Hyundai TSB #20-01-027H

2020 Hyundai Sonata

TSB Document:

Affected Component: EQUIPMENT

Summary
This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the logic for DTC P030X: Cylinder “X” Misfire Detected and P0456: EVAP System Leakage Detected – Very Small Leak.

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Date Published
JUN 22, 2020
NHTSA TSB #
10177133
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