Service bulletin TSBENG188

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10142246
Published by NHTSA	2018-06-25
Manufacturer's number	TSBENG188
Manufacturer's date	2018-05-17
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
KIA CADENZA	2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2021123	2021-03-08. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_ELE254	2022-06-03. Service bulletin. TECHNICAL SERVICE BULLETIN: AIRBAG CONTROL UNIT (ACU) INSPECTION & REPLACEMENT - This bulletin provides information associated with the "Warranty Extension Program" (WTY027) to inspect and, if necessary, replace the Airbag Control Unit (ACU) with a new one on 2017MY Cadenza (YG) produced from June 2, 2016 through July 12, 2017 and Sportage (QL) vehicles produced from December 10, 2015 through April 11, 2017. If these vehicles exhibit an MIL "ON" and one or more of the DTCs listed in the table below are stored, the ACU is to be replaced. Follow the procedure outlined in this publication for the inspection of DTCs and ACU replacement.
PS613_R1	2022-04-01. Service bulletin. PITSTOP: INSTRUMENT CLUSTER REPLACEMENT AND MILEAGE SETTING WITH KDS - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This pitstop provides the KDS service procedure for mileage setting on the models listed below with newly replaced instrument clusters. Certain models allow for mileage setting with the KDS, which prevents the need to send out the instrument cluster to a 3rd party for mileage adjustment (refer to PS264). After a new cluster is installed, cluster (variant) coding may also need to be conducted using the KDS. Make sure the KDS software is also updated to the latest version. Mileage setting should be performed by using the KDS only, as described in this bulletin.
PS704	2021-08-25. Service bulletin. PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors in the Forward Collision-Avoidance Assist (FCA)/Smart Cruise Control (SCC) system.
TSB_CHA084_R6	2020-12-02. Service bulletin. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
TSB_CHA084_R5	2020-12-02. Service bulletin. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
PS663	2020-11-13. Service bulletin. PITSTOP: MFC, CONCERNS FOR DISABLED OPERATION - This Pitstop provides information regarding concerns with disabled operation of Multi-Function Camera (MFC) on some Kia vehicles. When normal operation is not possible due to certain outside environment conditions (such as sunlight glare, heavy rain, sunlight, snow, fog and/or substance/debris) causing a temporary concern. This stops operation causing Warning Lamp ON and/or Pop-up Message displayed on the cluster. This is a normal operation of the ADAS and once environment conditions improve and/or substance/debris are removed, the system will clear itself and operate normally.
PS613	2019-07-11. Service bulletin. 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.
TSBCHA078	2018-06-25. Service bulletin. 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.
PS564	2018-06-18. Service bulletin. 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.
TSBENG162R1	2017-10-15. Service bulletin. 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.