CAT Engine Fault Codes List: E1127 to SPN 105 FMI 15
Page 7 of 12 of the full CAT Engine fault code list (1,341 codes). Each entry is the code as the machine reports it and what the manufacturer data says it means.
CAT Engine codes E1127 to SPN 105 FMI 15
- E1127Low Fuel Filter (suction side) Intake Pressure
- E1129Fuel Filter (suction side) Restriction
- E1130High Intake Manifold #2 Air Is High" Temperature
- E1171Engine Idle Shutdown Occurred
- E1172Engine Idle Shutdown Pending
- E1190Low Aftertreatment Cooling Fan Speed
- E1217Delayed Engine Shutdown Override
- E1218High Unfiltered Fuel Pressure
- E1228High Intake Manifold Air Differential Temperature
- E1363Low Engine Cooling Fan Speed - least severe
- E1377Machine Disable Pending Due to Machine Security
- E15High Engine Coolant Temperature Derate
- E1569Low Electric Fuel Transfer Pump Outlet Pressure
- E164High Injector Actuation Pressure
- E172High Air Filter Restriction
- E194High Exhaust Temperature
- E197High Engine Oil Temperature
- E198Low Fuel Pressure
- E199Low Coolant Temperature
- E2089Oil Renewal System Cannot Operate - least severe
- E21High Exhaust Temperature Derate
- E2112Low Engine Coolant Pressure
- E2143Low Engine Coolant Level
- E2172Low Fuel Transfer Pump Inlet Pressure
- E232Water In Fuel Indicator : High - Least Severe (1)
- E233Low Engine Pre-Lube Pressure
- E245High Right Turbo Turbine Inlet Temperature
- E246High Left Turbo Turbine Inlet Temperature
- E25High Inlet Air Temperature Derate
- E268Unexpected Engine Shutdown
- E27High Inlet Air Temperature Warning
- E278High Exhaust Differential Temperature
- E279High Aftercooler Temperature Warning
- E321(3) High Right Exhaust Temperature
- E322High Left Exhaust Temperature
- E35Loss of Coolant Flow Warning
- E361High Engine Coolant Temperature
- E362Engine Overspeed
- E363High Fuel Supply Temperature
- E38Low Engine Coolant Temperature Warning
- E39Low Engine Oil Pressure Derate
- E390Fuel Filter Restriction
- E396High Fuel Rail Pressure
- E398Low Fuel Rail Pressure
- E441Idle Elevated to Increase Battery Voltage
- E539High Intake Manifold Air Temperature
- E540Low Engine Oil Refill Tank Level
- E56High Fuel Temperature Warning
- E563Low Engine Coolant Flow
- E583High Air Inlet #1 Differential Pressure
- E584High Engine Air Filter #2 Differential Pressure
- E585High Air Inlet #3 Differential Pressure
- E586High Air Inlet #4 Differential Pressure
- E59Low Engine Coolant Level Warning
- E593Aftertreatment Insufficient Temperature to Complete Regeneration
- E662High Engine Cooling Fan Speed
- E678Ground Level Shutdown
- E72Oil Level Low Mark
- E73Oil Filter Differential Pressure High
- E74Oil Filter Differential Pressure Very High
- E770High Fuel Rail Temperature
- E771High Aftercooler Temperature
- E775High Left Exhaust #2 Temperature
- E776High Right Exhaust #2 Temperature
- E9High Altitude Derate
- E94Axle Protection Derate
- E95Fuel Filter Restriction Warning
- E96High Fuel Pressure
- E98Engine Pre -lube Override
- E99Engine Oil Filter Restriction Warning
- FMI 2790 FMI 2Accelerator Pedal #2 Low Idle Switch : Erratic, Intermittent, or Incorrect
- FMI 3242 SPN 3Particulate Trap Intake Gas Temperature : Voltage Above Normal
- READ MEImportant Notes - Read Me
- SPN 100Engine Oil Pressure: Low- moderate severity
- SPN 100 FMI 1Engine Oil Pressure : Low - Most Severe (3)
- SPN 100 FMI 13Engine Oil Pressure : Out of Calibration
- SPN 100 FMI 15Low Engine Oil Pressure Warning
- SPN 100 FMI 17Engine Oil Pressure : Low - least severe (1)
- SPN 100 FMI 18Engine Oil Pressure : Low - Moderate Severity (2)
- SPN 100 FMI 2Engine Oil Pressure : Erratic, Intermittent, or Incorrect
- SPN 100 FMI 21Engine Oil Pressure : Data Drifted Low
- SPN 100 FMI 3Engine Oil Pressure Sensor : Voltage Above Normal
- SPN 100 FMI 4Engine Oil Pressure Sensor : Voltage Below Normal
- SPN 101High Crankcase Pressure - most severe
- SPN 101 FMI 13Engine Crankcase Pressure : Out of Calibration
- SPN 101 FMI 15Engine Crankcase Pressure : High - least severe
- SPN 101 FMI 16Engine Crankcase Pressure : High - moderate severity
- SPN 101 FMI 3Engine Crankcase Pressure : Voltage Above Normal
- SPN 101 FMI 4Engine Crankcase Pressure : Voltage Below Normal
- SPN 102 FMI 1Engine Intake Manifold #1 Pressure : Low - most severe
- SPN 102 FMI 16Engine Intake Manifold #1 Pressure : High - Moderate Severity (2)
- SPN 102 FMI 18Engine Intake Manifold #1 Pressure : Low - Moderate Severity (2)
- SPN 102 FMI 20Engine Intake Manifold #1 Pressure : Data Drifted High
- SPN 102 FMI 21Engine Intake Manifold #1 Pressure : Data Drifted Low
- SPN 102 FMI 3Engine Intake Manifold #1 Pressure : Voltage Above Normal
- SPN 102 FMI 4Engine Intake Manifold #1 Pressure : Voltage Below Normal
- SPN 1041 FMI 2Start Signal Indicator : Erratic, Intermittent, or Incorrect
- SPN 105Engine Intake Manifold #1 Temperature : High - Most Severe (3)
- SPN 105 FMIEngine Intake Manifold #1 Temperature : High - most severe
- SPN 105 FMI 15Engine Intake Manifold #1 Temperature : High - Least Severe (1)
Other Caterpillar machine types
Fault code lists by brand
- Volvo6,508 codes
- New Holland Tractor3,475 codes
- FPT3,033 codes
- Case IH2,992 codes
- Bobcat2,653 codes
- Challenger Tractor2,434 codes
- New Holland Combine2,274 codes
- John Deere Tractors1,884 codes
- Case Wheel Loader1,859 codes
- John Deere Engines1,853 codes
- Cummins1,847 codes
- Challenger Rubber Track Tractor1,747 codes
- Volvo Wheel Loader1,726 codes
- Deutz1,684 codes
Safety-critical: confirm before use
Safety first: park on level ground, stop the engine, and secure the machine before any inspection. Thresholds, component locations, wire numbers, fuse locations, and reset procedures can vary by model, configuration, and serial number. Confirm them in the service documentation for your exact machine.