# Service bulletin N202298770

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: 10177364
- Published by NHTSA: 2020\-07\-20
- Manufacturer's number: N202298770
- Manufacturer's date: 2020\-06\-15
- NHTSA component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; SERVICE BRAKES, ELECTRIC

## NHTSA's summary

Customer Satisfaction Program \- Certain vehicles, equipped with 4 Cyl gas engines, may have incorrect instructions in the owner?s manual for Dinghy and Dolly Towing. Instructions should include disconnecting the negative battery cable when towing their vehicle. If not disconnected, the electronic brake control module may remain awake which could lead to draining the vehicle battery while being towed and the electronic stability control \(ESC\) may activate brakes under specific operation conditions while the vehicle is being towed. Dealers are to print and insert revised owner manual page\(s\) included with this bulletin.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177364-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177364-9999.pdf)

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

## Components

Brakes, Electrical system, Equipment and accessories, Labels and manuals, 12\-volt battery

## Vehicles listed

- 2020 CHEVROLET BLAZER

## Other bulletins for the same vehicles and component

- [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.
- [20NA132](/bulletins/10205059.md), 2021-12-20, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

JSON: [/v1/bulletins/10177364](/v1/bulletins/10177364)

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