C2703 on the 2015 Kia Optima
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| PS465 | 2017-02-08. Service bulletin. 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 |
|---|---|
| TSBCHA055 | 2017-01-31. Service bulletin. TSB: SERVICE ACTION: BLIND SPOT DETECTION (BSD) SYSTEM LOGIC IMPROVEMENT (SA187) - THIS BULLETIN PROVIDES INFORMATION RELATED TO AN UPGRADE OF THE LOGIC FOR THE BLIND SPOT DETECTION (BSD) SYSTEM OF SOME 2015MY OPTIMA (QF) VEHICLES, PRODUCED FROM AUGUST 12, 2014 TO NOVEMBER 19, 2014. THE VEHICLES IN QUESTION MAY HAVE A “CHECK BSD SYSTEM” MESSAGE ILLUMINATED IN THE INSTRUMENT CLUSTER, ALONG WITH DTC C270254 OR C270354 STORED IN BSD SYSTEM, AS ACTIVE OR PENDING, DURING FAULT CODE SEARCHING. TO RESOLVE THIS CONCERN, THE BSD SYSTEM SHOULD BE REPROGRAMMED USING THE GDS DOWNLOAD, AS DESCRIBED IN THIS BULLETIN. FOR CONFIRMATION THAT THE LATEST REFLASH HAS BEEN DONE TO A VEHICLE YOU ARE WORKING ON, VERIFY ROM ID USING THE TABLES IN THIS TSB. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.