Heavy Equipment Fault Codes

1,480 codes
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All Caterpillar (1,290) Komatsu (57) John Deere (52) Volvo (43) Doosan (21) JCB (9) Case (8)
Code Brand Model Error / Alarm Type Severity Action
CID-40-FMI-3 Caterpillar 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-129-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 129 FMI 6 - Stick Cylinder Rod Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-140-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 140 FMI 2 - Right Track Position Sensor: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-104-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 104 FMI 4 - Actual Engine Torque: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-177-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 177 FMI 3 - Grapple Mode Switch: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
16-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 16 FMI 18 - Engine Oil Pressure Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
254-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 254 FMI 3 - Fuel Injector (Cylinder 4) Voltage Above Normal/Shorted High heavy-equipment Major View →
10-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 10 FMI 5 - Fuel Pressure Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
78-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 8 - Engine Speed-Timing Sensor (Crankshaft) Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-102-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 102 FMI 4 - Percent Engine Torque: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-178-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 178 FMI 5 - Thumb Mode Switch: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-13-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 13 FMI 5 - Fuel Temperature: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-47-FMI-3 Caterpillar 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 →
253-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 253 FMI 1 - Fuel Injector (Cylinder 3) Data Valid But Below Normal Range heavy-equipment Major View →
CID-36-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 36 FMI 3 - Air Conditioning Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
168-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 168 FMI 13 - Engine ECM Out of Calibration heavy-equipment Minor View →
168-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 168 FMI 15 - Engine ECM Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
451-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 451 FMI 13 - Air Filter Restriction (High) Out of Calibration heavy-equipment Minor View →
172-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 172 FMI 4 - Fuel Injection Actuation Pressure (High) Voltage Below Normal/Shorted Low heavy-equipment Major View →
3-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 3 FMI 16 - Injection Actuation Pressure Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
37-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 37 FMI 0 - Crankcase Pressure Sensor Data Valid But Above Normal Range heavy-equipment Major View →
82-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 82 FMI 0 - Throttle Position Sensor (PWM) Data Valid But Above Normal Range heavy-equipment Major View →
CID-17-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 17 FMI 3 - Fuel Injector #3: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-150-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 150 FMI 3 - GPS Speed: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
20-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 8 - Injection Actuation Pressure Control Valve Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-48-FMI-8 Caterpillar 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-87-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 87 FMI 5 - Cylinder Cutout #4: Current Below Normal, or Open Circuit heavy-equipment Major View →
415-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 415 FMI 6 - Engine Oil Level (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-112-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 112 FMI 5 - Power Train Oil Filter Differential Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
227-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 227 FMI 3 - Injection Actuation Pressure (Low) Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-92-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 92 FMI 3 - Total Tattletale: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-99-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 99 FMI 6 - Fuel Rate: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-168-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 168 FMI 4 - Lifting Mode Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-180-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 180 FMI 2 - Quick Coupler Switch: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
110-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 5 - Radiator Coolant Temperature Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
CID-171-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 171 FMI 1 - High Speed Travel Switch: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
94-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 94 FMI 13 - Engine Speed-Timing Sensor (Injection Pump) Out of Calibration heavy-equipment Minor View →
CID-190-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 190 FMI 4 - Work Tool Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
431-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 431 FMI 18 - Brake Fluid Level (Low) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-36-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 36 FMI 5 - Air Conditioning Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
314-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 314 FMI 17 - Hydraulic Oil Filter Bypass Switch Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-54-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 54 FMI 8 - SCR Catalyst Temperature: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-70-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 70 FMI 4 - Engine Load Factor: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-187-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 187 FMI 4 - Attachment Direction: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
371-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 17 - Fuel Filter Differential Pressure Switch Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
227-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 227 FMI 17 - Injection Actuation Pressure (Low) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-155-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 155 FMI 0 - Theft Deterrent System: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-140-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 140 FMI 4 - Right Track Position Sensor: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-96-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 96 FMI 2 - Trip Fuel Used: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
451-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 451 FMI 15 - Air Filter Restriction (High) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-31-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 31 FMI 1 - Steering Oil Pressure: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
11-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 11 FMI 2 - Throttle Position Sensor Data Erratic/Intermittent heavy-equipment Minor View →
CID-127-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 127 FMI 5 - Boom Cylinder Rod Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-33-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 33 FMI 6 - Hydraulic Oil Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-112-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 112 FMI 6 - Power Train Oil Filter Differential Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
38-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 38 FMI 17 - Fuel Temperature Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-137-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 137 FMI 6 - Bucket Position Sensor: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
94-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 94 FMI 8 - Engine Speed-Timing Sensor (Injection Pump) Abnormal Frequency/Pulse Width heavy-equipment Major View →
391-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 391 FMI 16 - Hydraulic Oil Temperature Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
431-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 431 FMI 17 - Brake Fluid Level (Low) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
11-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 11 FMI 18 - Throttle Position Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-19-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 19 FMI 4 - Fuel Injector #5: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-80-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 80 FMI 4 - Camshaft Position Sensor: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
46-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 46 FMI 18 - ECM Connector (Rack Sensor) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
91-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 91 FMI 4 - Injection Actuation Pressure Control Valve (Open) Voltage Below Normal/Shorted Low heavy-equipment Major View →
341-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 1 - Brake Fluid Level Sensor Data Valid But Below Normal Range heavy-equipment Major View →
314-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 314 FMI 4 - Hydraulic Oil Filter Bypass Switch Voltage Below Normal/Shorted Low heavy-equipment Major View →
281-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 281 FMI 3 - Transmission Speed Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
6-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 6 FMI 18 - Engine Speed-Timing Sensor (Duty Cycle) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
314-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 314 FMI 16 - Hydraulic Oil Filter Bypass Switch Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-65-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 65 FMI 4 - Engine Brake Solenoid #2: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-150-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 150 FMI 1 - GPS Speed: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-97-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 97 FMI 2 - Total Idle Fuel Used: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
16-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 16 FMI 13 - Engine Oil Pressure Sensor Out of Calibration heavy-equipment Minor View →
172-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 172 FMI 1 - Fuel Injection Actuation Pressure (High) Data Valid But Below Normal Range heavy-equipment Major View →
CID-163-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 163 FMI 8 - Pedal Position #1: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
41-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 41 FMI 17 - Air Inlet Heater Relay Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →