User's Manual

13
22. DIAGNOSTIC TROUBLE CODES (DTCS)
1st
Digit
2nd
Digit
Diagnostic Code
Description
Possible Causes / Repair Information
J1587
(SID/
FMI)
J1939
(SPN/
FMI)
1 1 Nodiagnosticcodes
• TABS‑6 Advanced system fully operational – no diagnostic codes
detected
000/00 000/00
WheelSpeedSensors(WSS);“S-C”&“S-D”
2 1
LargeAirGap:
Sensor“S-C”
DynamicWheelSpeedSensorDTC-largeairgapbetweensensor
and tone ring.
GotoSectionE,DynamicWheelSpeedSensorDTC,onPage31.
001/00 789/00
3 1
LargeAirGap:
Sensor“S-D”
002/00 790/00
2 2
Shorted or open wire:
Sensor“S-C”
StaticWheelSpeedSensorDTC-shortedoropensensorwire.
GotoSectionE,StaticWheelSpeedSensorDTC,onPage31.
001/03
001/04
789/03
789/04
3 2
Shorted or open wire:
Sensor“S-D”
002/03
002/04
790/03
790/04
2 3
DynamicIssue:
Sensor“S-C”
DynamicWheelSpeedSensorDTC-incorrectwheelspeedsignal
detected while vehicle is in motion.
GotoSectionE,DynamicWheelSpeedSensorDTC,onPage31.
001/08
001/01
001/02
789/08
789/01
789/02
3 3
DynamicIssue:
Sensor“S-D”
002/08
002/01
002/02
790/08
790/01
790/02
2 4
TireDiameterOutof
Range:Sensor“S-C”
•Verifycorrecttiresizeandpropertireination.
• Verify correct number of exciter/tone ring teeth.
•VerifythattheTABS-6AdvancedECUhasbeenprogrammedwith
the proper tire size and tone ring settings.
001/13 789/13
3 4
TireDiameterOutof
Range:Sensor“S-D”
002/13 790/13
Trailer Power
6 1 Over-voltage
PowerSupplyDTC-trailerpowerabove32volts.
GotoSectionDonPage30.
251/03 3597/03
6 2 Low-voltage
PowerSupplyDTC-trailerpowerbelow8volts.
GotoSectionDonPage30.
251/04 3597/04
6 3
Excessivepowerline
resistance
PowerSupplyDTC-possiblecorrodedorshortedtrailerpower
circuit.GotoSectionDonPage30.
251/13 3597/13
PressureSensors(Internal):“P4”,“P42”,&“P21”
7 1
Internal Pressure
Sensor Reading
Incorrect:
ControlPort“P4”
•Verifythetrailer’scontrol(service)pressureis<130psi.
• After repairs — or if no issues are found — clear the diagnostic
code.
• If the diagnostic code persists, contact your local Bendix
representative before replacing the Bendix
®
TABS‑6
™
Adv module.
077/12 1067/12
7 2
Internal Pressure
Sensor Reading
Incorrect:
LoadPort“P42”
•Seethesuspensionmanufacturer’sspecicationsforloadversus
pressure.Verifythatthetrailer’sairsuspensionpressureis<130
psiandiswithintheallowablerangeforthespecicsuspension/
airbagcombination.[below50%ofairbagpressureattheunladen
weight,orabove50%ofairbagpressureatGVWRforaxles]
• After repairs — or if no issues are found — clear the diagnostic
code.
•Ifthediagnosticcodepersists,contacttheBCVSlocal
representative before replacing the TABS‑6 Adv module.
069/12 1059/12
7 3
Internal Pressure
Sensor Reading
Incorrect:
DeliveryPort“P21”
•PerformaPressureComponentTestusingtheBendix
®
ACom
®
diagnostic software (version 6.1 or higher).
• Verify the trailer’s control (service) and brake delivery pressures are
comparableand<130psi.
• After repairs — or if no issues are found — clear the diagnostic
code.
• If the diagnostic code persists, contact your local Bendix
representative before replacing the TABS‑6 Adv module.
059/12 1049/12