# Service bulletin 17385

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: 10159300
- Published by NHTSA: 2019\-04\-30
- Manufacturer's number: 17385
- Manufacturer's date: 2017\-09\-29
- NHTSA component: ELECTRICAL SYSTEM; PARKING BRAKE

## NHTSA's summary

17385 \- Service Update. The Electronic Park Brake \(EPB\) module securing nuts may not have achieved proper torque during manufacturing, and may loosen over time. Tighten the EPB module/bracket assembly securing nuts to the proper torque.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10159300-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10159300-9999.pdf)

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

## Components

Brakes, Electrical system, Parking brake

## Vehicles listed

- 2018 CHEVROLET IMPALA

## Other bulletins for the same vehicles and component

- [PI1410B](/bulletins/10137680.md), 2018-05-21, Service bulletin: PARKING BRAKE. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.

JSON: [/v1/bulletins/10159300](/v1/bulletins/10159300)

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