Caterpillar Fault Codes

1,290 codes

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EMCP 4.2
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All Generator (1,591) Heavy Equipment (1,290)
Code Model Error / Alarm Category Severity Action
CID-41-FMI-2 CAT Electronic Control Module Caterpillar CID 41 FMI 2 - Engine Overspeed: Data Erratic, Intermittent, or Incorrect heavy-equipment Critical View →
CID-41-FMI-3 CAT Electronic Control Module Caterpillar CID 41 FMI 3 - Engine Overspeed: Voltage Above Normal, or Shorted to High Source heavy-equipment Critical View →
CID-41-FMI-4 CAT Electronic Control Module Caterpillar CID 41 FMI 4 - Engine Overspeed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
CID-42-FMI-2 CAT Electronic Control Module Caterpillar CID 42 FMI 2 - Low Idle Speed: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-42-FMI-4 CAT Electronic Control Module Caterpillar CID 42 FMI 4 - Low Idle Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-42-FMI-6 CAT Electronic Control Module Caterpillar CID 42 FMI 6 - Low Idle Speed: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-43-FMI-4 CAT Electronic Control Module Caterpillar CID 43 FMI 4 - High Idle Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-43-FMI-6 CAT Electronic Control Module Caterpillar CID 43 FMI 6 - High Idle Speed: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-43-FMI-8 CAT Electronic Control Module Caterpillar CID 43 FMI 8 - High Idle Speed: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-44-FMI-13 CAT Electronic Control Module Caterpillar CID 44 FMI 13 - Crankcase Pressure: Out of Calibration heavy-equipment Major View →
CID-44-FMI-4 CAT Electronic Control Module Caterpillar CID 44 FMI 4 - Crankcase Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-44-FMI-8 CAT Electronic Control Module Caterpillar CID 44 FMI 8 - Crankcase Pressure: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-45-FMI-0 CAT Electronic Control Module Caterpillar CID 45 FMI 0 - Turbocharger Speed: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-45-FMI-2 CAT Electronic Control Module Caterpillar CID 45 FMI 2 - Turbocharger Speed: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-45-FMI-4 CAT Electronic Control Module Caterpillar CID 45 FMI 4 - Turbocharger Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-46-FMI-1 CAT Electronic Control Module Caterpillar CID 46 FMI 1 - Turbocharger Compressor Inlet Temperature: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-46-FMI-3 CAT Electronic Control Module Caterpillar CID 46 FMI 3 - Turbocharger Compressor Inlet Temperature: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-46-FMI-4 CAT Electronic Control Module Caterpillar CID 46 FMI 4 - Turbocharger Compressor Inlet Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-46-FMI-5 CAT Electronic Control Module Caterpillar CID 46 FMI 5 - Turbocharger Compressor Inlet Temperature: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-47-FMI-3 CAT Electronic Control Module Caterpillar CID 47 FMI 3 - Turbocharger Compressor Outlet Temperature: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-47-FMI-6 CAT Electronic Control Module Caterpillar CID 47 FMI 6 - Turbocharger Compressor Outlet Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-48-FMI-5 CAT Electronic Control Module Caterpillar CID 48 FMI 5 - Exhaust Gas Temperature Bank 1: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-48-FMI-6 CAT Electronic Control Module Caterpillar CID 48 FMI 6 - Exhaust Gas Temperature Bank 1: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-48-FMI-8 CAT Electronic Control Module Caterpillar CID 48 FMI 8 - Exhaust Gas Temperature Bank 1: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-49-FMI-13 CAT Electronic Control Module Caterpillar CID 49 FMI 13 - Exhaust Gas Temperature Bank 2: Out of Calibration heavy-equipment Major View →
CID-49-FMI-6 CAT Electronic Control Module Caterpillar CID 49 FMI 6 - Exhaust Gas Temperature Bank 2: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-49-FMI-8 CAT Electronic Control Module Caterpillar CID 49 FMI 8 - Exhaust Gas Temperature Bank 2: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-5-FMI-0 CAT Electronic Control Module Caterpillar CID 5 FMI 0 - Battery Voltage: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-5-FMI-2 CAT Electronic Control Module Caterpillar CID 5 FMI 2 - Battery Voltage: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-5-FMI-3 CAT Electronic Control Module Caterpillar CID 5 FMI 3 - Battery Voltage: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-5-FMI-4 CAT Electronic Control Module Caterpillar CID 5 FMI 4 - Battery Voltage: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-50-FMI-1 CAT Electronic Control Module Caterpillar CID 50 FMI 1 - Particulate Trap Differential Pressure: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-50-FMI-2 CAT Electronic Control Module Caterpillar CID 50 FMI 2 - Particulate Trap Differential Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-51-FMI-1 CAT Electronic Control Module Caterpillar CID 51 FMI 1 - Diesel Particulate Filter Regeneration: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-51-FMI-2 CAT Electronic Control Module Caterpillar CID 51 FMI 2 - Diesel Particulate Filter Regeneration: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-51-FMI-3 CAT Electronic Control Module Caterpillar CID 51 FMI 3 - Diesel Particulate Filter Regeneration: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-51-FMI-4 CAT Electronic Control Module Caterpillar CID 51 FMI 4 - Diesel Particulate Filter