Is your defective Cadillac CT4 actually a LEMON?

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Cadillac TSB #22-NA-113

2021 Cadillac CT4

TSB Document:

MC-10231407-0001.pdf

Affected Component: EQUIPMENT

Summary: This service bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U0158 Set.

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Date Published: JAN 20, 2023
NHTSA TSB #: 10231407

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