Is your defective Cadillac CT4 actually a LEMON?

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Cadillac TSB #PIC6450

2021 Cadillac CT4

TSB Document:

MC-10208991-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This Preliminary information communicates a process to correct theÂ concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.

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Date Published: FEB 24, 2022
NHTSA TSB #: 10208991

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