TSB150057-062116

Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, o... Page 1 of 3
Technical Service Bulletin Number
TSB150057
Technical Service Bulletin
Subject
Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, or 3545
Issue
Water intrusion can cause the malfunction or failure of the aftertreatment outlet NOx sensor on
certain aftertreatment configurations.
Verification
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.
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Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, o... Page 2 of 3
To assess if a unit already has an outlet NOx sensor bolt-in water shield installed:
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
Inspect for 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
High Temp Sealant
5362108
1
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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
High Temp Sealant
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
2015-4-24
2015-6-25
2016-6-21
Details
Module Created
Fix broken link to 4908441 Installation Instruction
Added assessment section to see if a unit already has an outlet NOx sensor
bolt-in water shield installed. Added Figure 1.
Last Modified: 22-Jun-2016
Copyright © 2000-2010 Cummins Inc. All rights reserved.
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7/1/2016