# Service bulletin PIC6388A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10173691
- Published by NHTSA: 2020\-04\-13
- Manufacturer's number: PIC6388A
- Manufacturer's date: 2020\-03\-12
- NHTSA component: LANE DEPARTURE: BLIND SPOT DETECTION; VISIBILITY

## NHTSA's summary

This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173691-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173691-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Glass, wipers and mirrors, Blind spot detection

## Vehicles listed

- 2020 CADILLAC CT4
- 2020 CADILLAC CT5
- 2020 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [PIT5698B](/bulletins/10201251.md), 2021-09-13, Service bulletin: ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
- [PIC6388B](/bulletins/10178392.md), 2020-08-10, Service bulletin: ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS; LANE DEPARTURE: BLIND SPOT DETECTION. This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module.
- [PIC6388](/bulletins/10171310.md), 2020-02-10, Service bulletin: VISIBILITY; LANE DEPARTURE: BLIND SPOT DETECTION. This PI communicates a parts restriction is in effect on 2020 cadillac CT5 Side Blind Zone Module.

JSON: [/v1/bulletins/10173691](/v1/bulletins/10173691)

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