# Service bulletin M1500

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: 10164797
- Published by NHTSA: 2019\-09\-16
- Manufacturer's number: M1500
- Manufacturer's date: 2019\-08\-30
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

SERVICE BULLETIN M1500: 2020 TOURING MODELS WITH RDRS IDLE RPM FLUCTUATIONS. REVISION. PURPOSE: Notify dealers that it has been identified that 2020 Touring vehicles equipped with RDRS \(Reflex defensive rider systems\) may exhibit fluctuations in idle rpm \(Revolutions per minute\). Some vehicles may be pronounced enough to cause customer dissatisfaction. Harley\-Davidson has developed an ECM update to reduce, or eliminate these fluctuations. Vehicles Affected: All 2020 Touring, Police Touring, CVO Touring vehicles equipped with RDRS built from: Start of production through August 29,2019.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10164797-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10164797-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2020 HARLEY\-DAVIDSON FLHR
- 2020 HARLEY\-DAVIDSON FLHRXS
- 2020 HARLEY\-DAVIDSON FLHT
- 2020 HARLEY\-DAVIDSON FLHTK
- 2020 HARLEY\-DAVIDSON FLHX
- 2020 HARLEY\-DAVIDSON FLHXS
- 2020 HARLEY\-DAVIDSON FLRT
- 2020 HARLEY\-DAVIDSON FLTRX
- 2020 HARLEY\-DAVIDSON FLTRXS

JSON: [/v1/bulletins/10164797](/v1/bulletins/10164797)

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