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OBDII Error Codes
Everything pertaining to OBDII diagnostics and error code reading and troubleshooting.
132 Cummins articles in this category
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P0204 INJECTOR #4 CONTROL CIRCUIT NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0204-INJECTOR #4 CONTROL CIRCUIT. When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: When the injector current falls below a calibrated threshold. POSSIBLE CAUSES
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P0205 INJECTOR #5 CONTROL CIRCUIT NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0205-INJECTOR #5 CONTROL CIRCUIT. When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: When the injector current falls below a calibrated threshold. POSSIBLE CAUSES
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P0206 INJECTOR #6 CONTROL CIRCUIT NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0206-INJECTOR #6 CONTROL CIRCUIT. When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: When the injector current falls below a calibrated threshold. POSSIBLE CAUSES
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P0217-DECREASED ENGINE PERFORMANCE DUE TO ENGINE OVERHEAT CONDITION POSSIBLE CAUSES ECT SENSOR OTHER DTC'S MECHANICAL FAILURE DIAGNOSTIC PROCEDURE NOTE: Refer to VERIFICATION TESTS for appropriate verification test procedures. With the DRBIII®, read DTCs. Are other Cooling system DTCs present?
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P0218 HIGH TEMPERATURE OPERATION ACTIVATED When Monitored and Set Condition: When Monitored: Whenever the engine is running. Set Condition: This DTC is an informational code and does not necessarily indicate that a failure exists. It merely flags the fact that trans sump oil temperature reached 116°C or 240F. This temperature level can be reached when operating under heavy load in hot weather. This causes the transmission controller
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P0219 CRANKSHAFT POSITION SENSOR OVER SPEED SIGNAL When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: The ECM detects engine speed is above a calibrated threshold. POSSIBLE CAUSES OTHER DTC'S MECHANICAL OVERSPEED OF ENGINE INTERMITTENT CONDITION
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P0234 TURBO BOOST LIMIT EXCEEDED When Monitored and Set Condition: When Monitored: While running. Set Condition: The intake air pressure is above a calibrated value for a calibrated amount of time. POSSIBLE CAUSES OTHER DTC'S WASTEGATE STUCK DIAGNOSTIC PROCEDURE NOTE: Refer to VERIFICA
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P0236 MAP SENSOR TOO HIGH TOO LONG When Monitored and Set Condition: When Monitored: Ignition on. Set Condition: The intake air pressure is above a calibrated value past a calibrated amount of time. POSSIBLE CAUSES OTHER CODES INTERMITTENT CONDITION MAP SENSOR INTERMITTENT CONDITION
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P0237 MAP SENSOR VOLTAGE TOO LOW When Monitored and Set Condition: When Monitored: With the ignition on and battery voltage greater than 10.4 volts. Set Condition: The circuit voltage to the ECM falls below a calibrated threshold for a certain period of time. POSSIBLE CAUSES OTHER DTC'S (K68) SIGNAL CIRCUIT SHORTED TO (Y502) SENSOR RETU
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P0238 MAP SENSOR VOLTAGE TOO HIGH When Monitored and Set Condition: When Monitored: With the ignition on and battery voltage greater than 10.4 volts. Set Condition: The circuit voltage to the ECM is above a calibrated threshold for a certain period of time. POSSIBLE CAUSES OTHER DTC'S (K9) SIGNAL CIRCUIT SHORTED TO BATTERY
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P0251 CP3 PUMP REGULATOR CONTROL When Monitored and Set Condition: When Monitored: When the ignition is on. Set Condition: The ECM detects a discrepancy between the PWM supplied to the Electronic Fuel Control Actuator and the PWM returned from the Electronic Fuel Control Actuator. POSSIBLE CAUSES INTERMITTENT CONDITION FUEL CONTROL ACTU
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P0300 MULTIPLE CYLINDER MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPL
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P0301 CYLINDER # 1 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0302 CYLINDER # 2 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0303 CYLINDER # 3 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0304 CYLINDER # 4 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0305 CYLINDER # 5 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0306 CYLINDER # 6 MISFIRE When Monitored and Set Condition: When Monitored: While the engine is idling. Set Condition: Misfire detected on multiple cylinders. POSSIBLE CAUSES LOW FUEL OTHER DTC'S DAMAGED FUEL LINES VALVE TRAIN OBSTRUCTED FUEL INJECTOR SUPPLY LIN
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P0335 CRANKSHAFT POSITION (CKP) LOST When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: The ECM no longer detects a signal from the Crankshaft Position Sensor. POSSIBLE CAUSES OTHER DTCS P0337 PRESENT CKP SENSOR VISUAL DAMAGE
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P0336 CRANKSHAFT POSITION (CKP) SENSOR SIGNAL When Monitored and Set Condition: When Monitored: With the key on. Set Condition: The voltage detected at the Crankshaft position sensor is below a calibrated value. POSSIBLE CAUSES CKP SENSOR (G17) SIGNAL CIRCUIT OPEN (K6) 5-VOLT SUPPLY CIRCUIT OPEN
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P0338 CRANKSHAFT POSITION (CKP) SENSOR VOLTAGE TOO HIGH When Monitored and Set Condition: When Monitored: With the key on. Set Condition: Voltage detected at the CKP is above a calibrated value for a calibrated amount of time. POSSIBLE CAUSES (K6) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE INTERMITTENT CONDITION E
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P0340 CAMSHAFT POSITION (CMP) LOST When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: The ECM no longer detects a signal from the Engine Position Sensor. POSSIBLE CAUSES INJECTOR DTCS PRESENT OTHER DTCS CAMSHAFT SENSOR (K72E) 5-
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P0341 CAMSHAFT POSITION (CMP) SENSOR SIGNAL When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: The ECM no longer detects a signal from the Engine Position Sensor. POSSIBLE CAUSES INJECTOR DTCS PRESENT OTHER DTCS CAMSHAFT SENSOR (K53) SIGNAL CIRC
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P0381 WAIT TO START LAMP INOPERATIVE When Monitored and Set Condition: When Monitored: Ignition on. Set Condition: The cluster sends a signal to the ECM that it has detected a failed wait to start lamp. POSSIBLE CAUSES WAIT-TO-START LAMP STAYS ON ALL THE TIME WAIT-TO-START LAMP DRIVER CIRCUIT SHORTED TO GROUND W
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P0461 FUEL LEVEL UNIT NO CHANGE OVER TIME When Monitored and Set Condition: When Monitored: While the engine is running. Set Condition: Fuel level does not change by a calibrated amount over a calibrated amount of time. POSSIBLE CAUSES EXTERNAL DAMAGE TO FUEL TANK FUEL LEVEL SENSOR FUEL LEVEL SENSOR
