NHTSA ID Number: 10131075
Manufacturer Communication Number: IK1201075
TSB/Document Date: 2018-04-02
Summary
Intake Throttle Valve Causing Regen Issues
IK1201075 20102013 IBB Intake Throttle Valve Causing Regen Issues
Page 1 of 4
Countries:
CANADA, UNITED STATES, PUERTO
RICO
Document ID: IK1201075
Availability:
ISIS, FleetISIS
Revision:
0
Major System:
Current
Language:
ENGINES
Created:
Last
Modified:
2/11/2014
English
Other Languages: NONE
Viewed:
2/14/2014
Steven
Bell
Author:
435
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Title : 2010-2013 IBB Intake Throttle Valve Causing Regen Issues
Applies To : 2010-2013 IBB Maxxforce 11/13/15L Engines
DESCRIPTION
Some intake throttle valves are causing frequent regen issues and can be hard to detect through normal test procedures and
sometimes will not be accompanied with any DTC's causing extended downtime for diagnosing.
SYMPTOM(s)
Possible Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
The unit may have one or more or none of the following DTC's
DTC/Dash Light
Description
SPN 51 FMI 7/MIL
ETP Does Not Agree with
Commanded Position
SPN 3719 FMI 0/MIL
DPF Soot Load- Highest
SPN 3719 FMI 15/MIL
DPF Soot Load- Lowest
SPN 3719 FMI 16/MIL
DPF Soot Load -Moderate
SPN 4766 FMI 10/MIL
DPF Regen Feedback Fault
Customer Complaint(s):
Customers can experience frequent regens, low power, unit unable to complete a regen, or soot load accumulation issues.
INSPECTION STEP(s)
1. Inspect the ITV connector for any issues like backed out pins/corrosion/looseness.
DIAGNOSTIC STEP(s)
1. Hook up ServiceMaxx and run an OBFCT
2. Review the OBFCT and compare to the graph below in Figure #1. As stated in items 1 and 2 of Figure #1 look for a slow to
build temp and a DOC inlet temp that stays too cold. You generally should see DOC IT around 550-700 degrees as shown in
Figure #2.
3. If your OBFCT looks similar to Figure #1and all aftertreatment components are testing good then replace the ETV and retest.
If it does not exhibit a similar failure then refer to the MaxxForce Aftertreatment Manual for further diagnostics of any regen
concerns.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 3/5/2014
IK1201075 20102013 IBB Intake Throttle Valve Causing Regen Issues
Page 2 of 4
Figure #1: OBFCT with a Bad ETV
Item 1: Notice the DOC inlet and outlet temps are cooler than a normal regen should be. DOC inlet should be in the 600-700
degree F range. This is due to the ITV not working properly to produce enough heat in the exhaust system.
Item 2: Notice the length of time it takes for the temps to start rising
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 3/5/2014
IK1201075 20102013 IBB Intake Throttle Valve Causing Regen Issues
Page 3 of 4
Figure #2: Good Regen
Item 1: Notice the temps rise much quicker than the bad regen shows
Item 2: DOC Inlet temp is in a good range
SERVICE PART(s) INFORMATION
Kit Description
Part
Number
Quantity
Required
Intake Throttle
Valve
3007676C91 1
Ordering Instructions
Order from Navistar
, Critical Truck
Down NDA
REPAIR STEP(s)
Replace the ITV and rerun the OBFCT to verify the repair
REMOVAL PROCEDURE
Follow steps per the 2010 IBB service manual
https://evalue.internationaldelivers.com/service/SVCDOCS/Navistar/engine/0000001682.htm
INSTALLATION PROCEDURE
Follow steps per the 2010 IBB service manual
https://evalue.internationaldelivers.com/service/SVCDOCS/Navistar/engine/0000001682.htm
WARRANTY INFORMATION
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 3/5/2014
IK1201075 20102013 IBB Intake Throttle Valve Causing Regen Issues
Page 4 of 4
Warranty Claim Coding:
Group: 12000
Noun: 714
Standard Repair Time(s):
Step
Description
SRT Link
Hours
1
ITV, Diagnostics
R122107L
.7
2
Intake Throttle Valve
(ITV), Replace
A12-5011
.4
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Feedback Information
Viewed:
434
Helpful:
7
Not Helpful: 1
Staff
ID
Client
ID
Comments
Created
Date
You received the following feedback From: dy08955 David Gabrielle Email Address: [email protected] Job Classification: SE008, Service
DY08955 Technician Dealer: TRUCK KING INTL IDEALEAS Feedback: In Figure #1 of your example you show Fuel Delivery Pressure at 47 psi and AFT
Fuel Pressure 1 at 64 psi. Aren't these readings too low? In Figure #2 you don't display what the readings were for normal operation.
2/18/2014
5:37:11 AM
You received the following feedback From: dy08955 David Gabrielle Email Address: [email protected] Job Classification: SE008, Service
DY08955 Technician Dealer: TRUCK KING INTL IDEALEAS Feedback: Does replacement ITV 3007676C91 come with the mounting gasket? If not, it
would be helpful to also list the mounting gasket needed.
2/18/2014
5:39:39 AM
Copyright © 2014 Navistar, Inc.
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlID... 3/5/2014
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TSB/Document ID: IK1201075
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-14
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
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