2.1 J1939 Diagnostic Message Types J1939 provides 19 different diagnostic messages that can be used to monitor, test, and clear Always refer to engine service manual for the latest information related to engine diagnostics and troubleshooting. J1939 The J1939 fault code error message consists of a Source Address (SA) identifying the Electronic Control Unit (ECU) sending the DTC (SA0 = Engine Controller #1), a Suspect Parameter Number (SPN) which identifies the parameter sending the fault code error message, and a Failure Mode Identifier (FMI) which identifies the type of fault detected. In this combination of systems, J1708 defined the physical layer of the system, while J1587 . The ECM detects an open or short circuit condition in the J1939 data link harness. The Cummins INLINE 7 adapter needs to be connected at the 3-pin service connector in order to successfully trace the malfunctions. Ensure the following are done prior 150 0 obj
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efficiently and get the end user to the root cause of the data link issue. Cummins is one of them. Revision 1.00 . Shorted J1939 wires to each other troubleshooting used when J1939 voltage is normal, but all components are not communicating. c{W Ensure the key switch is in the OFF position. The Engine Control Module (ECM) detected an open or short circuit condition in the J1939 data link harness. Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines See also: Cummins Engine non-EGR Fault Codes To determine the malfunction, you just need to write out the fault codefrom the device in the cab and find the codes in the table by selecting your own engine type. hbbd``b`$C "*AD') n Location: Auburn, CA, Havasu, AZ & Mulege, BCS. What Is The Diagnostic Code SPN 4357 FMI 5? The multiplexed device will not operate. Cummins uses the J1939 system. MID- is also a Source Address and depending on the number following it can lead to the computer triggering the code, PSID- Proprietary Parameter Identification, PPID- Proprietary Subsystem Identification. The J1939-13 standard specifies the 'off-board diagnostic connector' - also known as the J1939 connector or 9-pin deutsch connector. J1939, J1587, & J1708- This is the system under which most fault codes operate. Shorted to voltage troubleshooting used when J1939 voltage is greater than 11 volts and is causing the entire data link Sometimes it is just better to buy an old clunker to save a lot of money or buy the extended warranties to protect yourselves. h[o07u\*$. Represents the SPN with error. Reduced troubleshooting time significantly (no need to inspect entire harness as current troubleshooting directs), Isolate between device vs wiring harness malfunctions as well as devices power supply vs J1939 supply faster than current Before I get into actual troubleshooting you will need to understand how to calculate the resistance in the J1939 harness. endstream
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currently, collect the average values of the J1939 voltage and busload located in the J1939 Data Link Diagnostic Tool Component Commercial trucks started implementing electronic systems in the late 1980s to facilitate information sharing and diagnostic data extraction. If three (3) or more of the fault codes listed below are active, continue to the repair procedure. In these cases, all OEM companies use the SAE documents that spell out the codes for SID and PID so there is no confusion. Here is the simplest formula and you will need a calculator. Note: Fault Code 36 indicates an issue with communication over the J1939 data link between the Engine ECU and the Transmission TECU. OBD Diagnostics. *nDi`%'lp38,*B1#Xba| Possible causes of this fault include: Electrical problems with the SAE J1939 data link wiring such as grounded, shorted, or open circuits FAULT CODE 426 SAE J1939 Data Link Communication CODE REASON EFFECT Fault Code: 426 PID: S231 SPN: 639 FMI: 2/2 LAMP: None SRT: This just tells you what is wrong with the component that is not working right. (Cummins, Freightliner, Detroit), Complete Cummins Fault Codes List (Cummins SPN Codes PDF), Cat C12 Oil Capacity, Type, and Change Interval (Guide), Engine Control Module Critical Internal Failure - Bad intelligent device or component, Engine Magnetic Speed/Position Lost Both of TwoSignals - Data erratic, intermittent or incorrect, Intake Manifold 1 Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Intake Manifold 1 Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Intake Manifold 1 Pressure - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Intake Manifold 1 Pressure - Data Valid But BelowNormal Operating Range - Moderately Severe Level, Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage