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
26-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 26 FMI 16 - Inlet Manifold Pressure Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-171-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 171 FMI 2 - High Speed Travel Switch: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-45-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 45 FMI 2 - Turbocharger Speed: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-181-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 181 FMI 5 - Auxiliary Hydraulic Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
2-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 2 FMI 6 - Engine Speed-Timing Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
52-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 8 - Injection Actuation Pressure Sensor (Rail) Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-132-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 132 FMI 4 - Swing Motor Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
261-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 261 FMI 17 - Fuel Pressure (High) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-32-FMI-3 Caterpillar 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-133-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 133 FMI 4 - Left Travel Motor Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
58-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 58 FMI 1 - Analog Temperature Sensor Data Valid But Below Normal Range heavy-equipment Major View →
CID-70-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 70 FMI 0 - Engine Load Factor: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
425-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 4 - Hydraulic Oil Level (Low) Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-80-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 80 FMI 0 - Camshaft Position Sensor: Data Valid But Above Normal Operational Range heavy-equipment Critical View →
CID-94-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 94 FMI 8 - Engine Run Time: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-164-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 164 FMI 5 - Pedal Position #2: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-164-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 164 FMI 8 - Pedal Position #2: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
3-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 3 FMI 4 - Injection Actuation Pressure Sensor Voltage Below Normal/Shorted Low heavy-equipment Major View →
93-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 93 FMI 6 - Fuel Injection Pump Solenoid Current Above Normal/Grounded Circuit heavy-equipment Major View →
55-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 55 FMI 0 - Injection Actuation Pressure Control Valve (Current) Data Valid But Above Normal Range heavy-equipment Major View →
254-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 254 FMI 17 - Fuel Injector (Cylinder 4) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
11-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 11 FMI 17 - Throttle Position Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-18-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 18 FMI 5 - Fuel Injector #4: Current Below Normal, or Open Circuit heavy-equipment Major View →
431-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 431 FMI 8 - Brake Fluid Level (Low) Abnormal Frequency/Pulse Width heavy-equipment Major View →
5-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 5 FMI 6 - Inlet Manifold Air Temperature Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
291-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 291 FMI 6 - Transmission Temperature Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-31-FMI-4 Caterpillar 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-48-FMI-5 Caterpillar 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-90-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 90 FMI 1 - Crankcase Breather Filter: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-168-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 168 FMI 6 - Lifting Mode Switch: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
451-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 451 FMI 1 - Air Filter Restriction (High) Data Valid But Below Normal Range heavy-equipment Major View →
40-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 40 FMI 15 - Engine Oil Level Sensor Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-66-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 66 FMI 5 - Engine Brake Solenoid #3: Current Below Normal, or Open Circuit heavy-equipment Major View →
68-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 68 FMI 13 - Turbocharger Compressor Outlet Temperature Out of Calibration heavy-equipment Minor View →
261-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 261 FMI 8 - Fuel Pressure (High) Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-10-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 10 FMI 0 - Coolant Loss: Data Valid But Above Normal Operational Range heavy-equipment Major View →
371-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 18 - Fuel Filter Differential Pressure Switch Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-40-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 40 FMI 1 - Engine Protection Override: Data Valid But Below Normal Operational Range heavy-equipment Critical View →
CID-13-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 13 FMI 4 - Fuel Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-87-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 87 FMI 2 - Cylinder Cutout #4: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
371-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 1 - Fuel Filter Differential Pressure Switch Data Valid But Below Normal Range heavy-equipment Major View →
110-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 1 - Radiator Coolant Temperature Sensor Data Valid But Below Normal Range heavy-equipment Major View →
381-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 381 FMI 8 - Engine Air Filter Restriction Switch Abnormal Frequency/Pulse Width heavy-equipment Major View →
336-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 336 FMI 18 - Hydraulic Pump Pressure Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
55-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 55 FMI 15 - Injection Actuation Pressure Control Valve (Current) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
255-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 255 FMI 18 - Fuel Injector (Cylinder 5) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-130-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 130 FMI 0 - Bucket Cylinder Head Pressure: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
CID-45-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 45 FMI 4 - Turbocharger Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-62-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 62 FMI 6 - EGR Differential Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-135-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 135 FMI 4 - Boom Position Sensor: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-183-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 183 FMI 4 - Attachment Identification: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
261-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 261 FMI 3 - Fuel Pressure (High) Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-149-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 149 FMI 6 - GPS Altitude: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-85-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 85 FMI 2 - Cylinder Cutout #2: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
27-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 27 FMI 1 - Atmospheric Pressure Sensor Data Valid But Below Normal Range heavy-equipment Major View →
CID-2-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 2 FMI 6 - Engine Coolant Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-30-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 30 FMI 0 - Transmission Oil Pressure: Data Valid But Above Normal Operational Range heavy-equipment Major View →
341-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 2 - Brake Fluid Level Sensor Data Erratic/Intermittent heavy-equipment Minor View →
341-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 5 - Brake Fluid Level Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
CID-67-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 67 FMI 4 - Fan Drive Solenoid: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
251-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 251 FMI 3 - Fuel Injector (Cylinder 1) Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-133-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 133 FMI 5 - Left Travel Motor Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-194-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 194 FMI 6 - Work Tool Load: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
40-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 40 FMI 17 - Engine Oil Level Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
110-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 0 - Radiator Coolant Temperature Sensor Data Valid But Above Normal Range heavy-equipment Major View →
321-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 321 FMI 16 - Brake Oil Pressure (Low) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
10-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 10 FMI 1 - Fuel Pressure Sensor Data Valid But Below Normal Range heavy-equipment Major View →
26-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 26 FMI 18 - Inlet Manifold Pressure Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
68-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 68 FMI 2 - Turbocharger Compressor Outlet Temperature Data Erratic/Intermittent heavy-equipment Minor View →
425-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 6 - Hydraulic Oil Level (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
35-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 35 FMI 13 - Radiator Coolant Level Sensor Out of Calibration heavy-equipment Minor View →
CID-78-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 78 FMI 4 - Injection Actuation Pressure Control Valve: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
27-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 27 FMI 17 - Atmospheric Pressure Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
461-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 461 FMI 1 - Fuel Water Separator Sensor Data Valid But Below Normal Range heavy-equipment Major View →
CID-112-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 112 FMI 3 - Power Train Oil Filter Differential Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-15-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 15 FMI 4 - Fuel Injector #1: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-51-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 51 FMI 2 - Diesel Particulate Filter Regeneration: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →