# Service bulletin PIT5676B

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: 10208032
- Published by NHTSA: 2022\-02\-14
- Manufacturer's number: PIT5676B
- Manufacturer's date: 2022\-01\-14
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:HOSES, FITTINGS, AND RESERVOIR

## NHTSA's summary

This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up\-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up\-fitter Integration Bulletin 148. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208032-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208032-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Hybrid and electric drive, High\-voltage battery

## Vehicles listed

- 2019 CHEVROLET 6500
- 2019 to 2022 CHEVROLET SILVERADO 4500
- 2019 to 2021 CHEVROLET SILVERADO 5500
- 2019 CHEVROLET SILVERADO 6500
- 2021 to 2022 CHEVROLET SILVERADO 6500
- 2019 CHEVROLET duplicate SILVERADO 5500

## Other bulletins for the same vehicles and component

- [21NA128](/bulletins/10199282.md), 2021-07-19, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE \(BMS/BECM\). This technical bulletin provides repair information to correct a customer concern of MIL Illuminated\- ECM Update for P026C, P20EE, or P11D5.

JSON: [/v1/bulletins/10208032](/v1/bulletins/10208032)

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