Affected Component: ENGINE AND ENGINE COOLING

Date Published
SEP 01, 2020
NHTSA TSB #
10181216
TSB Document
Summary
I01 REX MISFIRES AT HIGH ALTITUDES USING WINTER-BLEND FUEL: The check engine light (MIL) is displayed, and in some cases the range extender (REx) engine will run rough for about 1 to 2 seconds during cold start.