# Service bulletin PIP5546

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: 10129079
- Published by NHTSA: 2018\-02\-21
- Manufacturer's number: PIP5546
- Manufacturer's date: 2018\-01\-19
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

## NHTSA's summary

This Preliminary information communicates if a slight shudder is felt during a shift at speeds of 40 MPH or below to perform a trans fluid drain and fill and to perfrom a cooler flow test to flush the cooler.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129079-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129079-0001.pdf)

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

## Components

Steering, Power steering

## Vehicles listed

- 2018 BUICK ENCLAVE
- 2018 CHEVROLET TRAVERSE

## Other bulletins for the same vehicles and component

- [PIC6073D](/bulletins/10129901.md), 2018-03-12, Service bulletin: ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit \(EL\-51578\) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.

JSON: [/v1/bulletins/10129079](/v1/bulletins/10129079)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20PIP5546&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10129079&vehicle=Service%20bulletin%20PIP5546)