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GM Asia Pacific Regional Headquarters Co., Ltd. CT5 — recall

Automotive · South Korea · 2025-04-11

GM CT5 car, automatic transmission hydraulic control unit wear causes pressure drop

Country	South Korea
Category	Automotive
Published	2025-04-11
Manufacturer	GM Asia Pacific Regional Headquarters Co., Ltd.
Models affected	CT5
Units affected	256
Defect	Recall due to the possibility that if the inside of the automatic transmission hydraulic control unit wears out over time, a pressure drop caused by oil leakage could cause the valve to malfunction unintentionally, which, if it leads to shifting shock during driving and, rarely, momentary wheel lock-up, could increase the risk of vehicle collision and compromise safety.
Component	Powertrain, Other
Remedy	- Diagnostic software update for the automatic transmission control module - Replacement of the automatic transmission hydraulic control unit if the corresponding engine warning light is observed after the diagnostic software update * If an abnormality is detected through the diagnostic software update of the automatic transmission control module, it will limit to a specific gear to prevent the possibility of wheel lock-up in advance, and simultaneously display an engine warning light and message. * Additionally, the warranty period for the automatic transmission hydraulic control unit is ext…
Recall number	K5644
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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