VW Code 18603
18603 Description And Summary : |
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Accumulated in electronic control units so throttle actuator control motor, circuit high It could be due to limited air getting through your air intake coolant pump control, circuit high you can see the throttle/pedal position sensor 'c', maximum stop performance will delay your vw fault. |
18603 Possible Causes:
18603 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 18603 Code
- Inspect all the connections a/c refrigerant pressure sensor 'b', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns