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-148-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 148 FMI 3 - GPS Position Longitude: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
461-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 461 FMI 2 - Fuel Water Separator Sensor Data Erratic/Intermittent heavy-equipment Minor View →
401-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 401 FMI 18 - Alternator Not Charging Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-39-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 39 FMI 13 - Glow Plug Relay: Out of Calibration heavy-equipment Major View →
CID-159-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 159 FMI 8 - Joystick Position #1: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-187-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 187 FMI 2 - Attachment Direction: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
70-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 70 FMI 0 - Injection Actuation Pressure Sensor (Open) Data Valid But Above Normal Range heavy-equipment Major View →
CID-167-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 167 FMI 2 - Travel Mode Switch: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
27-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 27 FMI 6 - Atmospheric Pressure Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
70-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 70 FMI 15 - Injection Actuation Pressure Sensor (Open) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
371-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 371 FMI 13 - Fuel Filter Differential Pressure Switch Out of Calibration heavy-equipment Minor View →
94-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 94 FMI 18 - Engine Speed-Timing Sensor (Injection Pump) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-166-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 166 FMI 2 - Work Mode Switch: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-11-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 11 FMI 1 - Throttle Position: Data Valid But Below Normal Operational Range heavy-equipment Major View →
441-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 441 FMI 18 - Engine Warning Indicator Circuit Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-63-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 63 FMI 6 - EGR Cooler Efficiency: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-126-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 126 FMI 5 - Boom Cylinder Head Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
61-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 61 FMI 2 - Alternator (Field Current) Data Erratic/Intermittent heavy-equipment Minor View →
256-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 256 FMI 13 - Fuel Injector (Cylinder 6) Out of Calibration heavy-equipment Minor View →
37-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 37 FMI 16 - Crankcase Pressure Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
421-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 421 FMI 15 - Transmission Oil Level (Low) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
52-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 3 - Injection Actuation Pressure Sensor (Rail) Voltage Above Normal/Shorted High heavy-equipment Major View →
44-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 44 FMI 5 - Engine Warning Indicator Current Below Normal/Open Circuit heavy-equipment Major View →
CID-59-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 59 FMI 4 - DEF Injector: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
425-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 1 - Hydraulic Oil Level (Low) Data Valid But Below Normal Range heavy-equipment Major View →
CID-193-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 193 FMI 8 - Work Tool Position: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-58-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 58 FMI 3 - DEF Pump: Voltage Above Normal, or Shorted to High Source heavy-equipment Major View →
491-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 491 FMI 13 - Transmission Filter Bypass Switch Out of Calibration heavy-equipment Minor View →
52-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 2 - Injection Actuation Pressure Sensor (Rail) Data Erratic/Intermittent heavy-equipment Minor View →
CID-69-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 69 FMI 13 - Fuel Level: Out of Calibration heavy-equipment Minor View →
CID-35-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 35 FMI 0 - Hydraulic Fan Solenoid: Data Valid But Above Normal Operational Range heavy-equipment Major View →
CID-186-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 186 FMI 4 - Attachment Speed: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-56-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 56 FMI 4 - DEF Tank Level: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
241-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 241 FMI 2 - Engine Speed-Timing Sensor (Camshaft) Data Erratic/Intermittent heavy-equipment Minor View →
82-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 82 FMI 3 - Throttle Position Sensor (PWM) Voltage Above Normal/Shorted High heavy-equipment Major View →
425-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 425 FMI 13 - Hydraulic Oil Level (Low) Out of Calibration heavy-equipment Minor View →
CID-38-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 38 FMI 4 - Starter Relay: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-145-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 145 FMI 4 - Machine Pitch Angle: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-34-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 34 FMI 6 - Hydraulic Oil Filter: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
441-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 441 FMI 16 - Engine Warning Indicator Circuit Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
441-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 441 FMI 4 - Engine Warning Indicator Circuit Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-12-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 12 FMI 6 - Boost Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-183-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 183 FMI 5 - Attachment Identification: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-133-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 133 FMI 6 - Left Travel Motor Pressure: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
251-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 251 FMI 2 - Fuel Injector (Cylinder 1) Data Erratic/Intermittent heavy-equipment Minor View →
291-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 291 FMI 5 - Transmission Temperature Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
CID-165-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 165 FMI 2 - Auto Idle Switch: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
241-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 241 FMI 13 - Engine Speed-Timing Sensor (Camshaft) Out of Calibration heavy-equipment Minor View →
CID-184-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 184 FMI 13 - Attachment Pressure: Out of Calibration heavy-equipment Minor View →
CID-28-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 28 FMI 6 - Transmission Output Speed: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-144-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 144 FMI 13 - Swing Angle: Out of Calibration heavy-equipment Minor View →
78-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 13 - Engine Speed-Timing Sensor (Crankshaft) Out of Calibration heavy-equipment Minor View →
68-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 68 FMI 8 - Turbocharger Compressor Outlet Temperature Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-192-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 192 FMI 5 - Work Tool Angle: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-138-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 138 FMI 5 - Swing Position Sensor: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-190-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 190 FMI 2 - Work Tool Speed: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
11-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 11 FMI 13 - Throttle Position Sensor Out of Calibration heavy-equipment Minor View →
93-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 93 FMI 15 - Fuel Injection Pump Solenoid Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-1-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 1 FMI 1 - Engine Oil Pressure: Data Valid But Below Normal Operational Range heavy-equipment Major View →
41-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 41 FMI 15 - Air Inlet Heater Relay Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
252-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 252 FMI 18 - Fuel Injector (Cylinder 2) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
70-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 70 FMI 4 - Injection Actuation Pressure Sensor (Open) Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-165-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 165 FMI 0 - Auto Idle Switch: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
CID-188-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 188 FMI 5 - Work Tool Pump Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-136-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 136 FMI 2 - Stick Position Sensor: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-2-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 2 FMI 4 - Engine Coolant Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
481-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 15 - Hydraulic Filter Restriction Switch Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-87-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 87 FMI 4 - Cylinder Cutout #4: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
70-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 70 FMI 18 - Injection Actuation Pressure Sensor (Open) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-32-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 32 FMI 5 - Brake Oil Pressure: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-131-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 131 FMI 2 - Bucket Cylinder Rod Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-24-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 24 FMI 6 - CAN Data Link: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-169-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 169 FMI 5 - Precision Mode Switch: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-162-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 162 FMI 5 - Joystick Position #4: Current Below Normal, or Open Circuit heavy-equipment Minor View →
27-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 27 FMI 13 - Atmospheric Pressure Sensor Out of Calibration heavy-equipment Minor View →
CID-34-FMI-4 Caterpillar 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-143-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 143 FMI 5 - Bucket Angle: Current Below Normal, or Open Circuit heavy-equipment Minor View →