TSB 23-AT-008H-1 — Hyundai Service bulletin
23-AT-008H-1 is a service bulletin on file with NHTSA for 2 Hyundai models, 2020–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. If you are servicing an 8-speed front-wheel-drive vehicle equipped with automatic transaxle with one or more of the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. • DIAGNOSTIC TROUBLE CODES: ➢ P070500 - Transmission range sensor…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 23-AT-008H-1 names
| Vehicle | Model years |
|---|---|
| Hyundai Palisade | 2022, 2024 |
| Hyundai Sonata | 2020 |
Every document filed under 23-AT-008H-1
| Document ID | Filed | Type |
|---|---|---|
| 23-AT-008H-1 | September 14, 2023 | Service bulletin |
What 23-AT-008H-1 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 23-AT-008H-1?
23-AT-008H-1 is a service bulletin filed with NHTSA by Hyundai, covering 2 Hyundai models across the 2020–2024 model years. NHTSA's summary reads: If you are servicing an 8-speed front-wheel-drive vehicle equipped with automatic transaxle with one or more of the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. • DIAGNOSTIC TROUBLE CODES: ➢ P070500 - Transmission range sensor…
Which vehicles does 23-AT-008H-1 cover?
NHTSA's file names Hyundai Palisade (2022, 2024); Hyundai Sonata (2020). 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 23-AT-008H-1 a recall, and is the repair free?
No. 23-AT-008H-1 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 23-AT-008H-1?
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 23-AT-008H-1, its date, and NHTSA's own summary from the public file.
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 23-AT-008H-1. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.