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-152-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 152 FMI 2 - GPS Satellites: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-22-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 22 FMI 2 - ECM Memory: Data Erratic, Intermittent, or Incorrect heavy-equipment Critical View →
CID-147-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 147 FMI 5 - GPS Position Latitude: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID 190-08 Caterpillar Caterpillar C15 Engine Engine Speed Signal - Abnormal/Signal Lost heavy-equipment Critical View →
CID 248-06 Caterpillar Caterpillar 320D Excavator ECM Power Supply - Voltage Unstable heavy-equipment Warning View →
CID 589-08 Caterpillar Caterpillar 320D Excavator GPS Communication Module - Signal Lost/Invalid heavy-equipment Warning View →
CID 168-02 Caterpillar Caterpillar 320D Excavator Fuel Water Separator - Water Detected heavy-equipment Warning View →
SPN 94-FMI 1 Caterpillar Caterpillar C9 Engine Fuel Delivery Pressure - Below Normal heavy-equipment Warning View →
SPN 3055-FMI 1 Caterpillar Caterpillar C9 Engine DPF Differential Pressure - High heavy-equipment Warning View →
SPN 3719-FMI 0 Caterpillar Caterpillar C9 Engine SCR System - Malfunction/Derate Active heavy-equipment Critical View →
SPN 5246-FMI 0 Caterpillar Caterpillar C9 Engine DEF Inducement/Derate - Active heavy-equipment Critical View →
CID-194-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 194 FMI 5 - Work Tool Load: Current Below Normal, or Open Circuit heavy-equipment Minor View →
78-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 2 - Engine Speed-Timing Sensor (Crankshaft) Data Erratic/Intermittent heavy-equipment Minor View →
58-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 58 FMI 13 - Analog Temperature Sensor Out of Calibration heavy-equipment Minor View →
314-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 314 FMI 15 - Hydraulic Oil Filter Bypass Switch Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
271-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 271 FMI 5 - Transmission Oil Pressure Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
CID-24-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 24 FMI 5 - CAN Data Link: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-137-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 137 FMI 5 - Bucket Position Sensor: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-98-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 98 FMI 5 - Trip Idle Fuel Used: Current Below Normal, or Open Circuit heavy-equipment Minor View →
58-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 58 FMI 17 - Analog Temperature Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-31-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 31 FMI 2 - Steering Oil Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
40-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 40 FMI 18 - Engine Oil Level Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
351-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 351 FMI 8 - Radiator Coolant Pressure Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →
351-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 351 FMI 1 - Radiator Coolant Pressure Sensor Data Valid But Below Normal Range heavy-equipment Major View →
51-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 51 FMI 16 - Engine Speed-Timing Sensor (Rack Position) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
40-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 40 FMI 0 - Engine Oil Level Sensor Data Valid But Above Normal Range heavy-equipment Major View →
111-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 111 FMI 4 - Battery Voltage Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-54-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 54 FMI 6 - SCR Catalyst Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
CID-113-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 113 FMI 8 - Axle Oil Temperature: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
CID-37-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 37 FMI 5 - Alternator Output: Current Below Normal, or Open Circuit heavy-equipment Major View →
CID-170-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 170 FMI 4 - Cruise Control Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
271-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 271 FMI 1 - Transmission Oil Pressure Sensor Data Valid But Below Normal Range heavy-equipment Major View →
2-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 2 FMI 18 - Engine Speed-Timing Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
20-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 6 - Injection Actuation Pressure Control Valve Current Above Normal/Grounded Circuit heavy-equipment Major View →
40-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 40 FMI 5 - Engine Oil Level Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
70-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 70 FMI 13 - Injection Actuation Pressure Sensor (Open) Out of Calibration heavy-equipment Minor View →
411-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 411 FMI 13 - Radiator Coolant Level (Low) Out of Calibration heavy-equipment Minor View →
91-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 91 FMI 8 - Injection Actuation Pressure Control Valve (Open) Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-14-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 14 FMI 13 - Fuel Rail Pressure: Out of Calibration heavy-equipment Critical View →
251-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 251 FMI 15 - Fuel Injector (Cylinder 1) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
82-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 82 FMI 15 - Throttle Position Sensor (PWM) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-159-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 159 FMI 6 - Joystick Position #1: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
52-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 15 - Injection Actuation Pressure Sensor (Rail) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-84-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 84 FMI 4 - Cylinder Cutout #1: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
381-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 381 FMI 5 - Engine Air Filter Restriction Switch Current Below Normal/Open Circuit heavy-equipment Major View →
441-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 441 FMI 6 - Engine Warning Indicator Circuit Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-152-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 152 FMI 6 - GPS Satellites: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
110-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 4 - Radiator Coolant Temperature Sensor Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-62-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 62 FMI 5 - EGR Differential Pressure: Current Below Normal, or Open Circuit heavy-equipment Major View →
411-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 411 FMI 16 - Radiator Coolant Level (Low) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
100-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 100 FMI 17 - Engine Controller (ECM) Power Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
481-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 0 - Hydraulic Filter Restriction Switch Data Valid But Above Normal Range heavy-equipment Major View →
481-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 2 - Hydraulic Filter Restriction Switch Data Erratic/Intermittent heavy-equipment Minor View →
CID-108-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 108 FMI 5 - Engine Oil Filter Differential Pressure: Current Below Normal, or Open Circuit heavy-equipment Minor View →
94-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 94 FMI 0 - Engine Speed-Timing Sensor (Injection Pump) Data Valid But Above Normal Range heavy-equipment Major View →
252-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 252 FMI 1 - Fuel Injector (Cylinder 2) Data Valid But Below Normal Range heavy-equipment Major View →
61-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 61 FMI 8 - Alternator (Field Current) Abnormal Frequency/Pulse Width heavy-equipment Major View →
35-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 35 FMI 4 - Radiator Coolant Level Sensor Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-60-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 60 FMI 1 - EGR Valve Position: Data Valid But Below Normal Operational Range heavy-equipment Major View →
20-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 15 - Injection Actuation Pressure Control Valve Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
491-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 491 FMI 0 - Transmission Filter Bypass Switch Data Valid But Above Normal Range heavy-equipment Major View →
110-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 6 - Radiator Coolant Temperature Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
256-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 256 FMI 15 - Fuel Injector (Cylinder 6) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
321-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 321 FMI 6 - Brake Oil Pressure (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
271-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 271 FMI 4 - Transmission Oil Pressure Sensor Voltage Below Normal/Shorted Low heavy-equipment Major View →
314-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 314 FMI 0 - Hydraulic Oil Filter Bypass Switch Data Valid But Above Normal Range heavy-equipment Major View →
CID-180-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 180 FMI 4 - Quick Coupler Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-59-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 59 FMI 13 - DEF Injector: Out of Calibration heavy-equipment Major View →
10-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 10 FMI 2 - Fuel Pressure Sensor Data Erratic/Intermittent heavy-equipment Minor View →
256-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 256 FMI 4 - Fuel Injector (Cylinder 6) Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-149-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 149 FMI 8 - GPS Altitude: Abnormal Frequency, Pulse Width, or Period heavy-equipment Minor View →
42-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 6 - Engine Oil Temperature Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
10-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 10 FMI 3 - Fuel Pressure Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-104-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 104 FMI 13 - Actual Engine Torque: Out of Calibration heavy-equipment Minor View →
78-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 78 FMI 15 - Engine Speed-Timing Sensor (Crankshaft) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
110-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 110 FMI 8 - Radiator Coolant Temperature Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →
38-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 38 FMI 8 - Fuel Temperature Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →