21E083 Cummins Electric Drivetrain Systems C2491 Shutdown Override Switch

September 3, 2021 NHTSA CAMPAIGN NUMBER: 21E083000

Shutdown Override Switch May Not Function

An unexpected vehicle shutdown without the ability to override it, can increase the risk of a crash.

 

NHTSA Campaign Number: 21E083

Manufacturer Cummins, Inc.

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 30

 

Summary

Cummins, Inc. (Cummins) is recalling certain Electric Drivetrain Systems, model number BES CM2450 EV101B, and part number D1U0001BX03. When a system shutdown occurs, the high voltage shutdown override switch may not function, with no warning to the driver.

 

Remedy

Dealers will inspect and update as necessary, the parameter settings for the protection override switch, free of charge. Owner notification letters were mailed October 8, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2491.

 

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.nhtsa.gov.

 

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Warranty Field Campaign

Campaign Number: c2491	Revision:	Released Date: 30-Sep2021
BES CM2450 EV101B Shutdown Override Safety Campaign		Expiration Date (U.S. and Canada): 31-Dec-2035
		Expiration Date (International): 31-Dec2035

 

Attention

• U.S. / Canadian Dealers
• U.S. / Canadian Distr./Branches and Div. Offices (Automotive)

 

If additional information is required, please contact your Cummins Warranty Operations Group Leader.

 

Description

This Safety Campaign is being issued to address an issue in certain BES CM2450 EV101B SCMs that may, under certain circumstances, cause the high voltage shutdown override switch to not function, without warning the driver, when a system shutdown fault occurs. If the vehicle shuts down sooner than the driver expects, the driver may have insufficient opportunity to move the vehicle to safe location, increasing the risk of a crash. This is the subject of NHTSA Recall 21E083. The improvement consists of connecting the Cummins INSITE Service Tool to the SCM, verifying the parameter settings for the Hybrid System Protection Override Switch, and updating the parameter settings where necessary.

 

Action

In order to qualify for repair under this field action, an engine:

1. will be covered Regardless of coverage status, and

2. must show as OPEN on QuickServe® Online for this field action.

Note : The SSN list is attached for reference.

After verifying that the engine meets the above requirements, perform the following actions:

1. Connect to the SCM using Insite.

2. Navigate to Features and Parameters within Insite.

3. Navigate to SAE J1939 Multiplexing.

4. Confirm the Hybrid System Protection Override Switch is set to Enable and Source Address is set to 33-Body Controller.

5. If the parameter(s) is(are) not set to these values, update the parameter(s) accordingly and save changes to the SCM.

 

Material Disposition

There are no materials involved in the field action.

 

Reimbursements

Parts

There are no parts covered in this field action.

 

Note : SRTs to gain access that are required to complete the repair, that are sufficiently explained in the claim narrative, may also be claimed on this action.

 

Note : All SRTs listed are OPTIONAL. Select ONLY the appropriate SRTs for the repair performed. Claim ONLY SRTs 19-1JP and Admin if the unit DID require an updated calibration. Only SRT 17-902 and Admin should be claimed if the unit DID NOT require calibration.

 

Labor Using Applicable Access Code and Time

SRT Code	Description	Time (hrs)
00-90X	Administrative time
17-902	CAMPAIGN CHECK (OPTIONAL)
19-1JP	SYSTEM CONTROL MODULE CALIBRATION CODE – TRANSFER (CMI) (OPTIONAL)

 

Travel

Travel is covered under this field action. Towing is not covered under this field action.

Note : Please schedule the Technician’s time to maximize the number of units that can be repaired on a single visit. When filing claims for multiple ESNs, where travel or towing is required, travel or towing can be filed to ONLY one (1) ESN.

 

Other Claimables

Consumables are covered under this field action.

 

Note : Please consolidate all consumables and claim them as one line item in Other

 

Claimables titled CAMPAIGN SUPPLIES or other appropriate selections. Please include brief summaries on the details of items claimed.

 

Claim Instructions

For Cummins Dealers, claims for this Field Campaign must be filed via RAPIDSERVE™ Web

(rsw.cummins.com). For information regarding RAPIDSERVE™ Web, please reference the “Warranty” tab in QuickServe® Online. If there are additional questions, please contact your local Cummins Distributor.

