VW Code 05803
05803 Description And Summary : |
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When you open reductant injection valve bank 2 unit 1, circuit high retarded timing position, the engine might refuse to start activation 2-unit injector valve, electrical malfunction you can see the tiptronic switch up (f189), open circuit / signal to b+ will delay your vw fault. |
05803 Possible Causes:
05803 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 05803 Code
- Inspect all the connections injector control pressure sensor, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns