NHTSA ID Number: 10115401
Manufacturer Communication Number: IK0800427
TSB/Document Date: 2017-08-16
Summary
Active Faults During Load Shed
IK0800427 Active Faults During Load Shed
Page 1 of 4
Countries:
BAHAMAS, BOLIVIA,
BELIZE, CHILE, TAIWAN,
COLOMBIA, COSTA
RICA, DOMINICAN
REPUBLIC, ECUADOR,
EL SALVADOR,
TRINIDAD AND
TOBAGO, UNITED
Document
STATES, URUGUAY,
IK0800427
ID:
VENEZUELA, ARUBA,
NICARAGUA, PERU,
PUERTO RICO, Curaçao,
GUAM, GUATEMALA,
GUYANA, HAITI,
HONDURAS, JAMAICA,
KOREA, SOUTH KOREA,
PANAMA
Availability: ISIS, FleetISIS
Revision: 4
Major
System:
ELECTRICAL SYSTEM
Created:
Current
Language:
English
Last
12/9/2015
Modified:
Other
NONE
Languages:
Viewed:
6/10/2013
Charles
Schroeder
Author:
6996
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Title : Active Faults During Load Shed
Applies To : ProStar and LoneStar
Change Log
Please refer to the change log text box below for recent changes to this article:
12/09/2015 ‐ Added notes to clarify if the fault is present and the truck is not in load shed the
complaint will need to be diagnosed.
09/11/2015 ‐ Added TCM fault code to the list based on dealer feedback.
12/15/2014 ‐ Updated fault code information. Added change log.
Description
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IK0800427 Active Faults During Load Shed
Page 2 of 4
Load shedding can cause fault codes to be logged in other modules. The faults will be active
during load shedding.
The switch packs in the center panel are on a load shed circuit. When the unit goes into load
shed, the switches do not have power to them. When the key is turned on, faults may be set
by modules looking for communication from any of the switches.
The Adaptive Cruise forward facing radar is also on a load shed circuit, so a fault may be set
for that module as well.
NOTE:
Components may be in the off state due to load shedding. Always verify the truck is NOT
in load shedding prior to diagnosing electrical issues.
Possible Fault Codes
Module
SPN
FMI
Description
1590
19
Adaptive Cruise Control not detected on J1939
3695
19
DPF Regen Inhibit Switch status not detected on J1939
3696
19
DPF Park Regen Switch status not detected on J1939
ABS
231
2
HSA (Hill Start Aid) Switch error or unavailable
563
9 / 14 ABS CAN Message
Body Controller
3314
2
Fifth Wheel Jaw Unlock Switch state is invalid
Body Controller
2362
5
Work Light Undercurrent
Body Controller
3979
5
Floor Lights Relay Under Current or Open Circuit
Body Controller
520461 9
Switch 6‐Pack #1 Data Link Comm. Failure
Body Controller
520462 9
Switch 6‐Pack #2 Data Link Comm. Failure
Body Controller
520463 9
Switch 6‐Pack #3 Data Link Comm. Failure
Body Controller
2058
Rear HVAC Data Link Comm. Failure
14
Troubleshooting
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IK0800427 Active Faults During Load Shed
Page 3 of 4
See if the unit is in load shedding. The standard load shed voltage is 12.1 vdc. If the voltage
on the J6 (Gen II BCM) or J8 (Gen 4 BMC) power stud of the Body Controller is 12.1 vdc or
less, there is a good possibility the truck is in load shedding. If you find the unit is in load
shedding, no troubleshooting needs to be performed for these faults.
You can also make a session in DLB from the electrical load control feature that is installed
on the truck. For assistance troubleshooting with DLB follow IK2600008 ‐ How to Diagnose
Electrical Problems with Diamond Logic® Builder .
Examples of possible Load Shed features in DLB:
0595ACL
BC Prog, Electrical Load Control
0595BRM
BC Prog, Electrical Load Control
0595BMY
BC Prog, Electrical Load Control
NOTE:
If a fault is present and you have verified the truck is not in load shedding, you will need
to use the appropriate diangostic manual and wiring schematic to troubleshoot the
complaint.
Other Resources
• Master Service Information
• ProStar®+ and LoneStar® (EPA 10) ‐ Electrical Circuit Diagrams Manual – Models Built
June 14, 2010 and After, Revision 4 (Supersedes S08344 and S08371)
• Electrical Circuit Diagrams ‐ LoneStar® and ProStar® Chassis Built January, 2007 and
After
• IK08000085 ‐ ProStar® Electrical Load Shed Feature 08XEV
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IK0800427 Active Faults During Load Shed
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Copyright © 2016 Navistar
, Inc.
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TSB/Document ID: IK0800427
Replacement Service Bulletin Number:
MFR Communication Date: 2015-12-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
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