Heavy Equipment Fault Codes

1,572 codes
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All Caterpillar (1,377) Komatsu (58) John Deere (53) Volvo (44) Doosan (22) Case (9) JCB (9)
Code Brand Model Error / Alarm Type Severity Action
CID-177-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 177 FMI 5 - Grapple Mode Switch: Current Below Normal, or Open Circuit heavy-equipment Minor View →
471-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 471 FMI 13 - Engine Over-speed Protection Out of Calibration heavy-equipment Minor View →
61-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 61 FMI 5 - Alternator (Field Current) Current Below Normal/Open Circuit heavy-equipment Major View →
CID-109-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 109 FMI 8 - Fuel Filter Differential Pressure: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-151-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 151 FMI 3 - GPS Heading: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
200-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 200 FMI 4 - Engine Oil Pressure (Low) Voltage Below Normal/Shorted Low heavy-equipment Major View →
78-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 0 - Engine Speed-Timing Sensor (Crankshaft) Data Valid But Above Normal Range heavy-equipment Major View →
341-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 4 - Brake Fluid Level Sensor Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-156-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 156 FMI 1 - Operator Presence: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-186-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 186 FMI 1 - Attachment Speed: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-195-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 195 FMI 1 - Work Tool Cycle Count: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
401-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 401 FMI 6 - Alternator Not Charging Current Above Normal/Grounded Circuit heavy-equipment Major View →
401-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 401 FMI 17 - Alternator Not Charging Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
261-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 261 FMI 1 - Fuel Pressure (High) Data Valid But Below Normal Range heavy-equipment Major View →
CID-153-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 153 FMI 4 - Radio Signal Strength: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-136-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 136 FMI 3 - Stick Position Sensor: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-97-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 97 FMI 5 - Total Idle Fuel Used: Current Below Normal, or Open Circuit heavy-equipment Minor View →
253-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 253 FMI 18 - Fuel Injector (Cylinder 3) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-30-FMI-4 Caterpillar 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-40-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 40 FMI 2 - Engine Protection Override: Data Erratic, Intermittent, or Incorrect heavy-equipment Critical View →
CID-191-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 191 FMI 2 - Work Tool Direction: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-134-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 134 FMI 8 - Right Travel Motor Pressure: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
200-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 200 FMI 5 - Engine Oil Pressure (Low) Current Below Normal/Open Circuit heavy-equipment Major View →
CID-193-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 193 FMI 6 - Work Tool Position: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-198-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 198 FMI 6 - Work Tool Filter Status: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
37-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 37 FMI 3 - Crankcase Pressure Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
491-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 491 FMI 2 - Transmission Filter Bypass Switch Data Erratic/Intermittent heavy-equipment Minor View →
CID-169-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 169 FMI 6 - Precision Mode Switch: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-190-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 190 FMI 0 - Work Tool Speed: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
411-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 411 FMI 0 - Radiator Coolant Level (Low) Data Valid But Above Normal Range heavy-equipment Major View →
321-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 321 FMI 4 - Brake Oil Pressure (Low) Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-73-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 73 FMI 6 - PTO Set Speed: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
35-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 35 FMI 6 - Radiator Coolant Level Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
55-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 55 FMI 13 - Injection Actuation Pressure Control Valve (Current) Out of Calibration heavy-equipment Minor View →
51-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 51 FMI 2 - Engine Speed-Timing Sensor (Rack Position) Data Erratic/Intermittent heavy-equipment Minor View →
252-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 252 FMI 13 - Fuel Injector (Cylinder 2) Out of Calibration heavy-equipment Minor View →
CID-15-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 15 FMI 1 - Fuel Injector #1: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-191-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 191 FMI 1 - Work Tool Direction: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-177-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 177 FMI 6 - Grapple Mode Switch: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-138-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 138 FMI 6 - Swing Position Sensor: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
3-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 3 FMI 8 - Injection Actuation Pressure Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →
336-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 336 FMI 6 - Hydraulic Pump Pressure Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-69-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 69 FMI 6 - Fuel Level: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-146-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 146 FMI 5 - Machine Roll Angle: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-103-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 103 FMI 3 - Engine Reference Torque: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-160-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 160 FMI 2 - Joystick Position #2: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
20-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 13 - Injection Actuation Pressure Control Valve Out of Calibration heavy-equipment Minor View →
78-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 18 - Engine Speed-Timing Sensor (Crankshaft) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
93-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 93 FMI 3 - Fuel Injection Pump Solenoid Voltage Above Normal/Shorted High heavy-equipment Major View →
31-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 31 FMI 4 - Engine Speed-Timing Sensor (Secondary) Voltage Below Normal/Shorted Low heavy-equipment Major View →
281-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 281 FMI 15 - Transmission Speed Sensor Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
425-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 18 - Hydraulic Oil Level (Low) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
391-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 391 FMI 17 - Hydraulic Oil Temperature Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
38-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 38 FMI 18 - Fuel Temperature Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
5-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 5 FMI 2 - Inlet Manifold Air Temperature Sensor Data Erratic/Intermittent heavy-equipment Minor View →
341-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 3 - Brake Fluid Level Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-122-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 122 FMI 3 - Fan Pump Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
44-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 44 FMI 4 - Engine Warning Indicator Voltage Below Normal/Shorted Low heavy-equipment Major View →
271-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 271 FMI 0 - Transmission Oil Pressure Sensor Data Valid But Above Normal Range heavy-equipment Major View →
CID-162-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 162 FMI 6 - Joystick Position #4: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-116-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 116 FMI 3 - Final Drive Oil Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
425-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 3 - Hydraulic Oil Level (Low) Voltage Above Normal/Shorted High heavy-equipment Major View →
6-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 6 FMI 6 - Engine Speed-Timing Sensor (Duty Cycle) Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-186-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 186 FMI 3 - Attachment Speed: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
1-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 1 FMI 13 - Mechanical Engine Speed Sensor Out of Calibration heavy-equipment Minor View →
253-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 253 FMI 4 - Fuel Injector (Cylinder 3) Voltage Below Normal/Shorted Low heavy-equipment Major View →
3-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 3 FMI 18 - Injection Actuation Pressure Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-57-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 57 FMI 5 - DEF Quality/Concentration: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-176-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 176 FMI 4 - Shear Mode Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-64-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 64 FMI 8 - Engine Brake Solenoid #1: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-5-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 5 FMI 0 - Battery Voltage: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-46-FMI-3 Caterpillar 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 →
42-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 8 - Engine Oil Temperature Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-118-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 118 FMI 8 - Service Brake Oil Pressure: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
252-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 252 FMI 2 - Fuel Injector (Cylinder 2) Data Erratic/Intermittent heavy-equipment Minor View →
CID-66-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 66 FMI 1 - Engine Brake Solenoid #3: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-111-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 111 FMI 2 - Hydraulic Oil Filter Differential Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →