NHTSA ID Number: 10118588
Manufacturer Communication Number: C1941
TSB/Document Date: 2017-10-12
Summary
This field action authorizes certified repair locations to recalibrate the ECM and upfit the unit with an improved SCR Catalyst on certain ISL9 CM2350 L101 engines installed in Transit Bus Applications. New SCRs delete the NH3 Sensor and move from a three (3) wire harness to a NEW two (2) wire harness assembly.
ISL CM2350 Product Improvement Campaign for Transit Applications
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Warranty Field Campaign
Campaign Number:
c1941
Revision:
ISL CM2350 Product Improvement Campaign for
Transit Applications
Released Date: 19-Sep2017
Expiration Date (U.S.
and Canada): 30-Sep2019
Expiration Date
(International
): 30-Sep2019
ISL CM2350 Product Improvement Campaign
for Transit Applications
Attention
• U.S / Canadian Dealers
• U.S / Canadian Distr./Branches and Div. Offices
If additional information is required, contact your Cummins Warranty Operations
Group Leader.
Description
This field action authorizes certified repair locations to recalibrate the ECM and upfit the
unit with an improved SCR Catalyst on certain ISL9 CM2350 L101 engines installed in
Transit Bus Applications.
Note : This Campaign is retroactive and covers work performed prior to the
release date of this document.
Action
In order to qualify for repair under this field action, an engine:
1. will be covered Regardless of coverage status, and
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ISL CM2350 Product Improvement Campaign for Transit Applications
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2. must show an OPEN status for this field action on QuickServe Online.
After verifying that the engine meets the above requirements, perform the following
actions:
1. Please refer to Attachment B. A matrix of SCR Catalysts and ECM base codes are
provided for your consideration.
2. New SCRs delete the NH3 Sensor and move from a three (3) wire harness to a
NEW two (2) wire harness assembly. Install the appropriate SCR and a new two (2)
wire harness assembly.
Note : When available, RX parts are to be used to replace the SCR.
3. Download the latest calibration available on Quickserve Online. Recalibrate the ECM
as described in Procedure 019-032 in Service Manual 4310787.
4. Complete "Label, Authorized Change," Cummins Part Number 5297400. Clearly
print or type "ECM Calibration Update" in the center box. Fill in the Campaign
Number, Distributor or Dealer Code and Date information. Peel off the backing
material and install the label on the engine valve cover near the engine data plate.
There is a clear protective cover on this label. Peel the backing off of this cover and
push the clear cover over the printed material.
5. File one claim for all labor and travel associated with this repair. Provide
documentation of the ECM calibration revision codes from before and after the
recalibration in the claim narrative.
Material Disposition
Materials removed as a result of this field action must be sent to ReCon.
Reimbursements
Parts
Note : All SCRs are listed as optional. Use RX parts where available. Claim
only the parts required to complete the repair. Additional parts, such as
o-rings, gaskets and fasteners, that are required to complete the repair, but not
listed, may be claimed if sufficiently explained in the claim narrative.
The following parts are covered under this field action:
Part Number
Quantity
Description
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ISL CM2350 Product Improvement Campaign for Transit Applications
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Part Number
Quantity
Description
287145100
1
GSK,AFM
388639600
1
LIT,ELE (FLEET COUNT)
435403900
1
DEV,AFT (OPTIONAL)
435404100
1
DEV,AFT (OPTIONAL)
435404200RX
1
DEV,AFT (OPTIONAL)
435404300
1
DEV,AFT (OPTIONAL)
435404400RX
1
DAV,AFM (OPTIONAL)
435405100
1
DEV,AFT (OPTIONAL)
435405200RX
1
DEV,AFT (OPTIONAL)
435406100
1
DEV,AFT (OPTIONAL)
435406200RX
1
DAV,AFM (OPTIONAL)
435406600
1
DEV,AFT (OPTIONAL)
435406700RX
1
DEV,AFT (OPTIONAL)
437665700
1
DEV,AFT (OPTIONAL)
437665900
1
DEV,AFT (OPTIONAL)
437666000RX
1
DEV,AFT (OPTIONAL)
437666100
1
DEV,AFT (OPTIONAL)
437741300
1
HAR,WRG (NEW 2 WIRE)
437776000
1
DEV,AFT (OPTIONAL)
439467500
1
DEV,AFT (OPTIONAL)
529740000
1
LABEL, AUTHORIZED
CHANGE (TAG)
536625800
1
DEV,AFT (OPTIONAL)
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.
Labor Using Applicable Access Code and Time
SRT Code
00-90X
Description
Time (hrs)
Administrative time
https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2019/c1941.html
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ISL CM2350 Product Improvement Campaign for Transit Applications
SRT Code
Description
00-90X
Administrative Time Open and Close Repair
Order (Road Repairs)
08-142
Belt Guard - Remove and
Install, Each
11-803
Aftertreatment SCR
Catalyst - Remove and
Install
17-124
Floorboard - Remove and
Install (Automotive, Bus,
and Recreational Vehicle
Applications only)
17-153
Engine Side Panels or
Doors (Bus Applications),
(Without Quick Release
Clamps) - Remove and
Install, Each
17-154
Mobile Vehicle/Equipment
Lift System- Set Up
17-157
Back Seat - Remove and
Install (Bus Application)
17-901
Stamp Engine Data
Plate/Apply Emission
Sticker
17-904
REAR ROOF TOP PANEL
(BUS AND RV
APPLICATIONS) REMOVE AND INSTALL
19-611
Engine Control Module
(ECM) CalibrationTransfer (CM
2250/CM2350)
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Time (hrs)
Travel
Travel is covered under this field action. Towing is not covered under this field action.
Other Claimables
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ISL CM2350 Product Improvement Campaign for Transit Applications
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Consumables are covered under this field action.
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:
Distributor = X
Pay Code:
Dealer = D
Pay Code:
International = I
Failure Code:
WUSSCV
Attachments
Click here to see c1941_esn-list.xls
(/service/english/attachments/c1941_esn-list.xls)
see c1941_attach-b.pdf
Click here to
(/service/english/attachments/c1941_attach-b.pdf)
Engine Family
Fuel System
Design Application
Market Application
Automotive
Bus
Last Modified: 19-Sep-2017
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ISL CM2350 Product Improvement Campaign for Transit Applications
https://qsol.cummins.com/qs3/pubsys2/xml/en/campaign/2019/c1941.html
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9/22/2017
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W...
- As measured in Seq IX test under high load/torque conditions...
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TSB/Document ID: C1941
Replacement Service Bulletin Number:
MFR Communication Date: 2017-09-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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