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Service bulletin 20-01-004H-3

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 id10185438
Published by NHTSA2021-01-09
Manufacturer's number20-01-004H-3
Manufacturer's date2020-12-21
NHTSA componentENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

Applicable vehicles with 2.0L Turbo and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.

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, Turbocharger or supercharger

Trouble codes named

P1326

Vehicles listed
HYUNDAI SANTA FE2019
HYUNDAI SANTA FE SPORT2013, 2014, 2015, 2016, 2017, 2018
HYUNDAI SONATA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
HYUNDAI TUCSON2014, 2015
HYUNDAI TUCSON2018, 2019
HYUNDAI VELOSTER2019

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
23-01-010H2023-04-03. Service bulletin. Certain 2015-19MY Sonata (LFA) vehicles equipped with 2.0L Turbo GDI engines need the Electronic Control Module (ECM) software updated to revise the fuel injection control logic to compensate for oxygen sensor aging and control tailpipe emissions within applicable standards.
5NP-X6N5X-112017-11-14. Service bulletin. Some Sonata 2.0T (LFa) vehicles may experience deterioration of the air inlet hose near the turbo inlet. This may cause an air rushing noise and may cause potential damage to the turbo charger.
5NP-Q6G9Y-012017-01-26. Service bulletin. HYUNDAI MOTOR AMERICA IS CONDUCTING A SERVICE CAMPAIGN TO REPLACE THE OIL FEED PIPE ASSEMBLY ON CERTAIN 2011-14MY SONATA AND 2013-16MY SANTA FE SPORT VEHICLES EQUIPPED WITH 2.0L TURBO ENGINES. SERVICE CAMPAIGN T1N PROVIDES A PROCEDURE TO REPLACE THE OIL FEED PIPE ASSY.
TSB-14-01-0452015-04-01. Service bulletin. HYUNDAI: INFORMATION PROVIDED FOR THE TURBOCHARGER INTERCOOLER INSPECTION PROCEDURE FOR RESTRICTIONS AND REPLACEMENT. MODEL 2015 SONATA. *PE
SB-10-EM-0042011-05-16. Service bulletin. HYUNDAI: THE PROCEDURE FOR REPLACING THE TURBOCHARGER OIL FEED PIPE. *RM