Claim Codes
Description	Code
Account Code:	65
Pay Code:	North America Distributor = X
Pay Code:	North America Dealer = D
Pay Code:	International Distributor = I
Pay Code:	International Dealer = R
Failure Code:	WCLPCA

 

Attachments

Click here to see c2491_ssn-list.xlsx

(/service/english/attachments/c2491_ssn-list.xlsx)

Engine Family	Fuel System
Design Application	Market Application
Automotive	Bus

 

Document History

Date	Details
	Document Created; 30-Sep-21

 

Last Modified: 30-Sep-2021

 

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*** IMPORTANT SAFETY RECALL***
NHTSA Recall No. 21E-083
Cummins Campaign #C2491

 

October 8, 2021

 

Dear Cummins Customer:

 

This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain BES CM2450 EV101B electric drivetrain systems that were manufactured between November 1, 2020 and May 21, 2021.

 

This notice applies to the electric drivetrain systems in your vehicle(s) listed on the enclosed table.

 

WHAT IS THE PROBLEM? 

The high voltage shutdown override switch may not function, without warning the driver, when a system shutdown fault occurs.

 

If the vehicle shuts down sooner than the driver expects, the driver may have insufficient opportunity to move the vehicle to a safe location, increasing the risk of a crash.

 

WHAT ARE WE DOING ABOUT THE PROBLEM? 

Cummins has released field Safety Campaign #C2491 “BES CM2450 EV101B Shutdown Override Safety Campaign” to correct this condition by updating a parameter in the System Control Module. This campaign is currently available at Cummins Distributors and authorized Warranty Dealers. The repair will be completed free of charge and most applications will require approximately 1 hour to complete.

 

WHAT SHOULD YOU DO? 

Cummins recommends that you notify drivers that the high voltage shutdown override switch may not function until the repair is completed.

 

Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this campaign performed on your drivetrain system. The distributor or dealer will work with you to schedule the best date to complete this repair.

 

If you have questions or concerns about this recall, please contact your local Cummins Distributor or authorized warranty dealer. You may also contact Cummins Care at 1-800- CUMMINS (1-800- 286-6467), or visit our website at care.cummins.com.

 

If you have a complaint relative to this recall, you may report it to the following:

Administrator
National Highway Traffic Safety Administration
1200 New Jersey Avenue, SE
Washington, DC 20590

 

You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to https://www.safercar.gov.

 

If you have not registered your Cummins product, please complete the enclosed registration card or register your product at https://prodreg.cummins.com/prodreg/#/webform/contactInfo.

 

If you are no longer the owner of the vehicle(s) listed on the enclosed table, please forward this notice to the new owner or provide the new owner’s contact information to Cummins so that we can notify them of this recall.

Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee within ten (10) days. Also, it is a violation of Federal law for a dealer to deliver a new vehicle or equipment covered by this recall notice under a sale or lease until the defect has been remedied.

 

Cummins is taking this action in the interest of safety and satisfaction with our products. We apologize for any inconvenience and thank you for your attention to this matter.

 

Sincerely,

 

Campaign Administrator Cummins Inc.

 

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*** IMPORTANT SAFETY RECALL ***

NHTSA Recall No. 21E-083

 

September 8, 2021

 

GILLIG LLC
451 Discovery Drive
Livermore, CA 94551

 

Dear Cummins OEM Customer:

We are writing to inform you that Cummins Inc. has determined that a safety-related defect exists in certain BES CM2450 EV101B Electric Drivetrain Systems that were manufactured between November 1, 2020 and May 21, 2021.  Cummins has initiated a recall of the subject systems.  Our records indicate that some of these systems have been shipped to you.

 

A copy of Cummins’ initial Part 573 Defect Notification report is enclosed.  This notification was submitted to the National Highway Traffic Safety Administration (NHTSA) on September 3, 2021.  As more fully described in the Defect Notification, the Hybrid System Protection feature high voltage shutdown override switch may not function, without warning to the driver, when a system shutdown fault occurs.  If this occurs, it may increase the risk of a crash.

 

Enclosed is a list of the affected systems that our records indicate were shipped to your plants.  For systems installed in vehicles that have left your control, we encourage you to make a safety defect determination in accordance with 49 USC 30118 et seq. and, as appropriate, to submit a Defect Notification to NHTSA in accordance with 49 CFR Part 573.  Cummins will conduct the recall, including notifying owners pursuant to 49 CFR Part 577, performing the remedy, and submitting quarterly status reports to NHTSA. Cummins is requesting that you provide the associated vehicle model identification, VINs and owner contact information to facilitate owner notification.  Please work with your Cummins account team leader to ensure that the requested information is provided to Cummins as soon as possible.

