TSB 22-01-023H-2 — Hyundai Service bulletin

22-01-023H-2 is a service bulletin on file with NHTSA for 3 Hyundai models, 2010–2017 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damage. Follow the procedure to inspect the vehicle and replace the engine and/or update the engine ECU…

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

3Documents filed
3Vehicles named
5Model years

Vehicles and model years 22-01-023H-2 names

VehicleModel years
Hyundai Santa Fe 2010, 2011, 2012
Hyundai Tucson 2010
Hyundai Veloster 2012, 2016, 2017

Every document filed under 22-01-023H-2

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
22-01-023H-2 July 11, 2023 Service bulletin
22-01-023H-2 November 3, 2022 Service bulletin
22-01-023H-2 November 3, 2022 Service bulletin

What 22-01-023H-2 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Hyundai Santa Fe TSB years TSB lookup by model

Questions buyers ask

What is TSB 22-01-023H-2?

22-01-023H-2 is a service bulletin filed with NHTSA by Hyundai, covering 3 Hyundai models across the 2010–2017 model years. NHTSA's summary reads: Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damage. Follow the procedure to inspect the vehicle and replace the engine and/or update the engine ECU…

Which vehicles does 22-01-023H-2 cover?

NHTSA's file names Hyundai Santa Fe (2010–2012); Hyundai Tucson (2010); Hyundai Veloster (2012, 2016–2017). 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 22-01-023H-2 a recall, and is the repair free?

No. 22-01-023H-2 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 22-01-023H-2?

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 22-01-023H-2, 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 22-01-023H-2. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.