Cummins ISX Engine Fault Codes for the CM871 ECM (2007-2010 Engines)
After treatment repairs can be costly. It is important to diagnose correctly to find the ROOT cause of the problem. Preventative maintenance is important, keep your DEF reservoir tank clean and test your fluid.
Fault Code 3582
(Codes 100-500)
111 Engine Control Module Critical Internal Failure – Bad Intelligent Device or Component
115 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect
122 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
123 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
125 Intake Manifold 1 Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
131 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
132 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
133 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
134 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
135 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source
141 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source
143 Engine Oil Rifle Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
144 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source
145 Engine Coolant Temperature 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source
146 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
151 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Most Severe Level
153 Intake Manifold 1 Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
154 Intake Manifold 1 Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
155 Intake Manifold 1 Temperature – Data Valid But Above Normal Operating Range – Most Severe Level
187 ism Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source
187 isx Sensor Supply 2 Circuit – Voltage Below Normal or Shorted to Low Source
195 Coolant Level Sensor 1 Circuit – Choice
195-2wire Coolant Level Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
195-3wire Coolant Level Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
196 Coolant Level Sensor 1 Circuit – Choice
196-2wire Coolant Level Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
196-3wire Coolant Level Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
197 Coolant Level – Data Valid But Below Normal Operating Range – Moderately Severe Level
212 Engine Oil Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
213 Engine Oil Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
214 Engine Oil Temperature High – Data Valid But Above Normal Operating Range – Most Severe Level
221 Barometric Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
222 Barometric Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
227 Sensor Supply 2 Circuit – Voltage Above Normal or Shorted to High Source
234 Engine Crankshaft Speed/Position – Data Valid But Above Normal Operating Range – Most Severe Level
238 Sensor Supply 3 Circuit – Voltage Below Normal or Shorted to Low Source
241 Wheel-Based Vehicle Speed – Data Erratic, Intermittent, or Incorrect
242 Wheel-Based Vehicle Speed Sensor Circuit Tampering Has Been Detected – Abnormal Rate of Change
245 Fan Control Circuit – Voltage Below Normal or Shorted to Low Source
249 Ambient Air Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
254 Engine Fuel Shutoff Valve Driver Circuit – Voltage Below Normal or Shorted to Low Source
255 Engine Fuel Shutoff Valve Driver Circuit – Voltage Above Normal or Shorted to High Source
256 Ambient Air Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
257 Engine Fuel Shutoff Valve Driver – Choice
257ism Engine Fuel Shutoff Valve Driver – Mechanical System Not Responding Properly or Out of Adjustment
257isx Engine Fuel Shutoff Valve Driver – Mechanical System Not Responding Properly or Out of Adjustment
263 Engine Fuel Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source
265 Engine Fuel Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source
285 SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate
286 SAE J1939 Multiplexing Configuration Error – Out of Calibration
287 SAE J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Received Network Data in Error
288 SAE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System – Received Network Data in Error
295 Barometric Pressure – Data Erratic, Intermittent, or Incorrect
311 Injector Solenoid Driver Cylinder 1 Circuit – Current Above Normal or Grounded Circuit
312 Injector Solenoid Driver Cylinder 5 Circuit – Current Above Normal or Grounded Circuit