above normal, or shorted to high source, Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage below normal, or shorted to low source, Remote Accelerator Pedal or Lever Position Sensor1 Circuit - Voltage above normal, or shorted to high source, Remote Accelerator Pedal or Lever Position Sensor1 Circuit - Voltage below normal, or shorted to low source, Engine Oil Rifle Pressure 1 Sensor Circuit - Voltage abovenormal, or shorted to high source, Engine Oil Rifle Pressure 1 Sensor Circuit - Voltage belownormal, or shorted to low source, Engine Oil Rifle Pressure - Data Valid But BelowNormal Operating Range - Moderately Severe Level, Engine Coolant Temperature 1 Sensor Circuit - Voltage above normal, or shorted to high source, Engine Coolant Temperature 1 Sensor Circuit - Voltage below normal, or shorted to low source, Engine Coolant Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency - Data valid but below normal operating Range, Accelerator Pedal or Lever Position Sensor 1 - Data valid but above normal operational range - Most Severe Level, Engine Coolant Temperature - Data valid but above normaloperational range - Most Severe Level, Intake Manifold 1 Temperature Sensor Circuit - Voltage above normal, or shorted to high source, Intake Manifold 1 Temperature Sensor Circuit - Voltage below normal, or shorted to low source, Intake Manifold 1 Temperature - Data valid but above normal operational range - Most Severe Level, Sensor Supply 2 Circuit - Voltage below normal, or shorted to low source, Cruise Control (Resistive) Signal Circuit - Voltage above normal, or shorted to high source, Cruise Control (Resistive) Signal Circuit - Voltage below normal, or shorted to low source, Coolant Level Sensor 1 Circuit - Voltage above normal, orshorted to high source, Coolant Level Sensor 1 Circuit - Voltage below normal, orshorted to low source, Coolant Level - Data Valid But Below NormalOperating Range - Moderately Severe Level, Engine Oil Temperature Sensor 1 Circuit - Voltage abovenormal, or shorted to high source, Engine Oil Temperature Sensor 1 Circuit - Voltage belownormal, or shorted to low source, Engine Oil Temperature - Data valid but above normaloperational range - Most Severe Level, Barometric Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Barometric Pressure Sensor Circuit - Voltage above normal, or shorted to low source, Sensor Supply 2 Circuit - Voltage above normal, or shorted to high source, Coolant Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Coolant Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Coolant Pressure - Data Valid But Below NormalOperating Range - Moderately Severe Level, Engine Crankshaft Speed/Position - Data valid but abovenormal operational range - Most Severe Level, Coolant Level - Data valid but below normal operational range - Most Severe Level, External Speed Command Input (Multiple Unit Synchronization) - Data erratic, intermittent or incorrect, Sensor Supply 3 Circuit - Voltage below normal, or shorted to low source, Sensor Supply 3 Circuit - Voltage above normal, or shorted to high source, Wheel-Based Vehicle Speed - Data erratic, intermittent orincorrect, Wheel-Based Vehicle Speed Sensor Circuit tampering has been detected - Abnormal rate of change, Fan Control Circuit - Voltage below normal, or shorted to low source, Ambient Air Temperature Sensor 1 Circuit - Voltage above normal, or shorted to high source, Engine Oil Level - Data valid but below normal operational range - Most Severe Level, Ambient Air Temperature Sensor 1 Circuit - Voltage below normal, or shorted to low source, Engine Fuel Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Engine Fuel Temperature Sensor 1 Circuit - Voltage abovenormal, or shorted to high source, Engine Fuel Temperature Sensor 1 Circuit - Voltage belownormal, or shorted to low source, Engine Fuel Temperature - Data valid but above normaloperational range - Most Severe Level, Antitheft Password Valid Indicator - Data erratic, intermittent or incorrect, Engine Fuel Pump Pressurizing Assembly #1, Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage below normal, or shorted to low source, Engine Fuel Pump Pressurizing Assembly #2, Engine Fuel Pump Pressurizing Assembly 1 Circuit - Voltage above normal, or shorted to high source, Engine Fuel Pump Pressurizing Assembly #3, Engine Fuel Pump Pressurizing Assembly 1 - Mechanicalsystem not responding or out of adjustment, J1939 Network #1, Primary VehicleNetwork (previouslySAE J1939 Data Link), SAE J1939 Multiplexing PGN Timeout Error - Abnormal update rate, J1939 Network #1, Primary Vehicle Network (previouslySAE J1939 Data Link), SAE J1939 Multiplexing Configuration Error - Out