Regeneration: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-51-FMI-5 CAT Electronic Control Module Caterpillar CID 51 FMI 5 - Diesel Particulate Filter Regeneration: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-52-FMI-3 CAT Electronic Control Module Caterpillar CID 52 FMI 3 - Selective Catalytic Reduction (SCR) NOx Sensor: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-52-FMI-4 CAT Electronic Control Module Caterpillar CID 52 FMI 4 - Selective Catalytic Reduction (SCR) NOx Sensor: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-53-FMI-4 CAT Electronic Control Module Caterpillar CID 53 FMI 4 - SCR Dosing Unit: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-53-FMI-5 CAT Electronic Control Module Caterpillar CID 53 FMI 5 - SCR Dosing Unit: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-53-FMI-6 CAT Electronic Control Module Caterpillar CID 53 FMI 6 - SCR Dosing Unit: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-54-FMI-13 CAT Electronic Control Module Caterpillar CID 54 FMI 13 - SCR Catalyst Temperature: Out of Calibration heavy-equipment Major View →
CID-54-FMI-4 CAT Electronic Control Module Caterpillar CID 54 FMI 4 - SCR Catalyst Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-54-FMI-5 CAT Electronic Control Module Caterpillar CID 54 FMI 5 - SCR Catalyst Temperature: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-54-FMI-6 CAT Electronic Control Module Caterpillar CID 54 FMI 6 - SCR Catalyst Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-54-FMI-8 CAT Electronic Control Module Caterpillar CID 54 FMI 8 - SCR Catalyst Temperature: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-55-FMI-0 CAT Electronic Control Module Caterpillar CID 55 FMI 0 - DEF Tank Temperature: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
CID-55-FMI-1 CAT Electronic Control Module Caterpillar CID 55 FMI 1 - DEF Tank Temperature: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-55-FMI-2 CAT Electronic Control Module Caterpillar CID 55 FMI 2 - DEF Tank Temperature: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-55-FMI-3 CAT Electronic Control Module Caterpillar CID 55 FMI 3 - DEF Tank Temperature: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-55-FMI-4 CAT Electronic Control Module Caterpillar CID 55 FMI 4 - DEF Tank Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-56-FMI-1 CAT Electronic Control Module Caterpillar CID 56 FMI 1 - DEF Tank Level: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-56-FMI-4 CAT Electronic Control Module Caterpillar CID 56 FMI 4 - DEF Tank Level: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-56-FMI-5 CAT Electronic Control Module Caterpillar CID 56 FMI 5 - DEF Tank Level: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-57-FMI-4 CAT Electronic Control Module Caterpillar CID 57 FMI 4 - DEF Quality/Concentration: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-57-FMI-5 CAT Electronic Control Module Caterpillar CID 57 FMI 5 - DEF Quality/Concentration: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-58-FMI-3 CAT Electronic Control Module Caterpillar CID 58 FMI 3 - DEF Pump: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-58-FMI-4 CAT Electronic Control Module Caterpillar CID 58 FMI 4 - DEF Pump: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-58-FMI-6 CAT Electronic Control Module Caterpillar CID 58 FMI 6 - DEF Pump: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-58-FMI-8 CAT Electronic Control Module Caterpillar CID 58 FMI 8 - DEF Pump: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-59-FMI-13 CAT Electronic Control Module Caterpillar CID 59 FMI 13 - DEF Injector: Out of Calibration heavy-equipment Major View →
CID-59-FMI-4 CAT Electronic Control Module Caterpillar CID 59 FMI 4 - DEF Injector: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-59-FMI-5 CAT Electronic Control Module Caterpillar CID 59 FMI 5 - DEF Injector: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-59-FMI-6 CAT Electronic Control Module Caterpillar CID 59 FMI 6 - DEF Injector: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-59-FMI-8 CAT Electronic Control Module Caterpillar CID 59 FMI 8 - DEF Injector: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-6-FMI-2 CAT Electronic Control Module Caterpillar CID 6 FMI 2 - Engine Oil Temperature: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-6-FMI-3 CAT Electronic Control Module Caterpillar CID 6 FMI 3 - Engine Oil Temperature: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-6-FMI-4 CAT Electronic Control Module Caterpillar CID 6 FMI 4 - Engine Oil Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-6-FMI-5 CAT Electronic Control Module Caterpillar CID 6 FMI 5 - Engine Oil Temperature: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-60-FMI-1 CAT Electronic Control Module Caterpillar CID 60 FMI 1 - EGR Valve Position: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-60-FMI-2 CAT Electronic Control Module Caterpillar CID 60 FMI 2 - EGR Valve Position: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-60-FMI-3 CAT Electronic Control Module Caterpillar CID 60 FMI 3 - EGR Valve Position: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-60-FMI-4 CAT Electronic Control Module Caterpillar CID 60 FMI 4 - EGR Valve Position: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-61-FMI-1 CAT Electronic Control Module Caterpillar CID 61 FMI 1 - EGR Temperature: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-61-FMI-2 CAT Electronic Control Module Caterpillar CID 61 FMI 2 - EGR Temperature: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →