TSB 21-EM-003H — Hyundai Service bulletin

21-EM-003H is a service bulletin on file with NHTSA for 5 Hyundai models, 1990–2010 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
5Vehicles named
21Model years

Vehicles and model years 21-EM-003H names

VehicleModel years
Hyundai Accent 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Hyundai Elantra 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Hyundai Santa Fe 2001, 2002, 2003, 2004, 2005, 2006
Hyundai Sonata 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Hyundai Tucson 2005, 2006, 2007, 2008, 2009

Every document filed under 21-EM-003H

Document IDFiledType
21-EM-003H March 10, 2021 Service bulletin

What 21-EM-003H covers

Engine — the component vocabulary NHTSA files this communication under.

← All Hyundai Accent TSB years TSB lookup by model

Questions buyers ask

What is TSB 21-EM-003H?

21-EM-003H is a service bulletin filed with NHTSA by Hyundai, covering 5 Hyundai models across the 1990–2010 model years. NHTSA's summary reads: This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.

Which vehicles does 21-EM-003H cover?

NHTSA's file names Hyundai Accent (1991, 1993, 1995–2010); Hyundai Elantra (1992–2010); Hyundai Santa Fe (2001–2006); Hyundai Sonata (1990–2010); Hyundai Tucson (2005–2009). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 21-EM-003H a recall, and is the repair free?

No. 21-EM-003H is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 21-EM-003H?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 21-EM-003H, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 21-EM-003H. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.