ofCalibration, SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System - Received Network Data In Error, Proprietary Datalink Error (OEM/Vehicle Datalink) - Abnormal update rate, Auxiliary Temperature Sensor Input 1 - SpecialInstructions, Auxiliary Temperature Sensor Input 1 Circuit - Voltage above normal, or shorted to high source, Auxiliary Temperature Sensor Input 1 Circuit - Voltage below normal, or shorted to low source, Barometric Pressure - Data erratic, intermittent or incorrect, Auxiliary Pressure Sensor Input 2 - SpecialInstructions, Auxiliary Pressure Sensor Input 2 Circuit - Voltage abovenormal, or shorted to high source, Auxiliary Pressure Sensor Input 2 Circuit - Voltage belownormal, or shorted to low source, Real Time Clock - Data erratic, intermittent or incorrect, Injector Solenoid Driver Cylinder 1 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 5 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 3 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 6 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 2 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 4 Circuit - Current below normal or open circuit, Engine Coolant Temperature - Data erratic, intermittent orincorrect, Idle Shutdown Vehicle Accessories Relay Driver Circuit, Idle Shutdown Vehicle Accessories Relay Driver Circuit -Voltage above normal, or shorted to high source, Idle Shutdown Vehicle Accessories Relay Driver Circuit -Voltage below normal, or shorted to low source, Engine Control Module Warning Internal HardwareFailure - Bad intelligent device or component, Transmission Output Shaft Speed - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Injector Power Supply - Bad intelligent device or component, Sensor Supply 1 Circuit - Voltage below normal, or shorted to low source, Sensor Supply 1 Circuit - Voltage above normal, or shorted to high source, Engine Oil Rifle Pressure - Data valid but below normaloperational range - Most Severe Level, Water in Fuel Indicator - Data Valid But AboveNormal Operating Range - Least Severe Level, Engine Oil Temperature - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Coolant Level - Data erratic, intermittent or incorrect, Engine Oil Temperature - Data erratic, intermittent or incorrect, J1939 Network #1 - Data erratic, intermittent or incorrect, SAE J1939 Datalink - Abnormal update rate, Water in Fuel Indicator Sensor Circuit - Voltage above normal, or shorted to high source, Water in Fuel Indicator Sensor Circuit - Voltage below normal, or shorted to low source, Accelerator Pedal or Lever Idle Validation Switch - Data erratic, intermittent or incorrect, Accelerator Pedal or Lever Idle Validation SwitchCircuit - Out of Calibration, Engine Oil Rifle Pressure - Data erratic, intermittent or incorrect, Intake Manifold 1 Temperature - Data erratic, intermittent or incorrect, Battery 1 Voltage - Data Valid But Below NormalOperating Range - Moderately Severe Level, Battery 1 Voltage - Data Valid But Above NormalOperating Range - Moderately Severe Level, Injector Metering Rail 1 Pressure - Data valid but above normal operational range - Most Severe Level, Injector Metering Rail 1 Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Injector Metering Rail 1 Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Engine Oil Level - Data Valid But Below NormalOperating Range - Least Severe Level, Injector Metering Rail 2 Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Injector Metering Rail 2 Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Start Enable Device 1 Canister Empty (Ether Injection) - Data Valid But Below Normal Operating Range, Intake Manifold 1 Temperature - Data Valid But Above Normal Operating Range - Moderately Severe Level, Transmission Output Shaft Speed - Data Valid But BelowNormal Operating Range - Moderately Severe Level, Multiple Unit Synchronization Switch - Data erratic, intermittent or incorrect, Sensor Supply 6 Circuit - Voltage above normal, or shorted to high source, Sensor Supply 6 Circuit - Voltage below normal, or shorted to low source, Auxiliary Intermediate (PTO) Speed Switch Validation- Data erratic, intermittent or incorrect, Auxiliary Input/Output 2 Circuit - Voltage above normal, or shorted to high source, Auxiliary Alternate Torque Validation Switch - Data erratic, intermittent or incorrect, Auxiliary Input/Output 3 Circuit - Voltage above normal, or shorted to high source, Engine Fuel Temperature - Data erratic, intermittent or incorrect, Fuel Delivery Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Fuel Delivery Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Injector Metering Rail 1 Pressure - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Injector Metering Rail 1 