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ENGINE ERROR CODES
169304 190 Rev. C
J1939 SPN
Description
J1939
SPN
J1939
FMI
Lamp
Color
Cummins
Engine
Code
Cat
Engine
Code
Cummins / Caterpillar Description
6 N/A 3 Injector Current High
7 Amber 1142 3
Injector Cylinder #3 - Mechanical System Not Responding Properly
or Out of Adjustment
Injector
Cylinder #04
654
5 Amber 332 4
Injector Solenoid Cylinder #4 Circuit – Current Below Normal, or
Open Circuit
6 N/A 4 Injector Current High
7 Amber 1143 4
Injector Cylinder #4 - Mechanical System Not Responding Properly
or Out of Adjustment
Injector
Cylinder #05
655
5 Amber 323 5
Injector Solenoid Cylinder #5 Circuit – Current Below Normal, or
Open Circuit
6 N/A 5 Injector Current High
7 Amber 1144 5
Injector Cylinder #5 - Mechanical System Not Responding Properly
or Out of Adjustment
Injector
Cylinder #06
656
5 Amber 325 6
Injector Solenoid Cylinder #6 Circuit – Current Below Normal, or
Open Circuit
6 N/A 6 Injector Current High
7 Amber 1145 6
Injector Cylinder #6 - Mechanical System Not Responding Properly
or Out of Adjustment
Glow Plug
Start Aid relay
676
5 199
2246
Current Low
6 199 Current High
Starter
Solenoid
Lockout Relay
Driver Circuit
677
3 Amber 584
Starter Relay Circuit - Voltage Above Normal, or Shorted to High
Source
4 Amber 585
Starter Relay Circuit - Voltage Below Normal, or Shorted to Low
Source
8V DC supply 678
3 517
41
ECM 8V DC supply – voltage above normal or shorted high
4 517 ECM 8V DC supply – voltage below normal or shorted low
Engine Speed
Sensor #2
723
2 Amber 753
Engine Speed/Position #2 Camshaft sync error -Data Erratic,
Intermittent, or Incorrect
7 Amber 731
Engine Speed/Position #2 mechanical misalignment between
camshaft and crankshaft sensors - Mechanical System Not
Responding Properly or Out of Adjustment
8 142 342 Abnormal signal frequency
Intake Air
Heater #1
729
3
Amber
2555
Intake Air Heater #1 Circuit - Voltage Above Normal, or Shorted to
High Source
4
Amber
2556
Intake Air Heater #1 Circuit - Voltage Below Normal, or Shorted to
Low Source
Internal
Sensor
Voltage
Supply
1043
3 Amber 387
Accelerator Pedal or Lever Position Sensor Supply Voltage Circuit -
Voltage Above Normal, or Shorted to High Source
4 Amber 284
Engine Speed/Position Sensor (Crankshaft) Supply Voltage Circuit
- Voltage Below Normal, or Shorted to Low Source
Electric Lift
Pump for
Engine Fuel
1075
3 Amber 2265
Fuel Priming Pump Control Signal Circuit – Voltage Above Normal,
or Shorted to High Source
4 Amber 2266
Fuel Priming Pump Control Signal Circuit – Voltage Below Normal,
or Shorted to Low Source
5 Volts DC
Supply
1079
3 Amber 386 262
Sensor Supply Voltage #1 Circuit – Voltage Above Normal, or
Shorted to High Source
4 Amber 352 262
Sensor Supply Voltage #1 Circuit – Voltage Below Normal, or
Shorted to Low Source
5 Volts DC
Supply
1080
3 Amber 227
Sensor Supply Voltage #2 Circuit – Voltage Above Normal, or
Shorted to High Source
4 Amber 187
Sensor Supply Voltage #2 Circuit – Voltage Below Normal, or
Shorted to Low Source
Sensor Circuit
- Voltage
1136
3 Amber 697
ECM Internal Temperature Sensor Circuit - Voltage Above Normal,
or Shorted to High Source
4 Amber 698
ECM Internal Temperature Sensor Circuit - Voltage Below Normal,
or Shorted to Low Source
Turbocharger
#1Compressor
Inlet
Temperature
1172
3 Amber 691
Turbocharger #1 Compressor Inlet Temperature Sensor Circuit –
Voltage Above Normal, or Shorted to High Source
4 Amber 692
Turbocharger #1 Compressor Inlet Temperature Sensor Circuit –
Voltage Below Normal, or Shorted to Low Source
Turbo
Wastegate
1188 7 177
526 Turbo Wastegate not responding
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