NHTSA ID Number: 10092021
Manufacturer Communication Number: TSB150071-011717
TSB/Document Date: 2017-02-16
Summary
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODES 122, 123, 124, 125 OR 2973 DUE TO INTAKE MANIFOLD PRESSURE/TEMPERATURE SENSOR WATER INTRUSION. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.
Intake Manifold Pressure/Temperature Sensor Water Intrusion Resulting in Fault Code 12... Page 1 of 4
Technical Service Bulletin Number
TSB150071
Technical Service Bulletin
Subject
Intake Manifold Pressure/Temperature Sensor Water Intrusion Resulting in Fault Code 122,
123, 124, 125, or 2973
Issue
Product Affected:
•
•
•
•
•
•
•
•
•
•
•
ISB6.7 CM2350 B101
B6.7 CM2350 B121B
ISL9 CM2350 L101
ISX12 CM2350 X102
ISX15
CM2250 SN
ISX15 CM2350 X101
QSB6.7 CM2250 EC
QSB6.7 CM2350 B105
QSL9 CM2250 L115
QSL9 CM2350 L102
QSX15 CM2350 X106
Symptom:
• Fault Code(s) 2973, 122, 123, 124, or 125.
Root Cause:
• New intake manifold pressure/temperature sensor, Part Number 2897333 and
2897334, were released in July 2014. The capacitor in the new intake manifold
pressure/temperature sensor is not completely covered in protective silicone gel,
leaving the capacitor exposed. Moisture intrusion from water spray and water/ice
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150071.html
2/1/2017
Intake Manifold Pressure/Temperature Sensor Water Intrusion Resulting in Fault Code 12... Page 2 of 4
accumulation on the air intake manifold can cause corrosion and incorrect sensor
readings.
NOTE: This issue does not affect obsolete intake manifold pressure/temperature
sensor, Part Number 2872784 or 4921322.
Figure 1, Water Accumulation On Air Intake Manifold.
Verification
1. Use INSITE™ electronic service tool to check for active or inactive Fault Code(s)
2973, 122, 123, 124, or 125.
2. If any fault codes listed above are present, remove intake manifold
pressure/temperature sensor and confirm part number is 2897333 or 2897334.
Part number can be found on connector.
3. If part number is 2897333 or 2897334, locate 16-digit serial number on intake
manifold pressure/temperature sensor connector. See Figure 2 below.
4. For part number 2897334, if serial number is 91514383xxxxxxxx or above,
published troubleshooting should be resumed. If serial number is
91514382xxxxxxxx or below, reference Resolution section below.
5. For part number 2897333, if serial number is 56514383xxxxxxxx or above,
published troubleshooting should be resumed. If serial number is
56514382xxxxxxxx or below, reference Resolution section below.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150071.html
2/1/2017
Intake Manifold Pressure/Temperature Sensor Water Intrusion Resulting in Fault Code 12... Page 3 of 4
Figure 2, Serial Number Location on Intake Manifold Pressure/Temperature Sensor.
Table 1, Intake Manifold Pressure/Temperature Sensor Serial Number Range
Part Number
2897334
2897333
Serial Number
Status
91514383xxxxxxxx and above
OK
91514382xxxxxxxx and below
Not OK
56514383xxxxxxxx and above
OK
56514382xxxxxxxx and below
Not OK
Resolution
If issue has been verified and intake manifold pressure/temperature sensor serial number
range status is Not OK per Table 1, replace with part number 2897334 or 2897333, which
has a serial number status that is OK per Table 1.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150071.html
2/1/2017
Intake Manifold Pressure/Temperature Sensor Water Intrusion Resulting in Fault Code 12... Page 4 of 4
NOTE: Obsolete intake manifold pressure/temperature sensor, Part Number 2872784,
can also be used to replace intake manifold pressure/temperature sensor, Part
Number 2897334. Obsolete intake manifold pressure/temperature sensor, Part
Number 4921322, can also be used to replace intake manifold pressure/temperature
sensor, Part Number 2897333.
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
2015-5-14
2016-8-16
2016-9-21
2017-1-17
Details
Module Created
Added ISB6.7 CM2350 B101, QSB6.7 CM2250 EC, QSB6.7 CM2350 B105,
QSL9 CM2250 L115, and QSL9 CM2350 L102 to Product Affected section.
Added B6.7 CM2350 B121B.
Added part number 2897333 and 4921322. Updated formatting.
Last Modified: 20-Jan-2017
Copyright © 2000-2010 Cummins Inc. All rights reserved.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2015/tsb150071.html
2/1/2017
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TSB/Document ID: TSB150071-011717
Replacement Service Bulletin Number:
MFR Communication Date: 2017-01-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
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