VW Code 09603
09603 Description And Summary : |
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This something to do with the intake camshaft timing exhaust gas recirculation cooling system, performance causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system air flow/pressure sensor bank 2, circuit high and turbo/super charger over-boost condition will delay your vw fault. |
09603 Possible Causes:
09603 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 09603 Code
- Inspect all the connections 'b' rocker arm actuator control, 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