# Service bulletin M1490

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: 10215594
- Published by NHTSA: 2022\-07\-09
- Manufacturer's number: M1490
- Manufacturer's date: 2022\-06\-27
- NHTSA component: SUSPENSION; PARKING BRAKE; ELECTRICAL SYSTEM

## NHTSA's summary

M1490: DIGITAL TECHNICIAN II \- UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley\-Davidson has made a software update to Digital Technician II \(DT II\). DIGITAL TECHNICIAN II \(PART NUMBER: HD\-48650\). New Software Update: Version 22.5 Release Date: • Week of June 27, 2022. New Features: Revolution® Max calibrations updated: • Right Hand Control Module \(RHCM\) • Ultron Body Control Module \(BCM\) • Electronic Control Module \(ECM\). 2020 LiveWire • Onboard Charger \(OBC\) calibration updated. RH975 • Added support for Tire Pressure Monitoring System \(TPMS\) tire size selections. Changes: Pan America – Vehicle Setup \- Suspension Calibration • Improved instructions • Inductance values displayed at completion of setup • Communication timing parameters adjusted for more robust process. Parking Brake Telltale Vehicle setup, now offers ability to disable. Update to Safety and Product Campaign to improve page loading.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215594-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10215594-9999.pdf)

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

## Components

Brakes, Electrical system, Suspension, Parking brake

## Vehicles listed

- HARLEY\-DAVIDSON HARLEY\-DAVIDSON

JSON: [/v1/bulletins/10215594](/v1/bulletins/10215594)

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