# Service bulletin TSB 26\-019

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: 11033017
- Published by NHTSA: 2026\-05\-29
- Manufacturer's number: TSB 26\-019
- Manufacturer's date: 2026\-05\-29
- Campaign id or software version: TSB 26\-019
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TSB \(Technical Service Bulletin\) \- The battery isolation manager connections require a repair. The improper connection can result in a parasitic drain on the chassis battery and a nuisance check engine light on the dash. Once the battery isolation manager connections are properly repaired, the chassis battery drain will be eliminated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033017-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033017-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2026 ENTEGRA QWEST
- 2026 JAYCO MELBOURNE PRESTIGE

JSON: [/v1/bulletins/11033017](/v1/bulletins/11033017)

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