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Service bulletin TSB_ENG056_CLSD

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 id10194554
Published by NHTSA2021-06-02
Manufacturer's numberTSB_ENG056_CLSD
Manufacturer's date2021-05-07
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

TSB_ENG056_CLOSED: TECHNICAL SERVICE BULLETIN CLOSED

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
KIA RIO2009

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
TSB_ENG063_CLSD2021-06-02. Service bulletin. TSB_ENG063_CLOSED: TECHNICAL SERVICE BULLETIN CLOSED
PS5392018-04-16. Service bulletin. PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
TSBENG120R12017-02-06. Service bulletin. TSB: MUFFLER PIPE HANGER BRACKET REPLACEMENT - REVISED - SOME RIO VEHICLES, PRODUCED FROM FEBRUARY 25, 2008 TO JULY 10, 2011, MAY EXPERIENCE A RATTLING NOISE WHILE DRIVING, EMANATING FROM UNDER THE VEHICLE. THIS BULLETIN PROVIDES THE PROCEDURE TO DIAGNOSE.
1202016-03-16. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-0562010-09-04. Service bulletin. KIA: KNOCK SENSOR REPLACEMENT (SA017). SOME VEHICLES EQUIPPED WITH THE ALPHA ENGINE (1.6L) MAY ILLUMINATE A MIL RELATED TO KNOCK SENSOR CODES P0326 (KNOCK SENSOR 1 CIRCUIT RANGE/PERFORMANCE) AND/OR P0327 (KNOCK SENSOR 1 CIRCUIT LOW INPUT). IN ORDER TO REPAIR THIS CONCERN, A KNOCK SENSOR REPLACEMENT IS NECESSARY. *PE
TSB-0632010-08-16. Service bulletin. KIA: ECM UPGRADE FOR MULTIPLE DTC'S LISTED, P0300, P0128, P0140, P0442, P0451, P0461 (SA032). PROVIDES PROCEDURE TO UPGRADE THE ENGINE CONTROL MODULE (ECM) OF SOME 1.6L VEHICLES PRODUCED 7/17/08-7/11/09 (MAP SENSOR VEHICLES ONLY) WHICH MAY EXPERIENCE A ROUGH IDLE DURING INITIAL COLD START UP PERIOD AND/OR ILLUMINATE THE MIL WITH DTC'S BELOW. *PE
TSB-0332010-05-01. Service bulletin. KIA: ECM UPGRADE-MIL ON WITH DTC P0300, P0128, P0140, P0442 & P0461. VEHICLES MAY EXPERIENCE A ROUGH IDLE DURING INITIAL COLD START UP PERIOD AND/OR ILLUMINATE THE MIL. *PE UPDATED 10/29/10. *PE
TSB-0462009-09-25. Service bulletin. KIA MOTORS: RELATING TO OIL CONTROL VALVE (OCV) USED IN CONSTANT VARIABLE VALVE TIMING (CVVT). IF AT ANY TIME OCV IS SUSPECTED AS A CAUSE OF ROUGH IDLING, POOR ACCELERTION, CAMSHAFT TIMING MISALIGNMENT RELATED TROUBLE CODES, MISFIRE RELATED TROUBLE CODES ETC., ON THE VEHICLE EQUIPPED WITH THE CVVT SYSTEM, BE SURE TO PERFORM THE OCV INSPECTION PROCEDURE BELOW BEFORE REPLACEMENT. NO MODEL YEARS SPECIFIED. *PE