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
E7001 Case CX210 Excavator Case CX210 Excavator Error Code E7001 heavy-equipment Critical View →
E7008 Case CX210 Excavator Case CX210 Excavator Error Code E7008 heavy-equipment Critical View →
E7010 Case CX210 Excavator Case CX210 Excavator Error Code E7010 heavy-equipment Major View →
E7014 Case CX210 Excavator Case CX210 Excavator Error Code E7014 heavy-equipment Critical View →
H7003 Case CX210 Excavator Case CX210 Excavator Error Code H7003 heavy-equipment Major View →
H7004 Case CX210 Excavator Case CX210 Excavator Error Code H7004 heavy-equipment Critical View →
H7006 Case 621G Loader Case 621G Loader Error Code H7006 heavy-equipment Minor View →
T7005 Case 621G Loader Case 621G Loader Error Code T7005 heavy-equipment Major View →
451-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 451 FMI 2 - Air Filter Restriction (High) Data Erratic/Intermittent heavy-equipment Minor View →
111-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 111 FMI 6 - Battery Voltage Current Above Normal/Grounded Circuit heavy-equipment Major View →
255-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 255 FMI 13 - Fuel Injector (Cylinder 5) Out of Calibration heavy-equipment Minor View →
CID-4-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 4 FMI 6 - Fuel Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
381-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 381 FMI 17 - Engine Air Filter Restriction Switch Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
491-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 491 FMI 4 - Transmission Filter Bypass Switch Voltage Below Normal/Shorted Low heavy-equipment Major View →
58-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 58 FMI 0 - Analog Temperature Sensor Data Valid But Above Normal Range heavy-equipment Major View →
CID-62-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 62 FMI 3 - EGR Differential Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
61-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 61 FMI 13 - Alternator (Field Current) Out of Calibration heavy-equipment Minor View →
CID-41-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 41 FMI 3 - Engine Overspeed: Voltage Above Normal, or Shorted to High Source heavy-equipment Critical View →
CID-44-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 44 FMI 8 - Crankcase Pressure: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-94-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 94 FMI 5 - Engine Run Time: Current Below Normal, or Open Circuit heavy-equipment Minor View →
55-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 55 FMI 5 - Injection Actuation Pressure Control Valve (Current) Current Below Normal/Open Circuit heavy-equipment Major View →
CID-109-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 109 FMI 4 - Fuel Filter Differential Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-74-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 74 FMI 4 - Desired Throttle Position: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-158-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 158 FMI 3 - Armrest Position Switch: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
CID-197-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 197 FMI 5 - Work Tool Service Interval: Current Below Normal, or Open Circuit heavy-equipment Minor View →
371-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 16 - Fuel Filter Differential Pressure Switch Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
471-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 471 FMI 4 - Engine Over-speed Protection Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-1-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 1 FMI 3 - Engine Oil Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
CID-157-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 157 FMI 4 - Seat Belt Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
100-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 100 FMI 4 - Engine Controller (ECM) Power Voltage Below Normal/Shorted Low heavy-equipment Major View →
381-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 381 FMI 6 - Engine Air Filter Restriction Switch Current Above Normal/Grounded Circuit heavy-equipment Major View →
51-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 51 FMI 6 - Engine Speed-Timing Sensor (Rack Position) Current Above Normal/Grounded Circuit heavy-equipment Major View →
251-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 251 FMI 17 - Fuel Injector (Cylinder 1) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
42-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 15 - Engine Oil Temperature Sensor Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
321-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 321 FMI 1 - Brake Oil Pressure (Low) Data Valid But Below Normal Range heavy-equipment Major View →
CID-60-FMI-3 Caterpillar 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-189-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 189 FMI 13 - Work Tool Pump Flow: Out of Calibration heavy-equipment Minor View →
CID-97-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 97 FMI 3 - Total Idle Fuel Used: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
241-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 241 FMI 15 - Engine Speed-Timing Sensor (Camshaft) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
421-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 421 FMI 4 - Transmission Oil Level (Low) Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-81-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 81 FMI 1 - Timing Sensor: Data Valid But Below Normal Operational Range heavy-equipment Critical View →
CID-142-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 142 FMI 4 - Stick Angle: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
26-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 26 FMI 2 - Inlet Manifold Pressure Sensor Data Erratic/Intermittent heavy-equipment Minor View →
CID-41-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 41 FMI 2 - Engine Overspeed: Data Erratic, Intermittent, or Incorrect heavy-equipment Critical View →
17-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 17 FMI 8 - Alternator (Battery Voltage) Abnormal Frequency/Pulse Width heavy-equipment Major View →
321-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 321 FMI 13 - Brake Oil Pressure (Low) Out of Calibration heavy-equipment Minor View →
CID-60-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 60 FMI 4 - EGR Valve Position: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
415-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 415 FMI 15 - Engine Oil Level (Low) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-23-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 23 FMI 8 - ECM Communication: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-193-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 193 FMI 4 - Work Tool Position: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-180-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 180 FMI 1 - Quick Coupler Switch: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
4-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 4 FMI 15 - Engine Coolant Temperature Sensor Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
61-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 61 FMI 15 - Alternator (Field Current) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-16-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 16 FMI 2 - Fuel Injector #2: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-197-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 197 FMI 6 - Work Tool Service Interval: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
415-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 415 FMI 5 - Engine Oil Level (Low) Current Below Normal/Open Circuit heavy-equipment Major View →
55-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 55 FMI 18 - Injection Actuation Pressure Control Valve (Current) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
78-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 3 - Engine Speed-Timing Sensor (Crankshaft) Voltage Above Normal/Shorted High heavy-equipment Major View →
401-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 401 FMI 3 - Alternator Not Charging Voltage Above Normal/Shorted High heavy-equipment Major View →
42-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 3 - Engine Oil Temperature Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-50-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 50 FMI 2 - Particulate Trap Differential Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
CID-22-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 22 FMI 4 - ECM Memory: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
200-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 200 FMI 17 - Engine Oil Pressure (Low) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
336-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 336 FMI 13 - Hydraulic Pump Pressure Sensor Out of Calibration heavy-equipment Minor View →
253-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 253 FMI 13 - Fuel Injector (Cylinder 3) Out of Calibration heavy-equipment Minor View →
381-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 381 FMI 15 - Engine Air Filter Restriction Switch Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-67-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 67 FMI 3 - Fan Drive Solenoid: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
481-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 5 - Hydraulic Filter Restriction Switch Current Below Normal/Open Circuit heavy-equipment Major View →
441-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 441 FMI 1 - Engine Warning Indicator Circuit Data Valid But Below Normal Range heavy-equipment Major View →
CID-155-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 155 FMI 4 - Theft Deterrent System: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
110-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 3 - Radiator Coolant Temperature Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-159-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 159 FMI 5 - Joystick Position #1: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-77-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 77 FMI 4 - Injection Actuation Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
CID-35-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 35 FMI 4 - Hydraulic Fan Solenoid: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
46-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 46 FMI 8 - ECM Connector (Rack Sensor) Abnormal Frequency/Pulse Width heavy-equipment Major View →
371-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 5 - Fuel Filter Differential Pressure Switch Current Below Normal/Open Circuit heavy-equipment Major View →
CID-107-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 107 FMI 5 - Fan Control Solenoid: Current Below Normal, or Open Circuit heavy-equipment Major View →