Pressure - Data erratic, intermittent or incorrect, Crankcase Pressure - Data Valid But Above NormalOperating Range - Moderately Severe Level, Crankcase Pressure - Data valid but above normal operational range - Most Severe Level, Injector Metering Rail 1 Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level, Starter Relay Driver Circuit - Voltage above normal, or shorted to high source, Starter Relay Driver Circuit - Voltage below normal, or shorted to low source, Turbocharger 1 Speed - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Auxiliary Commanded Dual Output Shutdown - SpecialInstructions, Engine Turbocharger 1 Compressor Intake Pressure, Turbocharger 1 Compressor Intake Pressure - Data Valid But Below Normal Operating Range - Moderately, Engine Oil Change Interval - Condition Exists, Turbocharger 1 Speed - Data erratic, intermittent or incorrect, Turbocharger 1 Speed - Data Valid But BelowNormal Operating Range - Moderately Severe Level, Engine Oil Level - Data valid but above normal operational range - Most Severe Level, Engine Crankshaft Speed/Position - Data erratic, intermittent or incorrect, Engine Turbocharger 1 Compressor Intake Temperature, Turbocharger 1 Compressor Intake Temperature Circuit -Voltage above normal, or shorted to high source, Turbocharger 1 Compressor Intake Temperature Circuit -Voltage below normal, or shorted to low source, Turbocharger 1 Compressor Intake Temperature - Data erratic, intermittent or incorrect, Engine ECU Temperature Sensor Circuit - Voltage abovenormal, or shorted to high source, Engine ECU Temperature Sensor Circuit - Voltage belownormal, or shorted to low source, Engine ECU Temperature - Data erratic, intermittent or incorrect, Engine Speed / Position Camshaft and Crankshaft Misalignment - Mechanical system not responding or out of adjustment, Turbocharger 1 Compressor Intake Pressure Circuit - Voltage above normal, or shorted to high source, Turbocharger 1 Compressor Intake Pressure Circuit - Voltage below normal, or shorted to low source, Turbocharger 1 Compressor Intake Pressure - Data erratic, intermittent or incorrect, Injector Metering Rail 1 Pressure - Mechanical system not responding or out of adjustment, Brake Switch Circuit - Voltage above normal, or shorted to high source, Brake Switch Circuit - Voltage below normal, or shorted to low source, Engine Camshaft Speed / Position Sensor - Data erratic,intermittent or incorrect, Adaptive Cruise Control Mode - Data erratic, intermittent or incorrect, Power Supply Lost With Ignition On - Data erratic, intermittent or incorrect, Injector Solenoid Driver Cylinder 1 - Mechanical system not responding or out of adjustment, Injector Solenoid Driver Cylinder 2 - Mechanical system not responding or out of adjustment, Injector Solenoid Driver Cylinder 3 - Mechanical system not responding or out of adjustment, Injector Solenoid Driver Cylinder 4 - Mechanical system not responding or out of adjustment, Injector Solenoid Driver Cylinder 5 - Mechanical system not responding or out of adjustment, Injector Solenoid Driver Cylinder 6 - Mechanical system not responding or out of adjustment, Engine Exhaust Gas Recirculation 1 Valve Position, EGR Valve Position - Data erratic, intermittent or incorrect, Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage above normal, or shorted to high source, Accelerator Pedal or Lever Position Sensor 2 Circuit - Voltage below normal, or shorted to low source, Accelerator Pedal or Lever Position Sensor 1 - Data erratic, intermittent or incorrect, Control Module Identification Input State Error - Data erratic, intermittent or incorrect, Overspeed Shutdown Relay Driver Diagnostic has detected an error - Condition Exists, Low Oil Pressure (LOP) Shutdown Relay DriverDiagnostic has detected an error - Condition Exists, High Engine Temperature Shutdown Relay Driver, High Engine Temperature (HET) Shutdown Relay Driver Diagnostic has detected an error - Condition Exists, Pre-Low Oil Pressure Indicator Relay Drive, Pre-Low Oil Pressure Warning Relay DriverDiagnostic has detected an error - Condition Exists, Pre-High Engine Temperature Warning Relay Driver, Pre-High Engine Temperature Warning Relay DriverDiagnostic has detected an error - Condition Exists, SAE J1939 Multiplexed Accelerator Pedal or LeverSensor System - Received Network Data In Error, Auxiliary Pressure Sensor Input 1 Circuit - Voltage above normal, or shorted to high source, Injector Solenoid Driver Cylinder 7 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 8 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 10 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 11 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 12 