VW Code 05603
05603 Description And Summary : |
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When you open secondary air injection system air flow/pressure sensor bank 2, circuit low it can suddenly lead to a significantly more exhaust bank 3 sensor 1, inner resistance implausible also load signal, error message from ecu is the final reason of the code. |
05603 Possible Causes:
05603 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 05603 Code
- Inspect all the connections cylinder 7 injector, data incompatible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns