Caterpillar Fault Codes

1,377 codes

Product Lines:

EMCP 4.2
Code Model Error / Alarm Category Severity Action
425-3 Caterpillar Heavy Equipment Caterpillar CID 425 FMI 3 - Hydraulic Oil Level (Low) Voltage Above Normal/Shorted High heavy-equipment Major View →
425-4 Caterpillar Heavy Equipment Caterpillar CID 425 FMI 4 - Hydraulic Oil Level (Low) Voltage Below Normal/Shorted Low heavy-equipment Major View →
425-6 Caterpillar Heavy Equipment Caterpillar CID 425 FMI 6 - Hydraulic Oil Level (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
425-8 Caterpillar Heavy Equipment Caterpillar CID 425 FMI 8 - Hydraulic Oil Level (Low) Abnormal Frequency/Pulse Width heavy-equipment Major View →
431-0 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 0 - Brake Fluid Level (Low) Data Valid But Above Normal Range heavy-equipment Major View →
431-1 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 1 - Brake Fluid Level (Low) Data Valid But Below Normal Range heavy-equipment Major View →
431-13 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 13 - Brake Fluid Level (Low) Out of Calibration heavy-equipment Minor View →
431-15 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 15 - Brake Fluid Level (Low) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
431-16 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 16 - Brake Fluid Level (Low) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
431-17 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 17 - Brake Fluid Level (Low) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
431-18 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 18 - Brake Fluid Level (Low) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
431-6 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 6 - Brake Fluid Level (Low) Current Above Normal/Grounded Circuit heavy-equipment Major View →
431-8 Caterpillar Heavy Equipment Caterpillar CID 431 FMI 8 - Brake Fluid Level (Low) Abnormal Frequency/Pulse Width heavy-equipment Major View →
44-0 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 0 - Engine Warning Indicator Data Valid But Above Normal Range heavy-equipment Major View →
44-1 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 1 - Engine Warning Indicator Data Valid But Below Normal Range heavy-equipment Major View →
44-13 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 13 - Engine Warning Indicator Out of Calibration heavy-equipment Minor View →
44-16 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 16 - Engine Warning Indicator Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
44-18 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 18 - Engine Warning Indicator Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
44-3 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 3 - Engine Warning Indicator Voltage Above Normal/Shorted High heavy-equipment Major View →
44-4 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 4 - Engine Warning Indicator Voltage Below Normal/Shorted Low heavy-equipment Major View →
44-5 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 5 - Engine Warning Indicator Current Below Normal/Open Circuit heavy-equipment Major View →
44-6 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 6 - Engine Warning Indicator Current Above Normal/Grounded Circuit heavy-equipment Major View →
44-8 Caterpillar Heavy Equipment Caterpillar CID 44 FMI 8 - Engine Warning Indicator Abnormal Frequency/Pulse Width heavy-equipment Major View →
441-1 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 1 - Engine Warning Indicator Circuit Data Valid But Below Normal Range heavy-equipment Major View →
441-13 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 13 - Engine Warning Indicator Circuit Out of Calibration heavy-equipment Minor View →
441-16 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 →
441-17 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 17 - Engine Warning Indicator Circuit Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
441-18 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 →
441-3 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 3 - Engine Warning Indicator Circuit Voltage Above Normal/Shorted High heavy-equipment Major View →
441-4 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 4 - Engine Warning Indicator Circuit Voltage Below Normal/Shorted Low heavy-equipment Major View →
441-6 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 6 - Engine Warning Indicator Circuit Current Above Normal/Grounded Circuit heavy-equipment Major View →
441-8 Caterpillar Heavy Equipment Caterpillar CID 441 FMI 8 - Engine Warning Indicator Circuit Abnormal Frequency/Pulse Width heavy-equipment Major View →
451-0 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 0 - Air Filter Restriction (High) Data Valid But Above Normal Range heavy-equipment Major View →
451-1 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 1 - Air Filter Restriction (High) Data Valid But Below Normal Range heavy-equipment Major View →
451-13 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 13 - Air Filter Restriction (High) Out of Calibration heavy-equipment Minor View →
451-15 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 15 - Air Filter Restriction (High) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
451-16 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 16 - Air Filter Restriction (High) Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
451-17 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 17 - Air Filter Restriction (High) Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
451-18 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 18 - Air Filter Restriction (High) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
451-2 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 2 - Air Filter Restriction (High) Data Erratic/Intermittent heavy-equipment Minor View →
451-6 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 6 - Air Filter Restriction (High) Current Above Normal/Grounded Circuit heavy-equipment Major View →
451-8 Caterpillar Heavy Equipment Caterpillar CID 451 FMI 8 - Air Filter Restriction (High) Abnormal Frequency/Pulse Width heavy-equipment Major View →
46-0 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 0 - ECM Connector (Rack Sensor) Data Valid But Above Normal Range heavy-equipment Major View →
46-13 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 13 - ECM Connector (Rack Sensor) Out of Calibration heavy-equipment Minor View →
46-15 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 15 - ECM Connector (Rack Sensor) Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
46-18 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 18 - ECM Connector (Rack Sensor) Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
46-2 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 2 - ECM Connector (Rack Sensor) Data Erratic/Intermittent heavy-equipment Minor View →
46-5 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 5 - ECM Connector (Rack Sensor) Current Below Normal/Open Circuit heavy-equipment Major View →
46-6 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 6 - ECM Connector (Rack Sensor) Current Above Normal/Grounded Circuit heavy-equipment Major View →
46-8 Caterpillar Heavy Equipment Caterpillar CID 46 FMI 8 - ECM Connector (Rack Sensor) Abnormal Frequency/Pulse Width heavy-equipment Major View →
461-0 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 0 - Fuel Water Separator Sensor Data Valid But Above Normal Range heavy-equipment Major View →
461-1 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 1 - Fuel Water Separator Sensor Data Valid But Below Normal Range heavy-equipment Major View →
461-16 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 16 - Fuel Water Separator Sensor Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
461-18 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 18 - Fuel Water Separator Sensor Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
461-2 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 2 - Fuel Water Separator Sensor Data Erratic/Intermittent heavy-equipment Minor View →
461-3 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 3 - Fuel Water Separator Sensor Voltage Above Normal/Shorted High heavy-equipment Major View →
461-5 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 5 - Fuel Water Separator Sensor Current Below Normal/Open Circuit heavy-equipment Major View →
461-8 Caterpillar Heavy Equipment Caterpillar CID 461 FMI 8 - Fuel Water Separator Sensor Abnormal Frequency/Pulse Width heavy-equipment Major View →
471-13 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 13 - Engine Over-speed Protection Out of Calibration heavy-equipment Minor View →
471-15 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 15 - Engine Over-speed Protection Data Valid But Above Normal Operating Range (Least Severe) heavy-equipment Info View →
471-17 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 17 - Engine Over-speed Protection Data Valid But Below Normal Operating Range (Least Severe) heavy-equipment Info View →
471-18 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 18 - Engine Over-speed Protection Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
471-3 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 3 - Engine Over-speed Protection Voltage Above Normal/Shorted High heavy-equipment Major View →
471-4 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 4 - Engine Over-speed Protection Voltage Below Normal/Shorted Low heavy-equipment Major View →
471-5 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 5 - Engine Over-speed Protection Current Below Normal/Open Circuit heavy-equipment Major View →
471-6 Caterpillar Heavy Equipment Caterpillar CID 471 FMI 6 - Engine Over-speed Protection Current Above Normal/Grounded Circuit heavy-equipment Major View →
481-0 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 0 - Hydraulic Filter Restriction Switch Data Valid But Above Normal Range heavy-equipment Major View →
481-1 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 1 - Hydraulic Filter Restriction Switch Data Valid But Below Normal Range heavy-equipment Major View →
481-13 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 13 - Hydraulic Filter Restriction Switch Out of Calibration heavy-equipment Minor View →
481-15 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 →
481-16 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 16 - Hydraulic Filter Restriction Switch Data Valid But Above Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
481-18 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 18 - Hydraulic Filter Restriction Switch Data Valid But Below Normal Operating Range (Moderately Severe) heavy-equipment Minor View →
481-2 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 2 - Hydraulic Filter Restriction Switch Data Erratic/Intermittent heavy-equipment Minor View →
481-3 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 3 - Hydraulic Filter Restriction Switch Voltage Above Normal/Shorted High heavy-equipment Major View →
481-4 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 4 - Hydraulic Filter Restriction Switch Voltage Below Normal/Shorted Low heavy-equipment Major View →
481-5 Caterpillar Heavy Equipment Caterpillar CID 481 FMI 5 - Hydraulic Filter Restriction Switch Current Below Normal/Open Circuit heavy-equipment Major View →
491-0 Caterpillar Heavy Equipment Caterpillar CID 491 FMI 0 - Transmission Filter Bypass Switch Data Valid But Above Normal Range heavy-equipment Major View →