# Service bulletin PIP5021G

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: 10127228
- Published by NHTSA: 2018\-01\-22
- Manufacturer's number: PIP5021G
- Manufacturer's date: 2015\-09\-25
- NHTSA component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

## NHTSA's summary

This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly Regular Production Option Code MW7 been placed on restriction through General Motors Product Quality Center. Dealer will need to call General Motors Product Quality Center for further assistance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10127228-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10127228-0001.pdf)

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

## Components

Equipment and accessories, Labels and manuals

## Vehicles listed

- 2015 to 2016 CHEVROLET SILVERADO 2500
- 2015 to 2016 GMC SIERRA 2500
- 2015 to 2016 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [2014216](/recalls/tc/2014216.md), 2014-06-06: Accessories

## Other bulletins for the same vehicles and component

- [20\-NA\-132](/bulletins/10253527.md), 2024-04-23, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [17\-NA\-052](/bulletins/10253526.md), 2024-04-23, Service bulletin: WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [PIT5401E](/bulletins/10252174.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Inoperative with No Communication and DTC U0184
- [PIT5387B](/bulletins/10252173.md), 2024-04-01, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Radio HVAC IPC Blank Out When Operating A Snow Plow.
- [PIT5378C](/bulletins/10252172.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Radio Display May Momentarily Flicker When Vehicle Is First Started.
- [PIT5362](/bulletins/10252170.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL. OnStar And XM Antenna Malfunction Setting.
- [PIT5359](/bulletins/10252169.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Back Lighting Stays On After Key Off.
- [PIT5358](/bulletins/10252168.md), 2024-04-01, Service bulletin: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Repetitive Popping Noise From All Speakers.
- [PIT5356](/bulletins/10252166.md), 2024-04-01, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Does Not Display The Correct Song When Listening To An Ipod.

JSON: [/v1/bulletins/10127228](/v1/bulletins/10127228)

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