Caterpillar Fault Codes

2,881 codes

Product Lines:

EMCP 4.2
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All Generator (1,591) Heavy Equipment (1,290)
Code Model Error / Alarm Category Severity Action
CID-29-FMI-13 CAT Electronic Control Module Caterpillar CID 29 FMI 13 - Transmission Oil Temperature: Out of Calibration heavy-equipment Major View →
CID-29-FMI-4 CAT Electronic Control Module Caterpillar CID 29 FMI 4 - Transmission Oil Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-29-FMI-5 CAT Electronic Control Module Caterpillar CID 29 FMI 5 - Transmission Oil Temperature: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-3-FMI-4 CAT Electronic Control Module Caterpillar CID 3 FMI 4 - Engine Speed/Timing: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
CID-3-FMI-5 CAT Electronic Control Module Caterpillar CID 3 FMI 5 - Engine Speed/Timing: Current Below Normal, or Open Circuit heavy-equipment Critical View →
CID-3-FMI-6 CAT Electronic Control Module Caterpillar CID 3 FMI 6 - Engine Speed/Timing: Current Above Normal, or Grounded Circuit heavy-equipment Critical View →
CID-30-FMI-0 CAT Electronic Control Module Caterpillar CID 30 FMI 0 - Transmission Oil Pressure: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-30-FMI-1 CAT Electronic Control Module Caterpillar CID 30 FMI 1 - Transmission Oil Pressure: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-30-FMI-2 CAT Electronic Control Module Caterpillar CID 30 FMI 2 - Transmission Oil Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-30-FMI-4 CAT Electronic Control Module Caterpillar CID 30 FMI 4 - Transmission Oil Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-31-FMI-1 CAT Electronic Control Module Caterpillar CID 31 FMI 1 - Steering Oil Pressure: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-31-FMI-2 CAT Electronic Control Module Caterpillar CID 31 FMI 2 - Steering Oil Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-31-FMI-4 CAT Electronic Control Module Caterpillar CID 31 FMI 4 - Steering Oil Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-32-FMI-2 CAT Electronic Control Module Caterpillar CID 32 FMI 2 - Brake Oil Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-32-FMI-3 CAT Electronic Control Module Caterpillar CID 32 FMI 3 - Brake Oil Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-32-FMI-4 CAT Electronic Control Module Caterpillar CID 32 FMI 4 - Brake Oil Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-32-FMI-5 CAT Electronic Control Module Caterpillar CID 32 FMI 5 - Brake Oil Pressure: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-32-FMI-6 CAT Electronic Control Module Caterpillar CID 32 FMI 6 - Brake Oil Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-33-FMI-5 CAT Electronic Control Module Caterpillar CID 33 FMI 5 - Hydraulic Oil Temperature: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-33-FMI-6 CAT Electronic Control Module Caterpillar CID 33 FMI 6 - Hydraulic Oil Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-33-FMI-8 CAT Electronic Control Module Caterpillar CID 33 FMI 8 - Hydraulic Oil Temperature: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-34-FMI-4 CAT Electronic Control Module Caterpillar CID 34 FMI 4 - Hydraulic Oil Filter: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-34-FMI-6 CAT Electronic Control Module Caterpillar CID 34 FMI 6 - Hydraulic Oil Filter: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-34-FMI-8 CAT Electronic Control Module Caterpillar CID 34 FMI 8 - Hydraulic Oil Filter: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-35-FMI-0 CAT Electronic Control Module Caterpillar CID 35 FMI 0 - Hydraulic Fan Solenoid: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-35-FMI-2 CAT Electronic Control Module Caterpillar CID 35 FMI 2 - Hydraulic Fan Solenoid: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-35-FMI-3 CAT Electronic Control Module Caterpillar CID 35 FMI 3 - Hydraulic Fan Solenoid: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-35-FMI-4 CAT Electronic Control Module Caterpillar CID 35 FMI 4 - Hydraulic Fan Solenoid: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-36-FMI-1 CAT Electronic Control Module Caterpillar CID 36 FMI 1 - Air Conditioning Pressure: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-36-FMI-2 CAT Electronic Control Module Caterpillar CID 36 FMI 2 - Air Conditioning Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-36-FMI-3 CAT Electronic Control Module Caterpillar CID 36 FMI 3 - Air Conditioning Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-36-FMI-4 CAT Electronic Control Module Caterpillar CID 36 FMI 4 - Air Conditioning Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-36-FMI-5 CAT Electronic Control Module Caterpillar CID 36 FMI 5 - Air Conditioning Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-37-FMI-3 CAT Electronic Control Module Caterpillar CID 37 FMI 3 - Alternator Output: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-37-FMI-5 CAT Electronic Control Module Caterpillar CID 37 FMI 5 - Alternator Output: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-37-FMI-6 CAT Electronic Control Module Caterpillar CID 37 FMI 6 - Alternator Output: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-38-FMI-3 CAT Electronic Control Module Caterpillar CID 38 FMI 3 - Starter Relay: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-38-FMI-4 CAT Electronic Control Module Caterpillar CID 38 FMI 4 - Starter Relay: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-38-FMI-6 CAT Electronic Control Module Caterpillar CID 38 FMI 6 - Starter Relay: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-38-FMI-8 CAT Electronic Control Module Caterpillar CID 38 FMI 8 - Starter Relay: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-39-FMI-13 CAT Electronic Control Module Caterpillar CID 39 FMI 13 - Glow Plug Relay: Out of Calibration heavy-equipment Major View →
CID-39-FMI-6 CAT Electronic Control Module Caterpillar CID 39 FMI 6 - Glow Plug Relay: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-39-FMI-8 CAT Electronic Control Module Caterpillar CID 39 FMI 8 - Glow Plug Relay: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-4-FMI-13 CAT Electronic Control Module Caterpillar CID 4 FMI 13 - Fuel Pressure: Out of Calibration heavy-equipment Major View →
CID-4-FMI-4 CAT Electronic Control Module Caterpillar CID 4 FMI 4 - Fuel Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-4-FMI-6 CAT Electronic Control Module Caterpillar CID 4 FMI 6 - Fuel Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-40-FMI-0 CAT Electronic Control Module Caterpillar CID 40 FMI 0 - Engine Protection Override: Data Valid But Above Normal Operational Range heavy-equipment Critical View →
CID-40-FMI-1 CAT Electronic Control Module Caterpillar CID 40 FMI 1 - Engine Protection Override: Data Valid But Below Normal Operational Range heavy-equipment Critical View →
CID-40-FMI-2 CAT Electronic Control Module Caterpillar CID 40 FMI 2 - Engine Protection Override: Data Erratic, Intermittent, or Incorrect heavy-equipment Critical View →
CID-40-FMI-3 CAT Electronic Control Module Caterpillar CID 40 FMI 3 - Engine Protection Override: Voltage Above Normal, or Shorted to High Source heavy-equipment Critical View →
CID-41-FMI-1 CAT Electronic Control Module Caterpillar CID 41 FMI 1 - Engine Overspeed: Data Valid But Below Normal Operational Range heavy-equipment Critical View →
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 →