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Service bulletins for the 2017 Kia Cadenza

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.

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

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Bulletins, newest first
PS6132019-07-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. PITSTOP: INSTRUMENT CLUSTER REPLACEMENT, MILEAGE SETTING WITH KDS - This publication provides the KDS service procedure for mileage setting on the listed vehicles with newly replaced instrument clusters.
TSBENG083_R12019-02-19. Service bulletin. FUEL SYSTEM, GASOLINE. TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. This bulletin provides information relating to all Kia vehicles equipped with Gasoline Direct Injection (GDI) engines. In these engines highly pressurized gasoline is injected via a common fuel rail and injectors that deliver fuel directly into the combustion chamber of each cylinder. In comparison, in a conventional Multi-Point Fuel Injection (MPI) engine, the gasoline is injected into the intake port of each cylinder at a relatively low pressure. Due to high fuel pressure in a GDI system, servicing the GDI system requires special attention and handling procedures. This bulletin provides special service information and specifications for the GDI fuel system components.
PS567_R12018-11-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. PITSTOP: DTC P0456/P0442 WITH FUEL PUMP SEAL DAMAGE - This Pitstop provides information regarding DTC P0456/P0442 (Evaporative Emissions System ? (Very) Small Leak Detected) or fuel smell on some 2017MY Cadenza (YG) vehicles, produced before August 7, 2017 and some Optima Hybrid (JF HEV) vehicles, produced before August 16, 2017. When addressing the concern with DTC P0456/P0442 and the vapor lines, fuel cap, and all other corresponding circuits are found to be within specifications, it may be necessary to inspect the fuel pump seal for damage. If this seal is found to be torn or split, replace the fuel pump seal by referring to the ?Engine Control / Fuel System ? Fuel Delivery System ? Low Pressure Fuel Pump ? Repair procedures? chapter in the applicable Shop Manual on KGIS.
PS299_R32018-10-09. Service bulletin. VISIBILITY:WINDSHIELD; VISIBILITY:WINDSHIELD WIPER/WASHER. PITSTOP - CORRECT PROCEDURE FOR RAISING WINDSHIELD WIPERS - When servicing the windshield wipers on the listed vehicles below during PDI, make sure to use the procedure outlined below to raise the wiper arms to the fully vertical position in order to avoid damaging the paint on the rear edge of the hood. It is important to note that the wipers on these vehicles are recessed under the hood to provide better appearance and reduced wind noise characteristics. This procedure applies to both key start and SMK type ignition systems.
PS5672018-08-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE. PITSTOP - DTC P0456/P0442 WITH FUEL PUMP SEAL DAMAGE - This Pitstop provides information regarding DTC P0456/P0442 (Evaporative Emissions System ? (Very) Small Leak Detected) or fuel smell on some 2017MY Cadenza (YG) vehicles.
PS464_R22018-08-06. Service bulletin. VISIBILITY; LANE DEPARTURE: BLIND SPOT DETECTION. PITSTOP - NO COMMUNICATION WITH BLIND SPOT DETECTION AFTER COLLISION REPAIRS - This Pitstop provides information relating to the vehicles listed below with Blind Spot Detection (BSD), which may exhibit a ?Check BSD System? message and no communication with the BSD system after collision repairs.
TSBENG1882018-06-25. Service bulletin. ELECTRICAL SYSTEM. TSB - SERVICE ACTION: ELECTRIC THERMOSTAT ASSEMBLY REPLACEMENT (SA346) - This bulletin provides the procedure to replace the electric thermostat (ECT) assembly on some 2017-2018MY Cadenza (YG) vehicles, produced from January 6, 2016 through August 10, 2017, which may exhibit a Malfunction Indicator Light (MIL) illuminated with one or more DTCs.
TSBENG171-CLOSED2018-06-25. Service bulletin. EQUIPMENT:ELECTRICAL. TSB - SERVICE ACTION - ELECTRIC THERMOSTAT ASSEMBLY REPLACEMENT (SA299) - This bulletin provides the procedure to replace the electric thermostat assembly on some 2017MY Cadenza (YG) vehicles, produced from June 2, 2016 through December 28, 2016, which may exhibit a Malfunction Indicator Light (MIL) illuminated. TSB CLOSED - REFER TO TSB ENG188/SA346.
TSBCHA0782018-06-25. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. TSB - SERVICE ACTION: HECU BOLTS INSPECTION AND/OR REPLACEMENT OR HECU ASSEMBLY REPLACEMENT (SA287) - This bulletin provides the procedure to inspect and/or replace the Hydraulic Electronic Control Unit (HECU) module mounting bolts or replace the HECU assembly depending on the inspection results on some 2017MY Sportage (QL) vehicles, produced from October 29, 2016 through November 21, 2016, and on some 2017MY Cadenza (YG) vehicles, produced from October 29, 2016 through December 2, 2016, which may exhibit damaged module mounting bolt heads. Vehicles within the production date range listed above may exhibit an illumination of the ABS/ESC warning lamp.
PS5642018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. PITSTOP - CLOCK CONCERNS ON UVO eSERVICES (UVO 3.0) - This Pitstop contains information regarding possible concerns with the clock on UVO eServices (UVO 3.0) head units installed on 2017-2018MY vehicles.
PS5392018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
TSBTRA0752018-03-13. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT. TSB - SERVICE ACTION: TRANSMISSION GEAR SHIFT LOGIC IMPROVEMENT (SA337) - This bulletin provides the procedure to improve the logic of the Transmission Control Unit (TCU) on some 2017-2018MY Cadenza (YG) vehicles, produced from June 2, 2016 through August 18, 2017, which may experience unusual 5th gear engagement instead of 1st gear after starting the engine and shifting from Park (P) to Drive (D).
