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Service bulletin TSB-021

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 id10032617
Published by NHTSA2010-04-20
Manufacturer's numberTSB-021
Manufacturer's date2010-02-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:DRIVELINE

NHTSA's summary

KIA MOTORS: SOME VEHICLES WITH A 3.8L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS FULLY ENGAGED. *PE UPDATED 8/16/10. *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

Transmission and driveline, Automatic transmission

Vehicles listed
KIA RONDO2009
KIA SORENTO2007, 2008, 2009

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
0342011-06-03. Service bulletin. KIA: THERE MAY BE ERRATIC SHIFTING, SHIFT SHOCK, AND A MALFUNCTION LIGHT ON WITH STORED TROUBLE CODES. THIS IS CAUSED BY A PROBLEM WITHIN THE TRANSFER MOTOR. *RM
TSB-061 REV 12010-12-14. Service bulletin. KIA: PROVIDES INFORMATION RELATED TO THE ECM SOFTWARE UPGRADE OF SOME VEHICLES WITH 3.8L AND 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE PCM (POWERTRAIN CONTROL MODULE) SYSTEM RELATED DTC(S). *PE
TSB-0252010-05-24. Service bulletin. KIA: INFORMATION RELATED TO THE TRANSMISSION CONTROL MODULE (TCM) UPGRADE FOR CERTAIN MODELS. VEHICLES WITH 3.3L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS FULLY ENGAGED. *PE
0212008-06-17. Service bulletin. 2007-2008MY SORENTO (BL) TCM REPROGRAM. *NJ
0362008-01-15. Service bulletin. POWERTRAIN CONTROL MODULE (PCM) UPGRADE FOR 2007 SORENTO (BL) 3.8L MODELS (P0110 REPROGRAM). *NJ
0182007-05-15. Service bulletin. AUTOMATIC TRANSMISSION ADAPTIVE VALUE RESET/RELEARN. *KB