# Service bulletin PIT5528A

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: 10111712
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIT5528A
- Manufacturer's date: 2016\-12\-12
- NHTSA component: POWER TRAIN:CLUTCH ASSEMBLY; ELECTRICAL SYSTEM

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have a Service AWD message and/or flashing Rear Drive Warning Instrument Panel Cluster indicator. Technician may find no communication with Rear Differential Clutch Control Module and or Diagnostic Trouble Code C0407, C0550, or no Diagnostic Trouble Code set. Technician will need to reprogram the Rear Differential Clutch Control Module with the latest calibration in Service Programming System. Technician should be advised if Diagnostic Trouble Code C0550 is set a updating using Service Programming System to the Rear Differential Clutch Control Module with the latest calibration is a temporary solution until the update becomes available to fix this. Technician should use published Service Information diagnostics if the Diagnostic Trouble Code does not clear.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10111712-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10111712-0001.pdf)

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

## Components

Electrical system, Transmission and driveline, Clutch

## Trouble codes named

C0407, C0550

## Vehicles listed

- 2016 to 2017 BUICK ENVISION

JSON: [/v1/bulletins/10111712](/v1/bulletins/10111712)

[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%20PIT5528A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10111712&vehicle=Service%20bulletin%20PIT5528A)