Hyundai TSB #20-AT-020H

2021 Hyundai Sonata

TSB Document:

Affected Component: POWER TRAIN

Summary
This bulletin provides a procedure to transfer pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the transmission learning time and improve the shift quality.

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Date Published
SEP 02, 2020
NHTSA TSB #
10180977
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