313 Injector Solenoid Driver Cylinder 3 Circuit – Current Above Normal or Grounded Circuit
314 Injector Solenoid Driver Cylinder 6 Circuit – Current Above Normal or Grounded Circuit
315 Injector Solenoid Driver Cylinder 2 Circuit – Current Above Normal or Grounded Circuit
319 Real Time Clock Power Interrupt – Data Erratic, Intermittent, or Incorrect
321 Injector Solenoid Driver Cylinder 4 Circuit – Current Above Normal or Grounded Circuit
322 Injector Solenoid Driver Cylinder 1 Circuit – Current Below Normal or Open Circuit
323 Injector Solenoid Driver Cylinder 5 Circuit – Current Below Normal or Open Circuit
324 Injector Solenoid Driver Cylinder 3 Circuit – Current Below Normal or Open Circuit
325 Injector Solenoid Driver Cylinder 6 Circuit – Current Below Normal or Open Circuit
331 Injector Solenoid Driver Cylinder 2 Circuit – Current Below Normal or Open Circuit
332 Injector Solenoid Driver Cylinder 4 Circuit – Current Below Normal or Open Circuit
338 Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Above Normal or Shorted to High Source
339 Idle Shutdown Vehicle Accessories Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source
343 Engine Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component
346 Engine Control Module Calibration Memory Software – Bad Intelligent Device or Component
351 Injector Power Supply – Bad Intelligent Device or Component
352 Sensor Supply 1 Circuit – Voltage Below Normal or Shorted to Low Source
386 Sensor Supply 1 Circuit – Voltage Above Normal or Shorted to High Source
415 Engine Oil Rifle Pressure – Data Valid But Below Normal Operating Range – Most Severe Level
418 Water in Fuel Indicator – Data Valid But Above Normal Operating Range – Least Severe Level
421 Engine Oil Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
427 SAE J1939 Data Link – Abnormal Update Rate
428 Water in Fuel Indicator Sensor Circuit – Voltage Above Normal or Shorted to High Source
429 Water in Fuel Indicator Sensor Circuit – Voltage Below Normal or Shorted to Low Source
435 Engine Oil Rifle Pressure – Data Erratic, Intermittent, or Incorrect
441 Battery 1 Voltage – Data Valid But Below Normal Operating Range – Moderately Severe Level
442 Battery 1 Voltage – Data Valid But Above Normal Operating Range – Moderate
482 Fuel Pressure Low – Data Valid But Below Normal Operating Range – Moderately Severe Level
Cummins ISX Engine Fault Codes
(Codes 501-999)
546 Fuel Delivery Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
547 Fuel Delivery Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
555 Crankcase Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
556 Crankcase Pressure – Data Valid But Above Normal Operating Range – Most Severe Level
584 Starter Relay Driver Circuit – Voltage Above Normal or Shorted to High Source
585 Starter Relay Driver Circuit – Voltage Below Normal or Shorted to Low Source
596 Electrical Charging System Voltage – Data Valid But Above Normal Operating Range – Moderately Severe Level
597 Electrical Charging System Voltage – Data Valid But Below Normal Operating Range – Moderately Severe Level
598 Electrical Charging System Voltage – Data Valid But Below Normal Operating Range – Most Severe Level
629 Turbocharger 1 Compressor Intake Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
649 Engine Oil Change Interval – Condition Exists
686 Turbocharger 1 Speed – Data Erratic, Intermittent, or Incorrect
687 Turbocharger 1 Speed – Data Valid But Below Normal Operating Range – Moderately Severe Level
689 Engine Crankshaft Speed/Position – Choice
689ism Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect
689isx Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect
691 Turbocharger 1 Compressor Intake Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
692 Turbocharger 1 Compressor Intake Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
697 ECM Internal Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
698 ECM Internal Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
731 Engine Speed/Position Camshaft and Crankshaft Misalignment – Mechanical System Not Responding Properly or Out of Adjustment
778 Engine Camshaft Speed/Position Sensor – Choice
778ism Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect
778isx Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect
784 Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect
Cummins ISX Engine Fault Codes
(Codes 1000-1499)
