NHTSA ID Number: 10172045
Manufacturer Communication Number: IK0800080
TSB/Document Date: 2020-03-04
Summary
J1939 Data Link Troubleshooting
14(+) 15(‐)
7305
TCM Grey
29(+) 32(‐)
TCM ‐ Allison LCT Gen 4
7150
7151
Under cab
28(+)
8(‐)
TCM ‐ Allison
1503
In cab
10(+)
9(‐)
Allison MD / HD 3000
7204F
TCM Black
13(+) 29(‐)
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IK0800080 - J1939 Data Link Troubleshooting
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Allison MD / HD 3000 Gen 4
7151
28(+)
8(‐)
Allison TC10 Shift Selector
Allison WTEC Shift Selector
1852
8(+)
15(‐)
ESC ‐ Electrical System
Controller
1600
In cab ‐ Left kick
panel
34(+) 35(‐)
BC ‐ Body Controller
1602 (J5)
In cab ‐ Left kick
panel
F3(+) F2(‐)
EGC ‐ Electronic Gauge Cluster
1500
Left side of dash
4(+)
EGC ‐ Electronic Gauge Cluster
1501
Left side of dash
12(+) 11(‐)
Compass Module
1912
Behind fuse
panel (HPV)
Center of headliner
(5000/9000)
2(+)
3(‐)
SART Module
1610
In dash ‐ behind EGC
C(+)
D(‐)
SIC (Secondary Instrument
Cluster)
1502
Center dash
7(+)
4(‐)
5(‐)
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Optional Gauge Pack
1510
AGSP (Aux Gauge Switch Pack)
1512
Right side dash
11(+) 10(‐)
TPMS (Tire pressure monitor
system)
8993F
Near radiator
crossmember
12(+) 11(‐)
Eaton
Autoshift / Ultrashift
DM2
7905
At Gear Shift Selector G2(+) G3(‐)
Eaton Autoshift / Ultrashift
DM3
7105
7909
7910
TCM
Eaton Vorad
1227
Eaton Vorad VS‐400
8901
PAM Pyro ‐ AMP Meter Module 4087
11(+) 10(‐)
3(+)
2(‐)
D7(+) D8(‐)
Center of bumper
support bracket
4(+)
5(‐)
Cowl
7(+)
8(‐)
6000
6014
Engine ECM
46(+) 47(‐)
CAT Engine ECM
6013
Engine ECM
50(+) 34(‐)
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IK0800080 - J1939 Data Link Troubleshooting
7103
TCM
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A(+)
B(‐)
( Back to Top )
Service Information (Known Issues) ‐ Potential failure location based on case file information
• 05/12/2016 ‐ The EZ‐Tech Launcher can slow down data link traffic causing fault codes to set when no issue is present.
• Typically these faults are INACTIVE, and have very low counts when they are caused by the service tool.
• Do not diagnose these Inactive faults without a driver complaint.
◦ Possible DTCs
SPN
FMI
Module
Description
2000
9
Body Controller
Cluster
ECM Data Link Comm. Failure
Loss of data link from the Engine Controller
2003
9
Body Controller
Cluster
TCM Data Link Comm. Failure
Loss of data link from the Transmission Controller
2011
9
Body Controller
Cluster
ABS Data Link Comm. Failure
Loss of data link from ABS Controller
2000
19
Body Controller
PTC1 (PGN 64892) not received from Engine
2023
9
Body Controller
EGC Data Link Comm. Failure
639
2
Brakes, System Controller
Loss of data link from Engine Controller
639
14
Brakes, System Controller
Loss of data link from Engine Controller
SID 231
2
Brakes, Power Unit
SAE J1939 Data Link
SID 231
14
Brakes, Power Unit
SAE J1939 Data Link
NOTE: For a screen shot of this occurring on the Launcher Screen CLICK HERE
• 6/9/2014 ‐ Recent information from the field has shown a potential failure location
• A poor connection on the splice the ties the ABS module into the Back‐bone of the data link was found on multiple units
◦ This splice is in the cab, and the harness is common between multiple chassis and engine platforms
◦ At this time (6/9/2014) the earliest build date affected is 09/23/2013
◦ Anything built after this date is suspect for splice issues
◦ Possible DTCs
SPN
FMI
Module
Description
639
9
ECM
Drivetrain Message Timeout
639
9
Body Controller
J1939 Drivetrain Data Link Lost
2011
9
Body Controller
ABS Data Link Comm. Failure
2000
9
Body Controller
ECM Data Link Comm. Failure
2023
9
Body Controller
EGC Data Link Comm. Failure
2003
9
Body Controller
TCM Data Link Comm. Failure
2000
19
Body Controller
PTC1 (PGN 64892) not received from Engine
2000
9
Loss of Data Link from Engine Controller
2011
9
Loss of Data Link from ABS Controller
2003
9
Loss of Data Link from the Transmission Controller
2033
9
Loss of Data Link from the ESC
