Service bulletin TSB-020

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	10042604
Published by NHTSA	2011-12-28
Manufacturer's number	TSB-020
Manufacturer's date	2011-10-01
NHTSA component	FUEL SYSTEM, OTHER

NHTSA's summary

KIA: INFORMATION IS BEING PROVIDED ON SOME VEHICLES RELATING TO THE AN INCORRECTLY FUNCTIONING NVLD (NATURAL VACUUM LEAKAGE DETECTION) PRESSURE SENSOR ASSEMBLY CAUSING THE MIL TO BE ON. *PE

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

Fuel system

Vehicles listed
KIA OPTIMA	2011

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

Recalls for the same vehicles and component
2018742	2018-12-28. Fuel System
18V907000	2018-12-19. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

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_ELE044_R3	2022-05-04. Service bulletin. TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - 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 outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs).
SC208_OWNR	2021-08-25. Service bulletin. SC208_OWNR: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to install an auxiliary evaporative canister in their vehicle to ensure the evaporative canister is not releasing excessive pollutants into the air on some 2011-2016 MY Kia Optima Hybrid vehicles.
SC208_TSB	2021-08-25. Service bulletin. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: AUXILIARY CANISTER KIT INSTALLATION (SC208) - This bulletin provides the procedure for the installation of an add-on auxiliary canister on some 2011-2016MY Optima (TF HEV) vehicles equipped with 2.4L Theta II engine, produced from February 15, 2011 through July 22, 2015. This is to improve evaporative system performance and ensure compliance with Federal and California emission regulation standards.
SC208_POC	2021-08-25. Service bulletin. SC208_POC: PROOF OF CORRECTION CARD
SC208_STKR	2021-08-25. Service bulletin. SC208_STKR: VOLUNTARY EMISSIONS SERVICE CAMPAIGN COMPLETION STICKER
SC208_DP	2021-08-25. Service bulletin. SC208_DP: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals 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.
TSB_FUE049	2021-02-02. Service bulletin. TECHNICAL SERVICE BULLETIN: COMBINATION TSB / SERVICE ACTION: AIR FILTER AND NVLD REPLACEMENT (SA447) - This bulletin provides the procedure to perform an evaporative leak test and replace the Fuel Tank Air Filter, and, if necessary, the Natural Vacuum Leak Detector (NVLD) on some 11-16MY Kia vehicles listed in the table below, which may experience an evaporative leak concern with DTC P0456.
TSBENG083_R1	2019-02-19. Service bulletin. TSB: SPECIAL SERVICE INFORMATION & SPECIFICATIONS FOR GDI HIGH PRESSURE FUEL SYSTEM - This bulletin has been revised to include additional information. This bulletin provides information relating to all Kia vehicles equipped with Gasoline Direct Injection (GDI) engines. In these engines highly pressurized gasoline is injected via a common fuel rail and injectors that deliver fuel directly into the combustion chamber of each cylinder. In comparison, in a conventional Multi-Point Fuel Injection (MPI) engine, the gasoline is injected into the intake port of each cylinder at a relatively low pressure. Due to high fuel pressure in a GDI system, servicing the GDI system requires special attention and handling procedures. This bulletin provides special service information and specifications for the GDI fuel system components.
TSBENG172	2018-01-16. Service bulletin. TSB - SERVICE ACTION: TURBO OIL FEED LINE REPLACEMENT (SA300) - This bulletin provides the procedure to replace the turbo oil feed line on some 2011-2015MY Optima (TF), produced from November 1, 2010 through August 30, 2011, 2012-2015MY Optima (QF), produced from August 31, 2011 through October 2, 2015, and 2011-2015MY Sportage (SL) vehicles, produced from December 30, 2010 through November 6, 2015, equipped with Theta 2.0T-GDI engine, which may exhibit an oil leak at the turbo oil feed line.
PS328	2017-08-02. Service bulletin. PITSTOP: HESITATION IN ELECTRIC AND GAS MODES - When diagnosing an Optima Hybrid with an off idle hesitation concern that can be duplicated, and no DTC(s) codes (active or history) are stored, access MCU > Current Data to check the status of the MCU warning flag.