GMC Sierra Denali-X

Processing type: damage to my car

total repair cost: 1.71 million won

Date of occurrence: April 5, 2026

Date of change: September 2025

Address after change: No information

Classification of change: Change registration

Date of change: September 12, 2025

Transaction type: Transfer of transaction between parties

Driving distance when changing: 6,000km

Target: Vehicles manufactured between (June 22, 2021 - May 28, 2024)

target device: Prime mover (power generation device) Others

Defect details: <p>It has been confirmed that there is a possibility of bearing damage due to foreign substances generated during the manufacturing process of the connecting rod or the manufacturing quality of the crankshaft. As a result, abnormal engine noise, engine warning lights, high engine RPM, abnormal gear shifting, reduced output, and failure to restart may appear as preliminary symptoms of engine damage. If the engine is damaged, loss of drive and engine stalling may occur while driving, which increases the risk of collision and may affect safety, leading to a recall.&nbsp;</p><p><br></p><p>&lt;Production Dates by Target Vehicle&gt;</p><p>Tahoe: 2021.06.22~2022.11.23</p><p>Sierra: 2022.06. 08~2024.05.28</p>

Recall Post Date: August 13, 2025

Correction method: <p>After the engine diagnosis, the engine is repaired or replaced. In addition, regardless of the diagnostic results, the warranty period for this issue is extended from the existing 5 years or 100,000 km to 10 years or 240,000 km.</p><p>1. If no problem is found during diagnosis: Replace with high-viscosity engine oil with excellent wear resistance, replace the engine oil cap, provide instructions for using high-viscosity engine oil.</p><p>2. If a problem is found during diagnosis: Engine replacement.</p>

Correction period: From August 13, 2025

Contact information: GM Korea main number: 080-3000-5000 / GMC main number: 080-800-3305

Target: Vehicles manufactured between March 17, 2020 and April 12, 2024

target device: Fuel equipment and other

Defect details: <p>If the fuel pump control module is exposed to excessive moisture, some IC chips (integrated circuits) may be damaged. In such cases, fuel may not be supplied properly, potentially causing a no-start condition accompanied by the engine warning light and, possibly, engine stalling, leading to a recall.</p><p><br></p><p>&lt;Production dates by target vehicle&gt;</p><p>All-New Malibu: 2020.03.17~2022.08.31</p><p>Trax: 2020.10.15~2022.09.02</p><p>Equinox: 2021.03.24~2022.09.22</p><p>Traverse: 2021.05.03~2022.10.27</p><p>Tahoe: 2021.06.22~2022.09. 12</p><p>Colorado: 2022.09.28~2024.02.20</p><p>Trax Crossover: 2022.12.08~2023.08.07</p><p>Trailblazer: 2023.02.20~2023.08.22</p><p>Sierra: 2022.06.08~2024.04.12</p>

Recall Post Date: December 23, 2024

Correction method: <p>Fuel Pump Control Module Replacement&nbsp;</p><p><br></p><p>&lt;Recall Period by Vehicle&gt;</p><p>All New Malibu, Trax, Traverse, Tahoe: From December 23, 2024, until completion&nbsp;</p><p>Trax Crossover, Trailblazer, Equinox, Colorado, GMC Sierra: From January 20, 2025, until completion&nbsp;&nbsp;</p><p><br></p><p>&lt;<b><u><span style="font-size: 10pt;">Since the recall period differs by vehicle, please contact the manufacturer’s customer center (080-3000-5000) for detailed information.</span></u></b> &gt;</p>

Correction period: From December 23, 2024

Contact information: GM Korea representative number: 080-3000-5000

Inspection date: September 2, 2024

inspection station: Shinhwa Motors Co., Ltd.

Inspection category: Regular inspection

Driving distance during inspection: 4,001km

first time buyer: corporation

Date of production: January 13, 2023

New car list price: 95 million won

Production country: USA

New car delivery price: No information

First registration date: September 14, 2023

Address at time of purchase: Geumcheon-gu, Seoul