WenmarOpen by Wenmar Pro

Service bulletins for the 2011 Kia Optima

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
SC208_STKR2021-08-25. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; FUEL SYSTEM, GASOLINE. SC208_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION STICKER
SC208_DPSM2021-08-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. SC208_DPSM: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia America, Inc. is conducting a Voluntary Emissions Service Campaign to install an Auxiliary Canister Kit to improve evaporative system performance on certain 2011-2016 MY Kia Optima Hybrid vehicles manufactured from February 15, 2011 through July 22, 2015.
TSBENG201_R12019-05-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. TSB: THETA ENGINE SERVICE KIT - This bulletin provides the procedure to install the Theta Engine Service Kit on 21101 2GK05QQKR and 21101 2GK07QQKR engines for 2011-2013MY Optima (QF, TF) and Sportage (SL) vehicles. Due to process changes, certain components of these assemblies were not installed during the manufacturing process. Follow the procedure in this bulletin to install the listed components during the engine replacement procedure outlined in related bulletins (SC147, PI1803W/3, etc.).
PS4692017-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. PITSTOP: MANUAL EVAPORATIVE EMISSIONS TEST FOR HARD TO FIND/SMALL LEAKS - If the malfunction indicator lamp (MIL) is illuminated with DTC(s) P0442, P0455, P0456, or P0457 (Evaporative Emissions System-Leak detected) and the evaporative (EVAP) leak self-test resulted in NTF, a manual EVAP test is recommended.
TSB-SC135R12017-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT ADAPTIVE/MOBILITY. TSB: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: EVAPORATIVE CANISTER INSPECTION AND/OR REPLACEMENT (SC135) - This bulletin provides information to inspect and/or replace the evaporative canister assembly on some Optima (TF) vehicles, produced from September 2, 2010 through November 29, 2014, some Optima Hybrid (TF HEV) vehicles, produced from February 15, 2011 through November 29, 2014, some Rondo (UN) vehicles, produced from April 1, 2009 through July 30, 2010, and some Sedona (VQ) vehicles, produced from April 1, 2009 through June 17, 2014. The subject vehicles originally sold or currently registered in one of twenty-eight (28) salt belt states may experience a leak detection warning of the evaporative emission systems, along with DTC(s) P0442 or P0455. For vehicles originally sold or currently registered in one of the twenty-eight (28) salt belt states, (AK, CT, DC, DE, IA, IL, IN, MA, MD, ME, MI, MN, MO, NH, NJ, NY, OH, PA, RI, VT, WI, WV, KS, KY, NE, ND, SD and UT), the evaporative canister will be inspected, and if no leak is found, the mounting bracket will be replaced with a new improved part. If a crack in the evaporative canister is found, the canister will be replaced with a new improved part. Before conducting the procedure, verify the vehicle is included in the list of affected VINs. For vehicles in other states, Kia is extending the warranty on the evaporative canister from 5 years/60,000 miles to 10 years/120,000 miles, whichever occurs first starting from the date of first service. Follow the procedures outlined in this bulletin to resolve the concern.
PS3222017-08-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. PIT STOP: DTC P0456 AND CHARCOAL CANISTER LEAKS - When addressing a concern related to a DTC P0456 (Evaporative Emissions System ? Small Leak Detected), and an inspection of the vapor lines, connections and fuel cap reveal no abnormalities, closely inspect the mounting holes of the charcoal canister for visible cracks.
TSB SC1262017-02-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE. THIS BULLETIN PROVIDES INFORMATION RELATED TO UPDATING THE SOFTWARE PROGRAMMING (CALIBRATION) OF THE ENGINE CONTROL MODULE (ECM) ON SOME 2011 MY OPTIMA (TF) VEHICLES EQUIPPED WITH A 2.4L ENGINE AND CALIFORNIA EMISSIONS, PRODUCED FROM OCTOBER 14, 2010 THROUGH SEPTEMBER 9, 2011, WHICH MAY HAVE ENGINE CALIBRATIONS THAT WERE NOT OPTIMIZED FOR EMISSIONS WHEN THE VEHICLE IS WARMING UP. THESE CALIBRATIONS MAY CAUSE THE VEHICLE TO RELEASE AIR POLLUTANTS WHICH EXCEED CALIFORNIA AIR RESOURCE BOARD (CARB) EMISSIONS REGULATIONS. TO CORRECT THIS CONDITION, PLEASE FOLLOW THE PROCEDURE OUTLINED IN THIS BULLETIN.
SC135QA2017-02-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Q AND A (SC135/WTY009) - EVAPORATIVE CANISTER VOLUNTARY EMISSIONS SERVICE CAMPAIGN / WARRANTY EXTENSION PROGRAM
OWNERSC1262017-01-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. OWNER NOTIFICATION LETTER (SC126) - DEAR KIA OPTIMA OWNER: KIA MOTORS AMERICA, INC. IS CONDUCTING A VOLUNTARY EMISSIONS SERVICE CAMPAIGN TO UPDATE THE SOFTWARE PROGRAMMING ON ENGINE CONTROL MODULES ON CERTAIN 2011 KIA OPTIMA VEHICLES.

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