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April 19: Cadillac LYRIQ Problems Investigated After Brake System Failures investigations | 3 days ago

Cadillac TSB #PIC6403B

2020 Cadillac CT4

TSB Document:

MC-10176319-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.

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Date Published: MAY 19, 2020
NHTSA TSB #: 10176319

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