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Service bulletin TSBCHA055

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)
TypeService bulletin
NHTSA id10089984
Published by NHTSA2017-01-31
Manufacturer's numberTSBCHA055
Manufacturer's date2015-04-02
NHTSA componentLANE DEPARTURE: BLIND SPOT DETECTION

NHTSA's summary

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.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Driver assistance, Blind spot detection

Trouble codes named

C2702, C2703

Vehicles listed
KIA OPTIMA2015

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

Other bulletins for the same vehicles and component
PS464_R22018-08-06. Service bulletin. 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.
PS464R12017-08-02. Service bulletin. PITSTOP: NO COMMUNICATION WITH BLIND SPOT - This Pitstop provides information relating to 2014-2015MY Optima (QF) vehicles with Blind Spot Detection (BSD), which may exhibit a ?Check BSD System? message and no communication with the BSD system after collision repairs. This concern is commonly caused by the rear bumper harness installed backwards.
PS4642017-02-08. Service bulletin. PITSTOP: NO COMMUNICATION WITH BLIND SPOT DETECTION AFTER COLLISION REPAIRS - THIS PITSTOP PROVIDES INFORMATION RELATING TO 2014-2015MY OPTIMA (QF) VEHICLES WITH BLIND SPOT DETECTION (BSD), WHICH MAY EXHIBIT A “CHECK BSD SYSTEM” MESSAGE AND NO COMMUNICATION WITH THE BSD SYSTEM AFTER COLLISION REPAIRS. THIS CONCERN IS COMMONLY CAUSED BY THE REAR BUMPER HARNESS INSTALLED BACKWARDS.
PS4652017-02-08. 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
0552015-08-04. Service bulletin. KIA 2015 MYOPTIMA : BULLETIN INVOLVING INFORMATION RELATED TO AN UPGRADE OF THE LOGIC FOR THE BLIND SPOT DETECTION SYSTEM OF SOME 2015MY OPTIMA . *LJ