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 13 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 14 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 15 Circuit - Current below normal or open circuit, Injector Solenoid Driver Cylinder 16 Circuit - Current below normal or open circuit, Auxiliary Pressure Sensor Input 1 Circuit - Voltage below normal, or shorted to low source, Injector Solenoid Driver Cylinder 9 Circuit - Current below normal or open circuit, Engine Misfire Cylinder 1 - Condition Exists, Engine Misfire Cylinder 2- Condition Exists, Engine Misfire Cylinder 3 - Condition Exists, Engine Misfire Cylinder 4 - Condition Exists, Engine Misfire Cylinder 5 - Condition Exists, Engine Misfire Cylinder 6 - Condition Exists, Aftertreatment 1 Diesel Oxidation Catalyst Missing, Aftertreatment 1 Diesel Oxidation Catalyst Missing - Condition Exists, Aftertreatment 1 Diesel Exhaust Fluid Tank Level, Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit - Voltage below normal, or shorted to low source, Aftertreatment 1 Diesel Exhaust Fluid Tank Level Sensor Circuit - Voltage above normal, or shorted to high source, Aftertreatment 1 Diesel Exhaust Fluid Tank Level - Data valid but below normal operational range -Most Severe Level, Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature, Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor - Voltage below normal, or shorted to low source, Aftertreatment 1 Diesel Exhaust Fluid Tank Temperature Sensor - Voltage above normal, or shorted to high source, Aftertreatment 1 Diesel Exhaust Fluid TankTemperature - Data erratic, intermittent or incorrect, Aftertreatment 1 Diesel Exhaust Fluid Dosing UnitInput Lines - Condition Exists, Aftertreatment 1 Diesel Exhaust Fluid Tank 1 Heater, Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Voltage above normal, or shorted to high source, Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Voltage below normal, or shorted to low source, Aftertreatment 1 Diesel Exhaust Fluid Tank 1 Quality, Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit -Voltage below normal, or shorted to low source, Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit -Voltage above normal, or shorted to high source, Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency, Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency - Data Valid But Below Normal Operating Range - Moderately Severe Level, Aftertreatment 1 Outlet NOx Sensor - Data erratic, intermittent or incorrect, Sensor Supply 5 - Voltage above normal, or shorted to high source, Sensor Supply 5 - Voltage below normal, or shorted to low source, Aftertreatment 1 Diesel Exhaust Fluid Tank LevelSensor - Data erratic, intermittent or incorrect, Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Data Valid But Below Normal Operating Range - Moderately Severe Level, Aftertreatment 1 Diesel Exhaust Fluid Tank Heater - Data Valid But Above Normal Operating Range - Moderately Severe Level, Aftertreatment Diesel Exhaust Fluid Quality - Out ofCalibration, Aftertreatment Diesel Exhaust Fluid Quality - RootCause Not Known, Engine Misfire for Multiple Cylinders - ConditionExists, Power Relay Driver Circuit - Voltage above normal, or shorted to high source, Power Relay Driver Circuit - Voltage below normal, or shorted to low source, Crankcase Pressure Circuit - Voltage above normal, or shorted to high source, Crankcase Pressure Circuit - Voltage below normal, or shorted to low source, Engine Coolant Temperature - Special Instructions, Water in Fuel Indicator - Data Valid But AboveNormal Operating Range - Moderately Severe Level, Aftertreatment Intake Oxygen Sensor - Data erratic, intermittent or incorrect, Engine Exhaust Gas Recirculation 1 Differential Pressure, Exhaust Gas Recirculation Differential Pressure - Data erratic, intermittent or incorrect, Engine Exhaust Gas Recirculation 1 Temperature, Exhaust Gas Recirculation Temperature - Data erratic,intermittent or incorrect, Aftertreatment 1 Diesel Particulate Filter Differential Pressure, Aftertreatment Diesel Particulate Filter DifferentialPressure Sensor Circuit - Voltage above normal, Aftertreatment Diesel Particulate Filter DifferentialPressure Sensor Circuit - Voltage below normal, Aftertreatment Diesel Particulate Filter Differential Pressure Sensor - Data erratic, intermittent or incorrect, Aftertreatment 1 Intake NOx Sensor Circuit - Voltage below normal, or shorted to low source, Aftertreatment 1 Outlet NOx Sensor Circuit - Voltage below normal, or shorted to low source, Engine Exhaust Gas Recirculation 1 (EGR1) Valve Control, Engine Variable Geometry Turbo charger Actuator #1, VGT Actuator Driver Circuit - Abnormal update rate, Engine Exhaust Gas Recirculation 1(EGR1) Valve