Affected Component: ENGINE AND ENGINE COOLING

Date Published
FEB 13, 2023
NHTSA TSB #
10234376
TSB Document
Summary
Engine When replacing a GMET4 long block from a 2021 JL or older, you will need to carry over the injector wiring harness from the original engine, and the Fuel pressure sensor should be replaced with part number: 68212572AB.