NHTSA ID Number: 10252340
Manufacturer Communication Number: SS3142-FTL
TSB/Document Date: 2024-04-02
Summary
Service Solution for J1939 CAN issues for vehicles equipped with Bendix
Side Radar with expanded field of view
DTNA Solutions Service Solutions Freightliner
SS 3142-FTL J1939 CAN issues for vehicles equipped...
SS 3142-FTL J1939 CAN issues for vehicles equipped
w/ Bendix Side Radar w/ expanded field of view
Applicable Vehicles
This solution targets New Cascadia vehicles built from 9/9/2019 with Cummins engine, automated
or Allison transmissions, Bendix side radar connected to the J1939 500K back bone and customer
access RP1226 connections (typically found in module 6TS or 786).
c
Symptoms
Symptoms related to communication errors may include various vehicle network communication
issues including the following.
Engine starting issues
Issues with ICUC display the transmission position
Possibility of the transmission being stuck in a particular gear.
Issue
Certain vehicles equipped with Bendix Side Radar revision 2 may have a J1939 communication
issue.c The two attached documents willc help you determine if your vehicle is subject to this
communication issue along with providing a containment (if needed) that will temporarily scale
back side radar functionality, while maintainingc a downgraded level of function, for continued
driver assistance purposes.c Providing the containment, optimizes the J1939 communications. c
At all times, the driver is required to maintain safe vehicle control, observe roadway conditions and
postings, supervise the vehicle and assistance systems, and respond to surroundings.
Adding third party J1939 devices such as telematics to the J1939 500K backbone, can produce
communication errors, which result in J1939 faults, and the symptoms listed above. cc
c
Solution
This service solution is intended to provide guidance, when encountering J1939 500K
communication errors, associated with the applicable vehicles.ccc Two documents are attached to
this solution.c The document labeled “J1939 500K Problem Identification” should be used when
determining what type of J1939 issue is being encountered.cc The second document labeled
"Procedure for Unplugging the Bendix Side Radar as Containment"cis intended to provide a possible
containment, if determined that error frames are associated with the J1939 backbone.c In some
cases, customer may add more options than what the J1939 backbone can properly support.c A
long-term process is in place to provide a Service Bulletin containing J1939 overlay harness that
resolves the communication issue and provides the larger side monitoring range for the Bendix
side radar, while supporting third-party telematics. ccThis Solution will be updated with the Service
Bulletin once the bulletin is released.
Labels :
Electrical
New Cascadia
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Comment
J1939500KProblemIdentification
GeneralInformation:
ThisdocumentwascreatedtohelpidentifyissuesrelatedtotheJ1939500KforNewCascadia
vehicleswithCumminsengine,EatonautomatedorAllisontransmission,withBendixside
radar.TheaddingofthirdpartyJ1939devicessuchastelematicscanproduceerrorframes,
whichresultinJ1939faults.
Symptoms:
Anyorallofthefollowingsymptomsmaybepresent.
x EnginewillnotStart.
x TheICUCdisplaywillcyclecurrentgearfromFtoN.
x Transmissiondoesnotshiftandisstuckincurrentgear.
ProcedureforidentifyingJ1939backbonesignalproblems:
1. WhatisthePowertrain?
a. CumminsDiesel(gotostep2)
b. CumminsNaturalGas(unlikelyrelatedtoSS3142ͲFTL)
2. Whattransmissiondoesthisvehiclehave:
a. EatonAMT[Endurant,Ultrashift](Gotostep3)
b. Allison(Gotostep3)
c. Manual(unlikelyrelatedtoSS3142ͲFTL)
3. DoesthisunithaveBendixSideRadar?
a. Yes(Gotostep4)
b. No(unlikelyrelatedtoSS3142ͲFTL)
4. DoesthisunithaveanythirdͲpartytelematicsconnectedtotheJ1939?
a. Yes(Gotostep5)
b.
No(unlikelyrelatedtoSS3142ͲFTL)
5. MeasuretheresistanceonpinsCandDofthediagnosticconnector.(KeyOff)
a. 120ohms+Ͳ5ohms(missingaresistor)
i. Installmissingresistor.
ii. Ifsymptomspersistgotostep6
b. 60ohms+Ͳ5ohms(gotostep6)
c. 40ohms+Ͳ5ohms(extraresistor)
i. Removeextraresistorandgotostep6.
d. 30ohms+Ͳ5ohms(2extraresistors)
i. Remove2extraresistorsandgotostep6.
e. 0ohms
i. Wiresareshortedtogetherfollowpropertroubleshooting.
f. OpenCircuit
i. RepairJ1939wiringormissingterminatingresistorsasneeded.
ii. Gotostep6
6. ConnectDiagnosticLinktotheunit.
7. TurntheKeyon
8. Arethefollowingfaultcodesactiveorbecomeactivewhilemonitoring?
SA
SPN FMI
Description
37
523615 31 Received network data in error - XBR
(CGW)
37
523515 31 CGW has detected an issue with the J1939 CAN, offline or performance.