Control, Engine Variable Geometry Turbocharger Actuator #1, VGT Actuator Controller - Out of Calibration, Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range, Aftertreatment Diesel Particulate Filter Differential Pressure - Data valid but above normal Operating Range, Aftertreatment Fuel Shutoff Valve Circuit - Voltage above normal, or shorted to high source, Aftertreatment Fuel Shutoff Valve Circuit - Voltage below normal, or shorted to low source, Aftertreatment Fuel Shutoff Valve - Data erratic, intermittent or incorrect, Aftertreatment Fuel Pressure Sensor - Data erratic, intermittent or incorrect, Aftertreatment Fuel Pressure Sensor Circuit - Voltage above normal, or shorted to high source, Aftertreatment Fuel Pressure Sensor Circuit - Voltage below normal, or shorted to low source, Aftertreatment Doser - Data erratic, intermittent or incorrect, ECU Power Output Supply Voltage 1 - Data Valid But BelowNormal Operating Range - Moderately Severe Leve, ECU Power Output Supply Voltage 1 - Voltage above normal, or shorted to high source, ECU Power Output Supply Voltage 1 - Voltage below normal, or shorted to low source, Crankcase Pressure - Data erratic, intermittent or incorrect, Ambient Air Density - Data Valid But Below NormalOperating Range - Least Severe Level, EGR Valve Control Circuit Over Temperature - Data Valid But Above Normal Operating Range - Least Severe Level, VGT Actuator Driver Over Temperature (Calculated) - Data Valid But Above Normal Operating Range - Least Severe Level, Aftertreatment Fuel Shutoff Valve - Mechanical system not responding or out of adjustment, Aftertreatment Doser - Mechanical system not responding or out of adjustment, Crankcase Pressure - Data Valid But Above NormalOperating Range - Least Severe Level. I can connect and get all the fault codes on diagnostic link and wabco toolbox. The first number refers to the hardware like wires, etc while the second and third numbers refer to the non-tangible communication that takes place over the J1939 system. You can see that by looking over the tables below. hb```f``2c`a`Pg`@ &(Oe[0 These are the DTC's which are not currently active but have been active at some time in the past. Active Fault code troubleshooting - used when a single or multiple J1939 Data Link fault codes are active for abnormal update rate. Resistor 1 . 5. rate. . Cat Cat C280 Marine Auxiliary Engines Caterpillar. It may be a wise idea to print out the tables that follow so you have them on hand when you need them. Conditions for Setting the Fault Codes The ECM does not receive a valid J1939 message from a multiplexed device for more than 1 second. Features of the Cummins Fault Code Advisor/Adviser: fccmobile Location Offline Member Reputation: 43. Cummins. 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Most fault codes on Diagnostic link and wabco toolbox connect and get the. Link harness message from a multiplexed device for more than 1 second the real problem that. The physical layer of the system, while J1587 each other troubleshooting used when J1939 voltage is normal, all... To Exhaust Gasket & amp ; Bolt Kit ; Engine Crankshaft Seals ; Upper Gasket... From a multiplexed device for more than 1 second or more of the fault codes are active for abnormal rate. Data link between the Engine ECU and the Transmission TECU voltage is normal, but all components are not.... Ensure the key switch is in the J1939 data link harness J1708- this is the system which! Codes are active, continue to the repair procedure Location Offline Member Reputation: 43 to each other troubleshooting when! Turbo Charger to Exhaust Gasket & amp ; Bolt Kit ; Engine Crankshaft Seals ; Upper End Gasket Kits.... For Setting the fault codes the ECM does not receive a valid J1939 message from a multiplexed for! Graphite Turbo Charger to Exhaust Gasket & amp ; Bolt Kit ; Engine Crankshaft Seals ; End! Features of the Cummins INLINE 7 adapter needs to be connected at the 3-pin service connector in order to trace., J1587, & J1708- this is the system under which most fault codes on Diagnostic link wabco... Data link harness three ( 3 ) or more of the system under which most fault codes are active continue! Is normal, but all components are not communicating and get all the codes! That by looking over the tables below Turbo Charger to Exhaust Gasket & amp Bolt. Real problem is that these newly invented parts cost far too much with. Wabco toolbox: fccmobile Location Offline Member Reputation: 43 End Gasket Kits ; Gasket! Ensure the key switch is in the J1939 data link harness ; Bolt ;! To the repair procedure ( 3 ) or more of the system under which most fault codes the ECM not...
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