1117 Power Supply Lost With Ignition ON – Data Erratic, Intermittent, or Incorrect
1239 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Above Normal or Shorted to High Source
1241 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Below Normal or Shorted to Low Source
1242 Accelerator Pedal or Lever Position Sensor 1 and 2 – Data Erratic, Intermittent, or Incorrect
Cummins ISX Engine Fault Codes
(Codes 1500-1999)
1663 Aftertreatment Exhaust Gas Temperature 1 Swapped – Condition Exists
1664 Catalyst Missing – Condition Exists
1665 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Below Normal or Shorted to Low Source
1666 Aftertreatment Exhaust Gas Temperature 1 Circuit – Voltage Above Normal or Shorted to High Source
1667 Aftertreatment Exhaust Gas Temperature 1 – Data Erratic, Intermittent, or Incorrect
1674 Aftertreatment Exhaust Gas Temperature 2 Circuit – Voltage Below Normal or Shorted to Low Source
1675 Aftertreatment Exhaust Gas Temperature 2 Circuit – Voltage Above Normal or Shorted to High Source
1676 Aftertreatment Exhaust Gas Temperature 2 – Data Erratic, Intermittent, or Incorrect
1691 Catalyst Efficiency – Out of Calibration
1695 Sensor Supply 5 – Voltage Above Normal or Shorted to High Source
1696 Sensor Supply 5 – Voltage Below Normal or Shorted to Low Source
1843 Crankcase Pressure Circuit – Voltage Above Normal or Shorted to High Source
1844 Crankcase Pressure Circuit – Voltage Below Normal or Shorted to Low Source
1866 Exhaust Gas Recirculation Valve Delta Pressure – Data Erratic, Intermittent, or Incorrect
1876 Aftertreatment Exhaust Gas Temperature 3 Circuit – Voltage Above Normal or Shorted to High Source
1877 Aftertreatment Exhaust Gas Temperature 3 Circuit – Voltage Below Normal or Shorted to Low Source
1878 Aftertreatment Exhaust Gas Temperature 3 – Data Erratic, Intermittent, or Incorrect
1879 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
1881 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
1883 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor – Data Erratic, Intermittent, or Incorrect
1893 EGR Valve Control Circuit – Abnormal Update Rate
1895 EGR Valve Controller – Bad Intelligent Device or Component
1896 EGR Valve Controller – Out of Calibration
1899 Exhaust Gas Recirculation Valve Delta Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
1921 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
1922 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Most Severe Level
1923 Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Above Normal or Shorted to High Source
1924 Aftertreatment Fuel Shutoff Valve 1 Circuit – Voltage Below Normal or Shorted to Low Source
1925 Aftertreatment Fuel Shutoff Valve 1 – Choice
1925ism Aftertreatment Fuel Shutoff Valve 1 – Data Erratic, Intermittent, or Incorrect
1925isx Aftertreatment Fuel Shutoff Valve 1 – Data Erratic, Intermittent, or Incorrect
1926 Aftertreatment Fuel Pressure Sensor – Data Erratic, Intermittent, or Incorrect
1927 Aftertreatment Fuel Pressure Sensor – Voltage Above Normal or Shorted to High Source
1928 Aftertreatment Fuel Pressure Sensor – Voltage Below Normal or Shorted to Low Source
1932 Aftertreatment Fuel Injection System – Data Erratic, Intermittent, or Incorrect
1933 ECU Power Output Supply Voltage 2 – Data Valid But Above Normal Operating Range – Moderately Severe Level
1934 ECU Power Output Supply Voltage 2 – Data Valid But Below Normal Operating Range – Moderately Severe Level
1935 EGR Actuator Driver Circuit – Root Cause Not Known
1938 ECU Power Output Supply Voltage 1 – Data Valid But Below Normal Operating Range – Moderately Severe Level
1942 Crankcase Pressure – Data Erratic, Intermittent, or Incorrect
1943 Ambient Air Density – Data Valid But Below Normal Operating Range – Least Severe Level
1961 EGR Valve Control Circuit Calculated Over Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
1962 VGT Actuator Driver Over Temperature (Calculated – Data Valid But Above Normal Operating Range – Least Severe Level
1963 Aftertreatment Fuel Shutoff Valve 1 – Choice
1963ism Aftertreatment Fuel Shutoff Valve 1 – Mechanical System Not Responding Properly or Out of Adjustment
1963isx Aftertreatment Fuel Shutoff Valve 1 – Mechanical System Not Responding Properly or Out of Adjustment
1966 Aftertreatment Exhaust Gas Temperature 1 – Data Valid But Above Normal Operating Range – Most Severe Level