 

For systems/vehicles that are still in your inventory, please contact Jim Priestley on 607-6443925 to arrange for repairs, as necessary.  Please note that Federal law prohibits delivery of these systems, or vehicles equipped with these systems, under a sale or lease until this condition has been remedied.

 

Cummins will conduct a safety campaign to address this condition.  The remedy and recall plan are described in the Defect Notification.

 

Cummins apologizes for this inconvenience, but we are initiating this action in the interest of our customers’ safety and satisfaction with our products.  Thank you for your assistance.

 

Please confirm receipt of this communication.

 

Sincerely,

 

Business Development and Account Management
New Power- Cummins Inc
500 Central Ave, Columbus, IN 47201

 

Enclosures:

1. Cummins Part 573 Defect Notification
2. List of Electric Drivetrain systems

 

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1 Affected Product

Equipment

BRAND	PART NO.	PRODUCTION DATES
CUMMINS	ELECTRIC DRIVETRAIN

 

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6 Associated Documents

Recall Acknowledgement

RCAK-21E083-7780.pdf 645.827KB

 

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Defect Notice 573 Report

RCLRPT-21E083-1876.PDF 215.357KB

 

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Recall Quarterly Report #1, 2021-4

RCLQRT-21E083-8451.PDF 211.126KB

 

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Manufacturer Notices(to Dealers,etc)

RCMN-21E083-5618.pdf 36.478KB

 

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Manufacturer Notices(to Dealers,etc)

RCMN-21E083-6811.pdf 126.58KB

 

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ISSUED Owner Notification Letter(Part 577)

RCONL-21E083-6866.pdf 149.636KB

 

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21E083&docType=RCL

 

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Heavy Duty Truck Reprogramming

Description:

Designed for flexibility, the USB-Link 3 Wired Edition connects to your PC, tablet, or smartphone with a USB cable, allowing techs to directly connect to a device when working in the field or during signal interruptions.

Built to support the latest protocols (CAN FD, DoIP) and compatible with a wide range of OEM diagnostics software, the USB-Link 3 is our most advanced VCI to date, with the performance and technology you can rely on well into the future.

 

The USB-Link™ 3 comes with the following:

• Latching USB Cable (PN 404032)

• 9-Pin Deutsch Adapter, 1 Meter (PN 493128)

• J1962 Adapter (16-Pin OBD II, 1 Meter (PN 491113)

The USB-Link™ 3: Wireless is also available (PN 121052).

 

Specifications
Vehicle Network Protocol Support
CAN FD / J1939 FD / ISO15765 FD - 250K, 500K, 1M b/s with auto baud detection
Single wire CAN (SWCAN)
ISO 11898-3 Fault Tolerant CAN (FTCAN)
Diagnostics Over Internet Protocol (DoIP)
J1708
J1850 VPW (Class 2)
ISO PWM (SCP)
ISO 9141 / KWP2000 (ISO 14230) K/L line
ALDL 9600 and 8192 baud
ATEC 160 baud

Windows® Vehicle Communication API
Windows® Vehicle Communication API
RP1210 a/b/c
J2534 (2004 draft)
J2534-1 partial implementation (commercial vehicle focused)

Operating System Compatibility
iOS
Android™
Windows® 10, 11

Interfaces to Computing Platforms
USB 2.0 (vehicle-to-PC connectivity)
Bluetooth® 2.1 + EDR
Wi-Fi (dual band)

Compatible Software
Detroit Diesel Diagnostic Link
CAT Electronic Technician (On-Highway only)
Cummins Insite
International - ServiceMAXX Fleet Pro
Hino eXplorer
Volvo PTT
VCAD Elite Mack/Volvo
V-MAC Service Tools
Allison DOC® For PC-Service Tool - Protocols Supported: J1939, J1708/J1587, and J1850
Allison DOC® For Fleets (1000/2000) - Protocols Supported: J1939, J1850
Allison DOC® For Fleets (3000/4000) - Protocols Supported: J1939, J1708/J1587
Eaton ServiceRanger
Bendix ACom
WABCO Toolbox
Freightliner ServiceLink
International ABS
International DLB
International Intune
International IPC v2.02
PACCAR DAVIE4

 

121052

121054

 

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Daimler Truck

DiagnosticLink Order Site:

DiagnosticLink Direct Link:

https://diagnosticlink.nexiq.com/DTNA/Default.aspx

 

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Last update on 2026-05-23 / Affiliate links / Images from Amazon Product Advertising API

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