(Table 4, contd)
J1939 Code
Description
Refer to Procedure
1081-5
Engine Wait to Start Lamp : Current Below Normal Indicator Lamp - Test
1081-6
Engine Wait to Start Lamp : Current Above Normal Indicator Lamp - Test
1110-31
Engine Protection System has Shutdown Engine
The engine protection system has shutdown the engine.
Troubleshoot all other diagnostic codes in order to clear
this code.
1127-16
Engine Turbocharger 1 Boost Pressure : High - moderate se-
verity (2)
Intake Manifold Air Pressure Is High
1127-18
Engine Turbocharger 1 Boost Pressure : Low - moderate se-
verity (2)
Intake Manifold Air Pressure Is Low
1188-5
Engine Turbocharger Wastegate Actuator 1 Position : Current
Below Normal
Solenoid Valve - Test
1188-6
Engine Turbocharger Wastegate Actuator 1 Position : Current
Above Normal
Solenoid Valve - Test
1209-3
Engine Exhaust Gas Pressure : Voltage Above Normal
Sensor Signal (Analog, Active) - Test (Exhaust Gas Pres-
sure Sensor)
1209-4
Engine Exhaust Gas Pressure : Voltage Below Normal
Sensor Signal (Analog, Active) - Test (Exhaust Gas Pres-
sure Sensor)
1221-2
Continuously Monitored Systems Support/Status ; Erratic, Inter-
mittent, or Incorrect
ECM Memory - Test
1221-14
Continuously Monitored Systems Support/Status ; Special
Instruction
Another diagnostic code has requested engine speed
limitation.
The warning lamp will flash. The engine speed is limited to
1200 rpm.
Troubleshoot all other diagnostic codes. If this code is the
only active diagnostic code, replace the ECM. Refer to
Troubleshooting, “ECM - Replace”
1239-0
Engine Fuel Leakage 1 : High - most severe (3)
Fuel Rail Pressure Problem
1485-7
ECM Main Relay : Not Responding Properly Relay - Test (ECM Main Relay)
1485-14
ECM Main relay : Special Instruction Relay - Test (ECM Main Relay)
2791-5
Engine Exhaust Gas Recirculation (EGR) Valve Control : Cur-
rent Below Normal
Motorized Valve - Test
2791-6
Engine Exhaust Gas Recirculation (EGR) Valve Control : Cur-
rent Above Normal
Motorized Valve - Test
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)
(continued)
26 UENR0612
Diagnostic Trouble Codes
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