1968 Aftertreatment Exhaust Gas Temperature 2 – Data Valid But Above Normal Operating Range – Moderately Severe Level
1969 Aftertreatment Exhaust Gas Temperature 2 – Data Valid But Above Normal Operating Range – Most Severe Level
1972 Aftertreatment Exhaust Gas Temperature 3 – Data Valid But Above Normal Operating Range – Moderately Severe Level
1973 Aftertreatment Exhaust Gas Temperature 3 – Data Valid But Above Normal Operating Range – Most Severe Level
1974 Crankcase Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
1977 Aftertreatment Fuel Injector 1 Circuit – Current Below Normal or Open Circuit
1981 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level – Choice
1981cpl_3774_3775 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
1981non_cpl_3774_3775 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
1993 Aftertreatment Particulate Filter Missing – Condition Exists
Cummins ISX Engine Fault Codes
(Codes 2000-2499)
2182 Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High Source
2183 Engine Brake Actuator Driver 1 Circuit – Voltage Below Normal or Shorted to Low Source
2185 Sensor Supply 4 Circuit – Voltage Above Normal or Shorted to High Source
2186 Sensor Supply 4 Circuit – Voltage Below Normal or Shorted to Low Source
2195 Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions
2198 VGT Actuator Driver Circuit – Root Cause Not Known
2215 Fuel Pump Delivery Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
2216 Fuel Pump Delivery Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2272 EGR Valve Position Circuit – Voltage Below Normal or Shorted to Low Source
2273 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
2274 Exhaust Gas Recirculation Valve Delta Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
2288 Turbocharger 1 Speed – Data Valid But Above Normal Operating Range – Least Severe Level
2311 Electronic Fuel Injection Control Valve Circuit – Condition Exists
2312 Timing Actuator Driver Circuit – Condition Exists
2313 Fuel Control Valve Solenoid Driver 2 Circuit – Condition Exists
2314 Engine Timing Actuator Driver 2 Circuit Error – Condition Exists
2319 Exhaust Back Pressure – Data Valid But Below Normal Operating Range – Moderately Severe Level
2321 Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect
2322 Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect
2345 Turbocharger 1 Speed – Abnormal Rate of Change
2346 Turbocharger Turbine Intake Temperature (Calculated – Data Valid But Above Normal Operating Range – Least Severe Level
2347 Turbocharger Compressor Outlet Temperature (Calculated – Data Valid But Above Normal Operating Range – Least Severe Level
2349 EGR Valve Control Circuit – Current Below Normal or Open Circuit
2351 EGR Valve Control Circuit – Voltage Below Normal or Shorted to Low Source
2357 EGR Valve Control Circuit – Mechanical System Not Responding Properly or Out of Adjustment
2359 Exhaust Gas Recirculation Valve Delta Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2363 ism Engine Brake Actuator Driver Output 2 Circuit – Voltage Below Normal or Shorted to Low Source
2363 isx Engine Brake Actuator Driver Output 2 Circuit – Voltage Below Normal or Shorted to Low Source
2365 Engine Brake Actuator Driver Output 3 Circuit – Voltage Below Normal or Shorted to Low Source
2367 ism Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal or Shorted to High Source
2367 isx Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal or Shorted to High Source
2368 Engine Brake Actuator Driver Output 3 Circuit – Voltage Above Normal or Shorted to High Source
2372 Fuel Filter Differential Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2373 Exhaust Gas Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source
2374 Exhaust Gas Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
2375 Exhaust Gas Recirculation Temperature Sensor Circuit – Voltage Above Normal or Shorted to High Source
2376 Exhaust Gas Recirculation Temperature Sensor Circuit – Voltage Below Normal or Shorted to Low Source
2377 Fan Control Circuit – Voltage Above Normal or Shorted to High Source
2387 VGT Actuator Driver Circuit (Motor – Mechanical System Not Responding Properly or Out of Adjustment
2412 Fan Speed – Data Erratic, Intermittent, or Incorrect
2448 Coolant Level – Data Valid But Below Normal Operating Range – Least Severe Level
2449 VGT Actuator Controller – Out of Calibration
2451 Turbocharger Turbine Intake Temperature (Calculated – Data Valid But Above Normal Operating Range – Moderately Severe Level
