Category: Chevrolet

P2409 Chevrolet Fuel Cap Sensor / Switch Circuit Range / Performance OBD Code: System: Subsystem:  P2409 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Fuel Cap Sensor / Switch Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description:

P2404 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Range / Performance OBD Code: System: Subsystem:  P2404 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description:

P2405 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Low OBD Code: System: Subsystem:  P2405 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2406 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit High OBD Code: System: Subsystem:  P2406 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2407 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2407 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description:

P2401 Chevrolet Evaporative Emission System Leak Detection Pump Control Circuit Low Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) What about the obd code? To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in…

P2402 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit High Possible causes – Faulty Vacuum Pump Module– Vacuum Pump Module harness is open or shorted– Vacuum Pump Module circuit poor electrical connection.– Faulty Engine Control Module (ECM) Tech description What about the obd code? To determine leak criterion (Reference pressure), vacuum pump creates…

P2403 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit / Open OBD Code: System: Subsystem:  P2403 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Sensore Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:

P2400 Chevrolet Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit / Open OBD Code: System: Subsystem:  P2400 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit / Open Location: Analysis: Possible Causes:    Open Circuit   Tech description:

P2345 Chevrolet (Cylinder No.10) Above Knock Threshold OBD Code: System: Subsystem:  P2345 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.10) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 10     Tech description:

P2346 Chevrolet (Cylinder No.11) Above Knock Threshold OBD Code: System: Subsystem:  P2346 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.11) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 11     Tech description:

P2347 Chevrolet (Cylinder No.12) Above Knock Threshold OBD Code: System: Subsystem:  P2347 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.12) Above Knock Threshold Location: Analysis: Possible Causes:  cylinder 12     Tech description:

P2342 Chevrolet (Cylinder No.7) Above Knock Threshold OBD Code: System: Subsystem:  P2342 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.7) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 7     Tech description:

P2343 Chevrolet (Cylinder No.8) Above Knock Threshold OBD Code: System: Subsystem:  P2343 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.8) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 8     Tech description:

P2344 Chevrolet (Cylinder No.9) Above Knock Threshold OBD Code: System: Subsystem:  P2344 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.9) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 9     Tech description:

P2338 Chevrolet (Cylinder No.3) Above Knock Threshold OBD Code: System: Subsystem:  P2338 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.3) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 3     Tech description:

P2339 Chevrolet (Cylinder No.4) Above Knock Threshold OBD Code: System: Subsystem:  P2339 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.4) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 4     Tech description:

P2340 Chevrolet (Cylinder No.5) Above Knock Threshold OBD Code: System: Subsystem:  P2340 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.5) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 5     Tech description:

P2341 Chevrolet (Cylinder No.6) Above Knock Threshold OBD Code: System: Subsystem:  P2341 Chevrolet – (ASE)  Powertrain  Ignition System or Engine Misfire Trouble Code Description: (Cylinder No.6) Above Knock Threshold Location: Analysis: Possible Causes:  Cylinder 6     Tech description: