. Service bulletin. SUSPENSION. This preliminary informational bulletin provides a procedure to replace both the front suspension mounts and cups to correct a condition of a popping noise from the fron of the vehicle when traveling over bumps due to the front strut mount being torn due to high underbody/underhood temps in addition to traveling over speed bumps.
PI1251B2017-10-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This preliminary informational bulletin provides information on applying thread locker to the catalytic converter bolts to eliminate a knock, rattle or ping noise from under the vehicle into the passenger compartment.
PI0653D2017-10-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers. (New models and RPOs added)
16-NA-3172017-10-15. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS. This informational bulletin provides information on the proper ways to remove or replace the key cylinder covers due to some vehicles having the key cylinders hidden during the time of delivery.
16-NA-1072017-10-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with internal amp, park assist symbol position wrong in rear view camera.
11-00-89-005J2017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides information on Goodwill Tools, Customer Enthusiasm, and Policy Guidelines.
09-00-89-016E2017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty nonadministrative bulletin provides information on the proper use of the labor op 0600014.
09-00-89-008C2017-10-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Admin bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.

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