Cummins ISX Engine Fault Codes
(Codes 2500-2999)
2551 Injector Metering Rail 2 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2552 Injector Metering Rail 1 Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2554 Exhaust Gas Pressure – Data Erratic, Intermittent, or Incorrect
2634 VGT Actuator Controller – Bad Intelligent Device or Component
2635 VGT Actuator Driver Circuit – Condition Exists
2636 VGT Actuator Driver Circuit – Abnormal Update Rate
2637 Catalyst Face Plugged – Root Cause Not Known
2638 Catalyst Efficiency – Out of Calibration
2639 Aftertreatment Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level
2646 Engine Coolant Temperature – Condition Exists
2659 Engine Coolant Temperature – Condition Exists
2728 Aftertreatment Fuel Injector 1 – Data Valid But Above Normal Operating Range – Moderately Severe Level
2732 Aftertreatment Fuel Drain Valve Circuit – Voltage Above Normal or Shorted to High Source
2733 Aftertreatment Fuel Drain Valve Circuit – Voltage Below Normal or Shorted to Low Source
2738 Start Enable Device 1 Circuit (Ether Injection – Voltage Above Normal or Shorted to High Source
2739 Start Enable Device 1 Circuit (Ether Injection – Voltage Below Normal or Shorted to Low Source
2741 Aftertreatment Fuel Shutoff Valve 1 Swapped – Condition Exists
2742 Aftertreatment Exhaust Gas Temperature 2 – Data Valid But Below Normal Operating Range – Least Severe Level
2743 Aftertreatment Exhaust Gas Temperature 2 – Data Valid But Below Normal Operating Range – Moderately Severe Level
2754 Engine Particulate Filter Intake Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2764 Exhaust Gas Pressure – Data Valid But Above Normal Operating Range – Moderately Severe Level
2774 Engine Exhaust Gas Recirculation (EGR System – Condition Exists
2777 Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists
2789 Engine Coolant Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
2813 EGR Valve Control – Special Instructions
2878 Aftertreatment Fuel Drain Valve – Choice
2878ism Aftertreatment Fuel Drain Valve – Mechanical System Not Responding Properly or Out of Adjustment
2878isx Aftertreatment Fuel Drain Valve – Mechanical System Not Responding Properly or Out of Adjustment
2879 ism Aftertreatment Fuel Drain Valve – Data Erratic, Intermittent, or Incorrect
2879 isx Aftertreatment Fuel Drain Valve – Data Erratic, Intermittent, or Incorrect
2881 Aftertreatment Fuel Pressure Sensor – Data Valid But Below Normal Operating Range – Least Severe Level
2961 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
2962 Exhaust Gas Recirculation Temperature – Data Valid But Above Normal Operating Range – Moderately Severe Level
2963 Engine Coolant Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
2964 Intake Manifold 1 Temperature – Data Valid But Above Normal Operating Range – Least Severe Level
2973 Intake Manifold 1 Pressure – Data Erratic, Intermittent, or Incorrect
Cummins ISX Engine Fault Codes
(Codes 3000-3499)
3167 After treatment Doser – Data Valid But Below Normal Operating Range – Moderately Severe Level
3348 Turbocharger 1 Compressor Intake Pressure – Data Valid But Below Normal Operating Range – Most Severe Level
3374 Roll Over Protection Brake Control Active – Condition Exists
3385 Intake Manifold 1 Temperature – Data Valid But Below Normal Operating Range – Moderately Severe Level
3488 Anti-Lock Braking (ABS Controller – Abnormal Update Rate
Cummins ISX Engine Fault Codes
(Codes 3500-3999)
3616 Engine VGT Nozzle Position – Mechanical System Not Responding or Out of Adjustment
3733 Crankcase Breather Filter Heater Circuit – Voltage Above Normal or Shorted to High Source
3734 Crankcase Breather Filter Heater Circuit – Voltage Below Normal or Shorted to Low Source
Cummins ISX Engine Fault Codes
(Codes 4000-4499)
4214 Aftertreatment 1 Diesel Oxidation Catalyst System – Data Valid But Below Normal Operating Range – Moderately Severe Level – Choice
4214 (cpl_3774_3775) Aftertreatment 1 Diesel Oxidation Catalyst System – Data Valid But Below Normal Operating Range – Moderately Severe Level
4214 (non_cpl_3774_3775) Aftertreatment 1 Diesel Oxidation Catalyst System – Data Valid But Below Normal Operating Range – Moderately Severe Level
4282 Aftertreatment Diesel Oxidation Catalyst Conversion Efficiency – Condition Exists
4283 Aftertreatment Doser – Data Valid But Below Normal Operating Range – Condition Exists