• If you have these faults and the vehicle build date is near August 2013 or Newer you will need to troubleshoot this splice in the data link if no obvious
failures are found
• Follow the harness from the ABS module to the Data Link Backbone. Once you locate the splice, wiggle test that connection (also twist the spice in your
fingers) while monitoring the data link resistance. (If a resistance check does not show any fault, repeat this test monitoring data link voltage as well)
• Cab temperature was affecting the data link behavior in one of the vehicles found to have this issue
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• Inspecting the splice is destructive, you will need to remove the splice section use a closed barrel butt connector to crimp, solder and heat shrink the
splice location. Use proper wire repair techniques as outlined in IK0800269 ‐ Proper Wire Repair
Crimp location: Right side of cab above the ABS module, next to the HVAC box. The condensation module (if installed) will be zip tied to or near the splice.
Close view of crimp location
Harness removed from truck for identification
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Wire condition at crimp to ABS module
Wire condition at crimp to ABS module (2nd photo)
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IK0800080 - J1939 Data Link Troubleshooting
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( Back to Top )
Examples of Modules for 250k Baud
• The 250k Baud Drivetrain data link is a Public data link which consists of any module that is present on the data link when you plug into
the ATA diagnostic connector.
• Examples:
ECM
Body Controller
TCM
Collision Avoidance System (Wingman, OnGuard)
The MaxxForce 7 TMV (Thermal Management Valve) is on the Public data link. This module will not show up on the sniffer.
The ECM Engine and Chassis connector's data link terminals are connected internally to the module.
E13 and C53 are internally connected. E14 and C54 are internally connected.
• The Body Builder data link is a Private data link which consists of modules communicating to each other. You cannot use a diagnostic
tool to communicate with this private data link.
• Examples:
Body Controller (This module is on the public and private data link
independently)
Sleeper HVAC (Standard and No‐Idle systems)
RPM (Remote Power Module)
• The Engine data link is a Private data link which consists of engine related modules communicating to each other. You cannot use a
diagnostic tool to communicate with this private data link.
• Examples:
EPA07 MaxxForce 11 / 13
EPA10 N13 SCR
ECM
ECM
EIM
ACM
VGT
ACM
AFT Modules / Sensors
AFT Modules / Sensors
( Back to Top )
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500k Baud Vehicle Architecture ‐ Phase 1
This can be properly identified by looking in the components tab of the vehicle and looking for a GREEN 9‐Pin connector and feature:
0508095 ‐ ELECTRICAL SYSTEM ENHANCED VCM FUNCTIONS for VCM Enhanced Functions
For troubleshooting information refer to the appropriate troubleshooting manual found in Master Service Information.
500k Phase 1 Vehicle Data Link Topology
( Back to Top )
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500k Baud Vehicle Architecture ‐ Phase 2
This can be properly identified by looking in the components tab of the vehicle and looking for a GREEN 9‐Pin connector and feature:
0508097 ‐ ELEC SYS MUX COMMON ARCHITECTURE for Electrical Common Architecture System
For troubleshooting information refer to the appropriate troubleshooting manual found in Master Service Information.
• This feature and vehicle architecture launched with the LT Model
500k Phase 2 Vehicle Data Link Topology
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IK0800080 - J1939 Data Link Troubleshooting
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TSB/Document ID: IK0800080
Replacement Service Bulletin Number:
MFR Communication Date: 2020-02-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
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