NHTSA ID Number: 10162093
Manufacturer Communication Number: TSB150057-051720
TSB/Document Date: 2019-07-08
Summary
This Technical Service Bulletin describes the verification and resolution of water intrusion that may cause the malfunction of the aftertreatment outlet NOx sensor resulting in Fault Code 1887, 3583 or 3545 on certain aftertreatment configurations. A NOx sensor bolt-in water shield may be required to be installed. This is an update to a previously submitted communication.
Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, o... Page 1 of 3
Technical Service Bulletin
Technical Service Bulletin:
Released Date: 17-May-2019
TSB150057
Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code
1887, 3583, or 3545
Aftertreatment Outlet NOx Sensor Water
Intrusion Resulting in Fault Code 1887, 3583,
or 3545
Core Issue
Water intrusion can cause the malfunction or failure of the aftertreatment outlet NOx
sensor on certain aftertreatment configurations.
Confirmation
Product Affected
•
•
•
•
•
•
ISB6.7 CM2350 B101
ISB6.7 CM2350 B103
ISL9 CM2350 L101
ISL9 CM2350 L111
ISX12 CM2350 X102
ISX15
CM2350 X101
Configuration: This failure occurs primarily on side outlet aftertreatment Selective
Catalytic Reduction (SCR) catalyst systems with vertical exhaust configurations.
Symptom: Fault Code 1887, 3583, or 3545
Resolution
If symptom has been verified, the aftertreatment outlet NOx sensor bolt-in water shield
must be installed. See Installation Instructions 4908441, for details on how to install the
aftertreatment outlet NOx sensor bolt-in water shield.
To assess if a unit already has an outlet NOx sensor bolt-in water shield installed:
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150057.html
5/22/2019
Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, o... Page 2 of 3
• Inspect for spot welds or two bolts installed in the tailpipe near the outlet NOx
sensor. See Figure 1 below.
• Verify the build of the engine serial number (ESN) is August 2015 or later. This can
be done using the physical engine dataplate or QuickServe® Online dataplate.
Figure 1, Two Outlet Nox Sensor Bolt-In Water Shield Bolts in the Exhaust Pipe.
Required Service Parts
See Table 1 and 2 below for required service part numbers to install the aftertreatment
outlet NOx sensor bolt-in water shield.
Table 1, Required Service Parts for ISX12, ISX15
Description
Part Number
Quantity
Drip Shield
4352880
1
Screw, Hex Flange Head
Cap
4354269
2
Template
4353074
1
5362108
1
Table 2, Required Service Parts for ISB6.7, ISL9
Description
Part Number
Quantity
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150057.html
5/22/2019
Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, o... Page 3 of 3
Table 2, Required Service Parts for ISB6.7, ISL9
Description
Part Number
Quantity
Drip Shield
4353926
1
Screw, Hex Flange Head
Cap
4354269
2
Template
4353074
1
5362108
1
Cummins® High Temp Sealant, Part Number 5362108, is the only sealant approved to
be used.
Warranty Statement
The information in this document has no effect on present warranty coverage or repair
practices, nor does it authorize TRP or Campaign actions.
Document History
Date
Details
2015-4-24
Module Created
2015-6-25
Fix broken link to 4908441 Installation Instruction
2016-6-21
Added assessment section to see if a unit already has an
outlet NOx sensor bolt-in water shield installed. Added Figure
1.
2019-5-9
Added "Inspect for spot welds or two bolts installed in the
tailpipe near the outlet NOx sensor. See Figure 1 below."
Last Modified: 17-May-2019
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150057.html
5/22/2019
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TSB/Document ID: TSB150057-051720
Replacement Service Bulletin Number:
MFR Communication Date: 2019-05-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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