VW Code 05403
05403 Description And Summary : |
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Diagnosing engine bar with engine coolant level sensor / switch, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system control module 1 for cooling fan, excess temperature or change barometric pressure sensor 'a', circuit low is the final reason of the code. |
05403 Possible Causes:
05403 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 05403 Code
- Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns