NHTSA ID Number: 10131072
Manufacturer Communication Number: IK1201065
TSB/Document Date: 2018-04-02
Summary
SPN 724 FMI 20: Oxygen (O2) Sensor diagnostic
IK1201065 - SPN 724 FMI 20: Oxygen (O2) Sensor diagnostic
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Countries:
CANADA, UNITED STATES, PUERTO
RICO
Document ID: IK1201065
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ISIS
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1
Major System:
Current
Language:
ENGINES
Created:
Last
Modified:
1/31/2014
English
Other Languages: NONE
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Author:
2/17/2014
Jeffrey
Ehlers
1063
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Title : SPN 724 FMI 20: Oxygen (O2) Sensor diagnostic
Applies To : 2010 MaxxForce 11L, 13L, 15, 2013 MaxxForce 13L, and 2013 N13, MaxxForce 15L
DESCRIPTION
Diagnostic procedure when SPN 724 FMI 20: O2 adaptation value above maximum is present.
The oxygen (O2) sensor is no longer authorized to be replaced without troubleshooting. The procedure below must be followed if SPN
724 FMI 20 is present.
The oxygen sensor should not be replaced in the event that oil or coolant is found in the exhaust unless the sensor is unable to meet the
requirements in the procedure below.
SYMPTOM(s)
DTC
Description
SPN 724 FMI 20
O2 adaptation above maximum limit
SPECIAL TOOL(s) or SOFTWARE
Tool Description
Tool Number
Electronic Service Tool
Comments
Ez-Tech with ServiceMaxx version 38.1 or newer
Reference IKnow Articles
TL2900082 O2 Oxygen Sensor Calibration Procedure
Diagnostic Procedure
Note: Document any history of previous failure that could have resulted in coolant or oil in exhaust.
Step 1:Check ECM calibration/software
Yes: Go to step 2
Check vehicle calibration scorecard using Service Portal.
Is calibration up to date?
No: Update calibration and go to step
2
Step 2:Check calibration version
Use EST to view ECM calibration/software ID. Identify the the 6th letter of the
calibration/software ID.
Yes: Go to step 3
No: Go to step 6
Example: OEBXARAD
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IK1201065 - SPN 724 FMI 20: Oxygen (O2) Sensor diagnostic
Page 2 of 3
If an 2010+ EGR engine, is the 6th letter a S or after in the alphabet?
If a 2013+ SCR engine, is the 6th letter a D or after in the alphabet?
Step 3:Perform O2 calibration with EST
Using EST, run O2 sensor calibration procedure (TL2900082)
Note: After calibration is complete, document Oxygen Sensor adaptation value, and submit
with warranty claim if applicable.
After the procedure, if an 2010+ EGR engine, is the adaption value > 0.03?
After the procedure, if a 2013+ SCR engine, is the adaption value > 0.045?
Step 4:Replace O2 sensor
Replace O2 sensor then using EST, run O2 sensor calibration procedure.
Yes: Record adaptation value and go
to step 4
No: Clear SPN 724 FMI 20 and
release truck to service
Yes: Verify steps were performed in
proper sequence and completed
correctly. Notify supervisor if fault
remains.
Note: After calibration is complete, document Oxygen Sensor adaptation value, and submit
with warranty claim if applicable.
No: Go to step 5
After the procedure, if an 2010+ EGR engine, is the adaption value > 0.03?
After the procedure, if a 2013+ SCR engine, is the adaption value > 0.045?
Step 5:Program O2 sensor programable parameters
Reset the following parameters to the values indicated below:
99520, 99530, and 99540 need to be set to 0.
- 99550 need to be set to 780 degF
Were the parameters reset and programed successfully?
Step 6:Check O2 sensor adaptation value
Using EST and O2 sensor calibration session (TL2900082), view Lambda sensor adaptation
value.
Note: After calibration is complete, document Oxygen Sensor adaptation value, and submit
with warranty claim if applicable.
If an 2010+ EGR engine, is the adaption value > 0.02?
If a 2013+ SCR engine, is the adaption value > 0.03?
Yes: Clear SPN 724 FMI 20 and
release truck to service
No: Verify steps were performed in
proper sequence and completed
correctly. Notify supervisor if fault
remains.
Yes: Go to step 7
No: Clear fault and release to service
Step 7:Perform O2 calibration with EST
Using EST, run O2 sensor calibration procedure
Yes: Replace O2 sensor and repeat
step 7
Note: After calibration is complete, document Oxygen Sensor adaptation value, and submit
with warranty claim if applicable.
No: Go to step 8
After the procedure, if an 2010+ EGR engine, is the adaption value > 0.02?
After the procedure, if a 2013+ SCR engine, is the adaption value > 0.03?
Step 8:At KOEO, check TC1TOP
Yes: Clear SPN 724 FMI 20 and
release truck to service
Using EST, view TC1TOP
Is TC1TOP greater than -1.45 psi (-10 kPa) but less than 1.45 psi (10 kPa)?
No: Diagnose Biased TC1TOP
sensor / ACV
WARRANTY INFORMATION
Warranty Claim Coding:
Group: 12000
Noun:
647
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IK1201065 - SPN 724 FMI 20: Oxygen (O2) Sensor diagnostic
Page 3 of 3
Standard Repair Time(s):
Description
ECM recalibration
Eninge
All
O2 sensor replacement and
recalibration
2010+ EGR
O2 sensor replacement and
recalibration
2013+ SCR
O2 sensor recalibration
All
Model
All
7600
8600
ProStar
5000
9900i
7600
TranStar
ProStar
5000
CAT CT660
All
SRT Code
A12-3510A-20
N12-8647U
Q12-8647U
R12-8647U
T12-8647U
FA12-8647US
N12-8647US
Q128647US
R12-8647US
T12-8647US
TC12-8647US
Claim "T" time
Hours
0.2
0.9
1.4
0.2
Note: No SRT code available for O2 sensor recalibration at this time. SRT code will be available in March.
Parts Information:
Part #
Description
3006233C1
2010-2012 MaxxForce 11, 13, 15 Oxygen
Sensor
3006233C1
2013+ N13 Oxygen Sensor
3006233C1
2013 MaxxForce 13 Oxygen Sensor
Feedback Information
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Comments
You received the following feedback From: dyyglm2 - Gerry McClellan Email Address: [email protected] Job Classification: AD006, Warranty
DYYGLM2 Manager Dealer: NOERR'S INTERNATIONAL
Feedback: Your documents need formatted for printing, some text is being chopped off the right side. I
did try adjusting my printer settings. PDF's work alot better then html.
Created
Date
2/17/2014
2:08:20 PM
Copyright © 2014 Navistar, Inc.
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TSB/Document ID: IK1201065
Replacement Service Bulletin Number:
MFR Communication Date: 2014-02-17
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MFR Component System:
MFR Component Subsystem:
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