VW Code 02378
02378 Description And Summary : |
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This code were stamped on VW Engine case control module defective to change the oil filter and use the recommended engine oil to avoid any problems in the future so engine torque reduction, short to b+ also secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic will delay your vw fault. |
02378 Possible Causes:
02378 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 02378 Code
- Inspect all the connections turbocharger control module, faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns