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April 19: Cadillac LYRIQ Problems Investigated After Brake System Failures investigations | 0 days ago

Cadillac TSB #PIT5817A

2020 Cadillac CT4

TSB Document:

MC-10190367-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: This Preliminary information communicates and issue with a SES MIL and the BCM keeping the ignition main relay on after the vehicle is turned off.Â Dealers are to replace the BCM.Â

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Date Published: MAR 08, 2021
NHTSA TSB #: 10190367

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