(CGW)
3
639
9
J1939 Network #1, Primary Vehicle Network (previously SAE J1939 Data
(TCM)
Link) - Abnormal update rate
3
751
9
Transmission Primary Shift Selector - Abnormal update rate
(TCM)
a. Yes(gotostep9)
b. No(unlikelyrelatedtoSS3142ͲFTL)
9. Unplugthe2pinJ1939connectorfromtheBendixsideradar.Dothefaultcodesbecome
inactive?
a. Yes(InͲActive)(gotostep10)
b. No(Active)(gotostep13)
10. Reconnectthesideradar2pinJ1939Connector(Gotostep11)
11. UnpluganyThirdͲPartyDevicesonJ1939.(Gotostep12)
12. Arethefaultcodeslistedinstep8active?
a. No(InͲActive):StopHere.ContainmentprocedureprovidedinSS3142ͲFTLshouldbe
applied.InvestigateThirdͲPartyDeviceIntegrationmakingsurethattheconnectionto
thethirdͲpartytelematicsiscorrect.StubshaftconnectiontothethirdͲpartytelematics
shouldnotexceed1.67metersor5.48feetintotallength,includingbothDTNAaccess
wiringalongwiththethirdͲpartytelematics.
b. Yes(Active):StopHere.ContainmentprocedureprovidedinSS3142ͲFTLshouldbe
applied.
13. DisconnectanyJ1939thirdͲpartydevices,gotostep14
14. Dothefaultcodeslistedinstep8becomeinactive?
a. Yes(InͲActive):StopHere.ProblemisunlikelyrelatedtoSS3142ͲFTL.Investigatethird
partydeviceanddeviceintegration.
b. No(Active):StopHere.ProblemisunlikelyrelatedtoSS3142ͲFTL.ThereisanactualECU
devicefailing.Pleasefollowtheappropriatetroubleshootingfortheremainingfault
codes.
ProcedureforUnpluggingtheBendixSideRadarasContainment
GeneralInformation:
TheBendixSideradarrevision2usesJ1939tomonitorvehiclespeed.Thecontainmentwould
includeunpluggingonlythe2ͲpinJ1939connectiontothesideradar.UnpluggingoftheJ1939
allowstheBendixsideradartofunctionliketheearlierversion.Theonlyfunctiondifference
withtheJ1939unpluggedrelatestovehiclespeed.WiththeJ1939unplugged,vehiclespeed
above20MPH,willnotexpandthedetectionzonetoupto40feet,butrathermaintainthe
roughly12ͲfootdetectionzoneaspicturedintheFigure1below.
Figure1
ProcedureforunpluggingtheJ1939twopinconnectionatthesideradar:
1. Therewillbea6Ͳpinconnectionand2ͲpinconnectionattheBendixsideradar.Only
unplugthe2ͲpinJ1939connectorgoingtothesideradar.
2. Toeliminateanychanceofcontaminationfromenteringboththeplugandreceptacle
endsoftheJ1939connections,connectorswithsealplugswillneedtobeaddedtoeach
end.Usethefollowingpartstosealbothendsoftheconnector.
Parts:
TosealthechassisharnessendoftheJ1939connectoruseaquantityof1P/NDUFDT042P
connectorwithaquantityoftwocavityplugsP/N23Ͳ13218Ͳ204.
TosealtheBendixsideradarendoftheJ1939connector,useaquantityof1P/NDUFDT062S
connectorwithaquantityoftwocavityplugsP/N23Ͳ13218Ͳ204.
ObtainingRequiredNoticeStickerFordash:
Afterperformingthecontainment,anoticestickerneedstobeplacedinthedash.
ToobtainthestickerusethefollowinglinktonavigatetoDTNAPublications.
LINK:DTNAPublications(dtnadocumentservices.com)
SelectWarrantyontheleftsideofthepagetoaccesstheNoticesticker(Figure2).
Figure2
UndertheWarrantysection,selectthenoticestickerSS3142ͲFTLtoplaceorder
(Figure3).
Figure3
StickerPlacementforcontainment:
Thenoticemessageneedstobeattachedtothedash.SeeFigure4belowforthecorrect
mountinglocationofthestickerP/N24Ͳ02145Ͳ000.Priortoinstallingthesticker,cleansurface
withmildsoap&waterandcompletelydrythemountingarea.
Figure4
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TSB/Document ID: SS3142-FTL
Replacement Service Bulletin Number:
MFR Communication Date: 2024-03-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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