VW Code 12203
12203 Description And Summary : |
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This something to do with the intake camshaft timing reductant injection air pump control, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector cylinder 15 (n392), circuit high also evaporative emission system vent (n115), valve stuck open will delay your vw fault. |
12203 Possible Causes:
12203 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12203 Code
- Inspect all the connections power supply terminal 30, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns