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-187-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 187 FMI 6 - Attachment Direction: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
94-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 94 FMI 17 - Engine Speed-Timing Sensor (Injection Pump) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
281-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 281 FMI 17 - Transmission Speed Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-48-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 48 FMI 6 - Exhaust Gas Temperature Bank 1: Current Above Normal, or Grounded Circuit heavy-equipment Major View →
281-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 281 FMI 6 - Transmission Speed Sensor Current Above Normal/Grounded Circuit heavy-equipment Major View →
42-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 1 - Engine Oil Temperature Sensor Data Valid But Below Normal Range heavy-equipment Major View →
251-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 251 FMI 1 - Fuel Injector (Cylinder 1) Data Valid But Below Normal Range heavy-equipment Major View →
17-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 17 FMI 2 - Alternator (Battery Voltage) Data Erratic/Intermittent heavy-equipment Minor View →
CID-175-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 175 FMI 0 - Hammer Mode Switch: Data Valid But Above Normal Operational Range heavy-equipment Minor View →
CID-178-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 178 FMI 4 - Thumb Mode Switch: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-16-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 16 FMI 4 - Fuel Injector #2: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
52-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 18 - Injection Actuation Pressure Sensor (Rail) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
31-8 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 31 FMI 8 - Engine Speed-Timing Sensor (Secondary) Abnormal Frequency/Pulse Width heavy-equipment Major View →
CID-127-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 127 FMI 2 - Boom Cylinder Rod Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
CID-8-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 8 FMI 4 - Intake Manifold Pressure: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
200-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 200 FMI 15 - Engine Oil Pressure (Low) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-40-FMI-0 Caterpillar CAT Electronic Control Module Caterpillar CID 40 FMI 0 - Engine Protection Override: Data Valid But Above Normal Operational Range heavy-equipment Critical View →
82-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 82 FMI 17 - Throttle Position Sensor (PWM) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
20-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 16 - Injection Actuation Pressure Control Valve Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
227-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 227 FMI 1 - Injection Actuation Pressure (Low) Data Valid But Below Normal Range heavy-equipment Major View →
415-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 415 FMI 2 - Engine Oil Level (Low) Data Erratic/Intermittent heavy-equipment Minor View →
CID-196-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 196 FMI 4 - Work Tool Hour Meter: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-92-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 92 FMI 5 - Total Tattletale: Current Below Normal, or Open Circuit heavy-equipment Minor View →
172-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 172 FMI 2 - Fuel Injection Actuation Pressure (High) Data Erratic/Intermittent heavy-equipment Minor View →
CID-145-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 145 FMI 3 - Machine Pitch Angle: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
41-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 41 FMI 16 - Air Inlet Heater Relay Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
431-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 431 FMI 6 - Brake Fluid Level (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
CID-174-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 174 FMI 13 - Auto Grade Switch: Out of Calibration heavy-equipment Minor View →
CID-117-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 117 FMI 5 - Swing Brake Oil Pressure: Current Below Normal, or Open Circuit heavy-equipment Major View →
20-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 0 - Injection Actuation Pressure Control Valve Data Valid But Above Normal Range heavy-equipment Major View →
CID-200-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 200 FMI 3 - Work Tool Calibration: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
37-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 37 FMI 5 - Crankcase Pressure Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
CID-122-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 122 FMI 2 - Fan Pump Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
281-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 281 FMI 5 - Transmission Speed Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
461-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 461 FMI 5 - Fuel Water Separator Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
20-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 20 FMI 18 - Injection Actuation Pressure Control Valve Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
1-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 1 FMI 16 - Mechanical Engine Speed Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-49-FMI-13 Caterpillar CAT Electronic Control Module Caterpillar CID 49 FMI 13 - Exhaust Gas Temperature Bank 2: Out of Calibration heavy-equipment Major View →
CID-26-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 26 FMI 2 - Sensor Supply Voltage 8V: Data Erratic, Intermittent, or Incorrect heavy-equipment Major View →
261-6 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 261 FMI 6 - Fuel Pressure (High) Current Above Normal/Grounded Circuit heavy-equipment Major View →
91-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 91 FMI 5 - Injection Actuation Pressure Control Valve (Open) Current Below Normal/Open Circuit heavy-equipment Major View →
172-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 172 FMI 0 - Fuel Injection Actuation Pressure (High) Data Valid But Above Normal Range heavy-equipment Major View →
CID-164-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 164 FMI 6 - Pedal Position #2: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
CID-191-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 191 FMI 5 - Work Tool Direction: Current Below Normal, or Open Circuit heavy-equipment Minor View →
CID-154-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 154 FMI 4 - Remote Shutdown Command: Voltage Below Normal, or Shorted to Low Source heavy-equipment Critical View →
CID-101-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 101 FMI 5 - Percent Engine Load: Current Below Normal, or Open Circuit heavy-equipment Minor View →
5-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 5 FMI 16 - Inlet Manifold Air Temperature Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
254-15 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 254 FMI 15 - Fuel Injector (Cylinder 4) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
CID-20-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 20 FMI 4 - Fuel Injector #6: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
93-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 93 FMI 1 - Fuel Injection Pump Solenoid Data Valid But Below Normal Range heavy-equipment Major View →
341-17 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 341 FMI 17 - Brake Fluid Level Sensor Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
431-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 431 FMI 1 - Brake Fluid Level (Low) Data Valid But Below Normal Range heavy-equipment Major View →
256-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 256 FMI 2 - Fuel Injector (Cylinder 6) Data Erratic/Intermittent heavy-equipment Minor View →
42-2 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 42 FMI 2 - Engine Oil Temperature Sensor Data Erratic/Intermittent heavy-equipment Minor View →
481-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 3 - Hydraulic Filter Restriction Switch Voltage Above Normal/Shorted High heavy-equipment Major View →
52-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 52 FMI 16 - Injection Actuation Pressure Sensor (Rail) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-139-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 139 FMI 6 - Left Track Position Sensor: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
481-4 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 4 - Hydraulic Filter Restriction Switch Voltage Below Normal/Shorted Low heavy-equipment Major View →
CID-185-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 185 FMI 4 - Attachment Flow: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
CID-131-FMI-3 Caterpillar CAT Electronic Control Module Caterpillar CID 131 FMI 3 - Bucket Cylinder Rod Pressure: Voltage Above Normal, or Shorted to High Source heavy-equipment Minor View →
27-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 27 FMI 16 - Atmospheric Pressure Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-120-FMI-2 Caterpillar CAT Electronic Control Module Caterpillar CID 120 FMI 2 - Implement Pump Pressure: Data Erratic, Intermittent, or Incorrect heavy-equipment Minor View →
71-18 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 71 FMI 18 - Fuel Injection Quantity Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
111-3 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 111 FMI 3 - Battery Voltage Voltage Above Normal/Shorted High heavy-equipment Major View →
CID-93-FMI-5 Caterpillar CAT Electronic Control Module Caterpillar CID 93 FMI 5 - Trip Tattletale: Current Below Normal, or Open Circuit heavy-equipment Minor View →
4-0 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 4 FMI 0 - Engine Coolant Temperature Sensor Data Valid But Above Normal Range heavy-equipment Major View →
351-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 351 FMI 16 - Radiator Coolant Pressure Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
190-16 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 190 FMI 16 - Engine Speed (RPM) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
CID-54-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 54 FMI 4 - SCR Catalyst Temperature: Voltage Below Normal, or Shorted to Low Source heavy-equipment Major View →
CID-19-FMI-8 Caterpillar CAT Electronic Control Module Caterpillar CID 19 FMI 8 - Fuel Injector #5: Abnormal Frequency, Pulse Width, or Period heavy-equipment Major View →
CID-106-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 106 FMI 1 - Desired Fan Speed: Data Valid But Below Normal Operational Range heavy-equipment Minor View →
CID-10-FMI-1 Caterpillar CAT Electronic Control Module Caterpillar CID 10 FMI 1 - Coolant Loss: Data Valid But Below Normal Operational Range heavy-equipment Major View →
CID-7-FMI-6 Caterpillar CAT Electronic Control Module Caterpillar CID 7 FMI 6 - Intake Manifold Air Temperature: Current Above Normal, or Grounded Circuit heavy-equipment Minor View →
6-13 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 6 FMI 13 - Engine Speed-Timing Sensor (Duty Cycle) Out of Calibration heavy-equipment Minor View →
190-5 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 190 FMI 5 - Engine Speed (RPM) Current Below Normal/Open Circuit heavy-equipment Major View →
CID-164-FMI-4 Caterpillar CAT Electronic Control Module Caterpillar CID 164 FMI 4 - Pedal Position #2: Voltage Below Normal, or Shorted to Low Source heavy-equipment Minor View →
481-1 Caterpillar Caterpillar Heavy Equipment Caterpillar CID 481 FMI 1 - Hydraulic Filter Restriction Switch Data Valid But Below Normal Range heavy-equipment Major View →