TSBTRA0672018-01-16. Service bulletin. POWER TRAIN. TSB - AUTOMATIC TRANSMISSION OIL PRESSURE CHARACTERISTIC VALUES DATA TRANSFER - This bulletin provides information regarding data transfer of automatic transmission (A/T) characteristic values on 2015MY-2018MY K900 (KH) vehicles equipped with A8TR1 8-speed A/T and 2017MY~ Sportage (QL), Forte (YDm), and Cadenza (YG) vehicles equipped with the GEN2 Type (A6MF2-2 6-speed / A8LF1 8-speed) A/T. The type of solenoid valve used to control gear shifts changed from indirect to direct control type to reduce oil capacity and improve fuel efficiency.
TSBENG162R12017-10-15. Service bulletin. ELECTRICAL SYSTEM. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC17) - Revised - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
TSBENG1622017-08-25. Service bulletin. ENGINE. TSB: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC17) - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting. To facilitate collection of this data at the dealer level, KDS screenshots will allow the capture of relevant parameters.
PS4962017-08-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT ADAPTIVE/MOBILITY. PITSTOP: CUSTOMER TIP: ACCELERATOR PEDAL FUNCTION/DESCRIPTION - On all K900 (KH), Cadenza (VG, YG), and Optima (JF, JFa, JF-HEV, JF-PHEV) vehicles, the accelerator pedal features a small detent with a spring to provide increased resistance to help avoid unnecessary fuel consumption when applying full throttle. When the driver depresses the pedal beyond the resistance where the detent is felt (above 85% WOT), the pedal will easily reach WOT and kickdown shift will occur accordingly. For additional information, refer to the individual vehicle?s Owner?s Manual under section ?Driving Your Vehicle? ? Automatic Transmission (Drive).
PS4742017-08-25. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: TPMS SENSOR POSITION - When diagnosing TPMS-related DTCs, make sure you are investigating the correct sensor. The TPMS positioning from the manufacturer may be different from the positioning shown on a KDS.
PS4982017-08-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY. PITSTOP: ANTI-CONDENSATION LOGIC ? NORMAL OPERATION, DISABLING, AND ENABLING - Some Kia vehicles starting with 2016MY and all Kia vehicles, after and including 2017MY, incorporate an anti-condensation logic to prevent the interior windows from becoming excessively fogged. The HVAC control head in these vehicles monitors ambient temperature to determine which settings will best prevent the windows from fogging. If the system detects lower ambient temperature (about 60°F or below), the anti-condensation logic may automatically set the air intake mode to FRESH, depending on the other HVAC settings. The anti-condensation logic is also designed to ensure that air intake mode is set to FRESH, as long as all conditions are met. If the user changes the air intake to RECIRCULATION, the anti-condensation logic will take control again after 5 minutes, and change the air intake mode back to FRESH. If this results in an undesired operation, the logic may be enabled or disabled by following the procedure below.
PS4932017-08-02. Service bulletin. VISIBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: DEFOGGING LOGIC ? NORMAL OPERATION, DISABLING, AND ENABLING - Starting with 2010MY, all Kia vehicles, except Rio (JB), incorporate a defogging logic to prevent the interior windows from becoming excessively fogged. Depending on the specific model, the HVAC control head monitors ambient temperature and/or cabin humidity to determine which settings will best prevent the windows from fogging. If the system detects lower ambient temperature or higher cabin humidity, the defogging logic may automatically switch ON the A/C, and/or set the air intake mode to Fresh Air. If the user changes these settings, the defogging logic will take control again after 3 to 5 minutes, depending on the procedure in this publication.
TSB-SST043R22017-08-02. Service bulletin. EQUIPMENT. TSB: R1234yf REFRIGERANT EQUIPMENT - This bulletin provides information relating to the introduction of R1234yf recovery, recycling, and recharging equipment. This equipment is designed to meet SAE J2843 requirements for servicing vehicles containing R1234yf refrigerant.
PS472R12017-08-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. PITSTOP: HVAC VENTILATION LOGIC OPERATION - Starting with 14MY Soul (PS) (with the exception of PSEV) and complete new models such as K900 (KH), Sedona (YP), Sorento (UMa), Optima (JFa), Sportage (QL), and 17MY Forte (YD, YDm), etc., equipped with a sunroof, a ventilation logic has been applied in order to prevent exhaust gases flowing into the vehicle due to the pressure difference (inside vs outside) that is generated when driving with the sunroof open. This logic allows the system to automatically switch from RECIRCULATION to FRESH mode when the sunroof is open.
PS4652017-02-08. Service bulletin. EQUIPMENT; LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM. PITSTOP: RECALIBRATION OF BLIND SPOT DETECTION AFTER COLLISION REPAIRS - THIS PITSTOP PROVIDES INFORMATION RELATING TO SOME VEHICLES EQUIPPED WITH BLIND SPOT DETECTION (BSD), WHICH MAY EXHIBIT A “CHECK BSD SYSTEM” MESSAGE WITH DTCS: C270254 AND C270354: C270254: CONTROL MODULE MASTER MISSING CALIBRATION / C270354: CONTROL MODULE SLAVE MISSING CALIBRATION

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