Troubleshooting

(Table 4, contd)
J1939 Code
Description
Refer to Procedure
2791-7
Engine Exhaust Gas Recirculation (EGR) Valve Control : Not
Responding Properly
Motorized Valve - Test
2797-6
Engine Injector Group 1 : Current Above Normal Injector Solenoid - Test
2797-7
Engine Injector Group 1 : Not Responding Properly Injector Solenoid - Test
2798-6
Engine Injector Group 2 : Current Above Normal Injector Solenoid - Test
2840-12 ECU Instance : Failure
ECM Memory - Test
2840-14
ECU Instance : Special Instruction Relay - Test (ECM Main Relay)
2880-2
Engine Operator Primary Intermediate Speed Select : Erratic,
Intermittent, or Incorrect
Mode Selection - Test/Switch Circuits - Test (Throttle
Switch)
2880-3
Engine Operator Primary Intermediate Speed Select : Voltage
Above Normal
Mode Selection - Test/Switch Circuits - Test (Throttle
Switch)
2880-4
Engine Operator Primary Intermediate Speed Select : Voltage
Below Normal
Mode Selection - Test/Switch Circuits - Test (Throttle
Switch)
2970-2
Accelerator Pedal 2 Low Idle Switch : Erratic, Intermittent, or
Incorrect
Idle Validation - Test
3217-3
Aftertreatment #1 Intake O2 : Voltage Above Normal Oxygen Level - Test
3217-4
Aftertreatment #1 Intake O2 : Voltage Below Normal Oxygen Level - Test
3217-5 Aftertreatment #1 Intake O2 : Current Below Normal
Oxygen Level - Test
3217-6 Aftertreatment #1 Intake O2 : Current Above Normal
Oxygen Level - Test
3217-12 Aftertreatment #1 Intake O2 : Failure
Oxygen Level - Test
3217-13 Aftertreatment #1 Intake O2 : Out of Calibration
Oxygen Level - Test
3217-15
Aftertreatment #1 Intake O2 : High - least severe (1) Oxygen Level - Test
3219-15
Aftertreatment #1 Intake Gas Sensor at Temperature : High -
least severe (1)
Oxygen Level - Test
3219-17
Aftertreatment #1 Intake Gas Sensor at Temperature : Low -
least severe (1)
Oxygen Level - Test
3222-3
Aftertreatment #1 Intake Gas Sensor Heater : Voltage Above
Normal
Oxygen Level - Test
3222-4
Aftertreatment #1 Intake Gas Sensor Heater : Voltage Below
Normal
Oxygen Level - Test
3222-5
Aftertreatment #1 Intake Gas Sensor Heater : Current Below
Normal
Oxygen Level - Test
3242-0
Particulate Trap Intake Gas Temperature : High - most severe
(3)
Sensor Signal (Analog, Passive) - Test
3242-3
Particulate Trap Intake Gas Temperature : Voltage Above
Normal
Sensor Signal (Analog, Passive) - Test
3242-4
Particulate Trap Intake Gas Temperature : Voltage Below
Normal
Sensor Signal (Analog, Passive) - Test
3251-0
Particulate Trap Differential Pressure : High - most severe (3)
Diesel Particulate Filter Collects Excessive Soot
3251-3
Particulate Trap Differential Pressure : Voltage Above Normal Sensor Signal (Analog, Active) - Test
3251-4
Particulate Trap Differential Pressure : Voltage Below Normal Sensor Signal (Analog, Active) - Test
(continued)
26 UENR0612-07
Diagnostic Trouble Codes
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