2019-2021 Arcimoto Motorcycles Inverter Communication May Time Out

May 4, 2021 NHTSA CAMPAIGN NUMBER: 21V311000

Inverter Communication May Time Out

A battery shutdown causes an immediate loss of power, increasing the risk of a crash.

 

NHTSA Campaign Number: 21V311

Manufacturer Arcimoto Inc

Components ELECTRICAL SYSTEM, HYBRIDeBay logo PROPULSION SYSTEM

Potential Number of Units Affected 261

 

Summary

Arcimoto Inc (Arcimoto) is recalling certain 2019-2021 FUV, 2021 Rapid Responder, 2020 Deliverator, 2020-2021 Roadster. Due to a software error, communication between inverters may time out, possibly resulting in an unexpected battery shutdown.

 

Remedy

A service technician will reprogram the inverter firmware, free of charge. Owner notification letters were mailed May 27, 2021. Owners may contact Arcimoto customer service at 1-541-683-6293. Note: Vehicles previously repaired under Recall 19V834 will need to return for the new remedy.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

 

Check for Arcimoto Recalls

 


Regulatory Recall Method-SheetRRM0019
21V311 Inverter Timeout Remedy- Phase 2 InstructionsRev: 0
Author: PeteZPO: Dir Q&RAAppr: Dir Q&RADate: 05/10/2021

 

1 PURPOSE

Safety Recall Remedy Instructions: Battery Shutdown May Occur Unexpectedly

 

2 AFFECTED VEHICLES

Model YearModelVIN Range
2019FUV Evergreen7F7ATR312KER00000 – 7F7ATR317KER00056
2020Deliverator-17F7ADR316LER00001 – 7F7ADR315LER00006
2020FUV Evergreen7F7ATR312LER00001 – 7F7ATR310LER00126
2020Roadster7F7ARR314LER00001 – 7F7ARR31XLER00004
2021Deliverator-17F7ADR314MER00001 – 7F7ADR318MER00003
2021Rapid Responder7F7AER318MER00001 – 7F7AER318MER00001
2021Roadster7F7ARR312MER00001 – 7F7ARR314MER00002
2021FUV7F7ATR310MER00001 – 7F7ATR315MER00009
2021FUV7F7ATR313MER00011 – 7F7ATR314MER00048
2021FUV7F7ATR312MER00050 – 7F7ATR313MER00056
2021FUV7F7ATR319MER00059 – 7F7ATR317MER00061
2021FUV7F7ATR310MER00063 – 7F7ATR31XMER00068
2021FUV7F7ATR318MER00070 – 7F7ATR318MER00070
2021FUV7F7ATR318MER00084 – 7F7ATR318MER00084
2019FUV Evergreen7F7ATR312KER00000 – 7F7ATR317KER00056

 

3 BACKGROUND

Due to an unintended software behavior, communication between inverters may time out. If a specific inverter message times out, this will lead to the traction contactor opening, which will lead to unexpected battery shutdown and immediate loss of traction-power, which would make the vehicle more difficult to control and increase the likelihood of a crash.

 

Phase 1 of the software/firmware update was completed as part of Recall 19V834, (Remedy Recall Instructions RRL0007.) This remedy is the second phase of the software/firmware update to permanently correct the unintended software behavior.

 

4 OWNER NOTIFICATION

Owners of affected vehicles will be sent a notification of this campaign.

 

5 CORRECTIVE ACTION

Owners will be notified by mail and instructed to contact Arcimoto to schedule a service appointment to have their inverter software/ firmware reprogrammed. There will be no charge to vehicle owners for this service. To the best of our knowledge, no owners have incurred any costs resulting from this defect.

 

6 PARTS INFORMATION

No new parts are required to complete the remedy action; updated firmware files.

 

7 RELATED DOCUMENTS AND RESOURCES

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8 SERVICE PROCEDURE

8.1 BEGIN.

8.2 END.

 

9 REVISION HISTORY 

FunctionRoleNameSignatureDate
AuthorDir Q&RAPete Z<insert name>05/10/2021
PODir Q&RAPete Z<insert name>05/10/2021
ApproverDir Q&RAPete Z<insert name>05/10/2021
CheckerRA RCARaymond S<insert name>05/10/2021

 

RevisionReason for change;

Summary of change from prior Revision

#Date Issued
005/10/2021Initial Issue

Safety Recall Remedy Instructions: High-Voltage Cable Short May Cause Battery Shutdown

 



7 Affected Products

Vehicles

MAKEMODELYEAR
ARCIMOTODELIVERATOR2020
ARCIMOTOFUV2019-2021
ARCIMOTORAPID RESPONDER2021
ARCIMOTOROADSTER2020-2021

 


12 Associated Documents

Remedy Instructions and TSB

RCRIT-21V311-8141.pdf 133.31KB

 


Defect Notice 573 Report

RCLRPT-21V311-6922.PDF 217.869KB

 


Recall Acknowledgement

RCAK-21V311-4968.pdf 645.238KB

 


Recall Quarterly Report #1, 2021-2

RCLQRT-21V311-9580.PDF 211.121KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V311-5095.pdf 109.474KB

 


Recall Quarterly Report #3, 2021-4

RCLQRT-21V311-2648.PDF 211.301KB

 


Recall Quarterly Report #2, 2021-3

RCLQRT-21V311-4207.PDF 211.219KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V311-0378.pdf 94.166KB

 


Recall 573 Report

RCLRPT-21V311-4814.PDF 218.896KB

 


Owner Notification Letter(Part 577)

RCONL-21V311-1563.pdf 116.482KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V311-2314.pdf 123.134KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V311-2871.pdf 94.175KB

 


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