# Service bulletin PS543

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.

- Type: Service bulletin
- NHTSA id: 10130094
- Published by NHTSA: 2018\-03\-13
- Manufacturer's number: PS543
- Manufacturer's date: 2018\-02\-06
- NHTSA component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

## NHTSA's summary

PITSTOP \- AEB VARIANT CODING \- This Pitstop provides information regarding the correct ?Variant Coding? settings for the Autonomous Emergency Braking \(AEB\) on some 2017\-2018MY Sorento \(UMa\) vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10130094-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10130094-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance

## Vehicles listed

- 2017 to 2018 KIA SORENTO

## Other bulletins for the same vehicles and component

- [PS797](/bulletins/11026698.md), 2025-12-18, Other: BACK OVER PREVENTION: WARNINGS. PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning \(PDW\) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking, by calculating distance based on the difference in signal transmission and reception times between the vehicle \(ultrasonic sensor\) and an object. The membrane film of the ultrasonic sensor is used for object detention and can be damaged by stone chips or foreign substances while driving. Damage to the cover of the ultrasonic sensor can also lead to damage to the internal circuit. As a result of this external damage, the PDW system may not receive the proper signal from the ultrasonic sensor. In some cases, the system may cause a false alarm, no alert, or phantom warnings by a “Warning Lamp’ to be displayed on the cluster. The ultrasonic sensor membrane film should be always inspected for external damage and if any part replacement should be treated as a general repair, not as a warranty claim repair for this concern. \(Please note that this Pitstop only applies to models/trims that are equipped with the ultrasonic sensors.\)
- [PS704](/bulletins/10200525.md), 2021-08-25, Service bulletin: FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. 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\_ELE205](/bulletins/10179233.md), 2020-09-03, Service bulletin: BACK OVER PREVENTION: CAMERA SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. TECHNICAL SERVICE BULLETIN: REAR VIEW CAMERA REPLACEMENT \- This bulletin provides the procedure to replace the rear view camera on some 2016\-2020MY Sorento \(UMa\) produced from SOP through July 9, 2020, due to distortion and/or blue screen caused by moisture intrusion into the camera assembly.
- [PS551](/bulletins/10133175.md), 2018-04-16, Service bulletin: BACK OVER PREVENTION; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK. PITSTOP \- RATTLE NOISE FROM REAR OF THE VEHICLE \(PS551\) \- This Pitstop contains information regarding a rattle type noise heard from the rear of the vehicle when closing a door or trunk on some 2016MY\-2018MY vehicles.
- [PS542](/bulletins/10130093.md), 2018-03-13, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; LANE DEPARTURE: SENSING SYSTEM: CAMERA. PITSTOP \- LDWS/MFC Variant Coding \- This Pitstop provides information regarding the correct ?Variant Coding? settings for the Multi\-Function Camera \(MFC\) on some 2017\-2018MY Sorento \(UMa\) vehicles.
- [TSB\-ELE116R1](/bulletins/10109684.md), 2017-08-02, Service bulletin: LANE DEPARTURE. TSB: SERVICE ACTION: LANE DEPARTURE WARNING SYSTEM DTC C180508 \(SA243\) \- This bulletin provides information related to the Lane Departure Warning System \(LDWS\) on some 2017MY Sorento \(UMa\) vehicles, produced from April 5, 2016 to September 10, 2016, which may exhibit a LDWS malfunction with DTC: C180508 and/or an unsecured LDWS camera. Follow the procedure below to inspect and if necessary, reattach the LDWS camera and/or calibrate the LDWS.
- [PS465](/bulletins/10090966.md), 2017-02-08, 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
- [TSBELE116](/bulletins/10090815.md), 2017-02-07, Service bulletin: LANE DEPARTURE: WARNING. TSB: SERVICE ACTION: LANE DEPARTURE WARNING SYSTEM DTC C180508 \(SA243\) \- THIS BULLETIN PROVIDES INFORMATION RELATED TO THE LANE DEPARTURE WARNING SYSTEM \(LDWS\) ON SOME 2017MY SORENTO \(UMA\) VEHICLES, PRODUCED FROM APRIL 5, 2016 TO SEPTEMBER 10, 2016, WHICH MAY EXHIBIT A LDWS MALFUNCTION WITH DTC: C180508 AND/OR AN UNSECURED LDWS CAMERA. FOLLOW THE PROCEDURE BELOW TO INSPECT AND IF NECESSARY, REATTACH THE LDWS CAMERA AND/OR CALIBRATE THE LDWS.

JSON: [/v1/bulletins/10130094](/v1/bulletins/10130094)

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