ISB fault codes:
A complete list of all Dodge Cummins codes for ISB diesel engines

Having trouble finding what your Dodge Cummins codes mean? Here is a list of all Cummins fault codes for the Dodge Cummins diesel engine.

Just scroll down the list for a discription of your specific fault code.

111 Electronic Control Module ECM Microprocessor
115 Engine Speed Sensor ESS Circuit
121 Engine Position Sensor EPS Circuit
122 Intake Manifold Pressure Sensor Circuit
123 Intake Manifold Pressure Sensor Circuit
124 Intake Manifold Pressure - Engine Protection
131 Accelerator Position Sensor Circuit
132 Accelerator Position Sensor Circuit
135 Oil Pressure Sensor Circuit
141 Oil Pressure Sensor/Switch Circuit Choice
141sn Oil Pressure Sensor Circuit
141sw Oil Pressure Switch Circuit
144 Coolant Temperature Sensor Circuit
146 Coolant Temperature - Engine Protection
153 Intake Manifold Air Temperature Sensor Circuit
154 Intake Manifold Air Temperature Sensor Circuit
186 Wait-to-Start Lamp Circuit
211 Vehicle Electronic Control Module
234 Engine Overspeed Circuit
261 Fuel Temperature Sensor Circuit
264 VP44 Fuel Temperature Sensor Error
278 Lift Pump Circuit
283 Engine Speed Sensor Supply
284 Engine Speed Sensor Supply
291 Datalink Circuit
334 Coolant Temperature Sensor Circuit
352 Sensor Supply Circuit
362 VP44 Fuel Valve High Current Error
363 VP44 Fuel Pump Control Valve Feedback Error
364 Electronic Control Module ECM to Pump Communications Error
365 Fuel Pump Voltage Out of Range Error Low
366 VP44 Fuel Pump Voltage Measurement Error
367 VP44 Fuel Pump Speed/Position Sensor Signal Lost
368 VP44 Fuel Pump Can Not Reach Commanded Timing
369 VP44 Fuel Pump To Engine Synchronization Pulse Not Recognized
372 Idle Select High/Low
373 VP44 Fuel Pump Fuel Shut Off Error
374 VP44 Fuel Pump Calibration Error
375 Electronic Control Module ECM Fuel Calibration Corrupted
376 VP44 Fuel Pump rpm and Fuel Error
377 Fuel Pump Power Relay Stuck-On
381 Intake Air Heater Relay Circuit
382 Intake Air Heater Relay Circuit
383 Intake Air Heater Circuit
386 Sensor Supply Circuit
387 Accelerator Position Sensor Circuit
391 VP44 Relay Coil Supply Circuit
418 Water-In-Fuel Sensor Circuit
429 Water-In-Fuel WIF Sensor Circuit
431 Idle Validation Switch IVS Circuit
432 Accelerator Pedal Circuit ISS
433 Intake Manifold Pressure Sensor Circuit
441 Unswitched Battery Supply Circuit
442 Unswitched Battery Supply Circuit
443 Accelerator Position Sensor Circuit
517 VP44 Fuel Pump Valve Feedback Error
613 Engine Misfire Detection
621 Engine Misfire Detection
622 Engine Misfire Detection
623 Engine Misfire Detection
624 Engine Misfire Detection
625 Engine Misfire Detection
626 Engine Misfire Detection

These are all the Dodge Cummins codes available. For more Cummins fault codes list for different engines, choose your engine from

Cummins Codes by Engine Model.

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