# Service bulletin PAB1110

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: 10189993
- Published by NHTSA: 2021\-04\-06
- Manufacturer's number: PAB1110
- Manufacturer's date: 2021\-03\-12
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1110: 2021 TOURING \& TRIKE \- COOLFLOW FAN FITMENT. PURPOSE: Revision. To inform dealers that the CoolFlow™ Fan is temporarily not a fitment on 2021 Touring, Trike, Custom Vehicle Operations \(CVO\) Touring and Police Touring motorcycles due to the 2021 Electronic Control Module \(ECM\) change on Milwaukee\-Eight® \(MKE\-8\) models. Update: Starting the week of March 15, 2021, Digital Technician II \(DT II\) will have the updated calibrations for the CoolFlow Fan for vehicles manufactured before February 15, 2021. NOTE: After the DT II release the week of March 15, 2021, the CoolFlow Fan can be enabled on 2021 vehicles built prior to February 15, 2021 after completing an ECM reflash using DT II.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189993-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189993-9999.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories

## Vehicles listed

- 2021 HARLEY\-DAVIDSON FLHP
- 2021 HARLEY\-DAVIDSON FLHR
- 2021 HARLEY\-DAVIDSON FLHRXS
- 2021 HARLEY\-DAVIDSON FLHT
- 2021 HARLEY\-DAVIDSON FLHTCUTG
- 2021 HARLEY\-DAVIDSON FLHTCUTGSE
- 2021 HARLEY\-DAVIDSON FLHTK
- 2021 HARLEY\-DAVIDSON FLHTK SHRINE
- 2021 HARLEY\-DAVIDSON FLHTKSE
- 2021 HARLEY\-DAVIDSON FLHTP
- 2021 HARLEY\-DAVIDSON FLHX
- 2021 HARLEY\-DAVIDSON FLHXS
- 2021 HARLEY\-DAVIDSON FLHXSE
- 2021 HARLEY\-DAVIDSON FLRT
- 2021 HARLEY\-DAVIDSON FLTRK
- 2021 HARLEY\-DAVIDSON FLTRX
- 2021 HARLEY\-DAVIDSON FLTRXS
- 2021 HARLEY\-DAVIDSON FLTRXSE

JSON: [/v1/bulletins/10189993](/v1/bulletins/10189993)

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