VW Code 03813
03813 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection valve 4 (n385), circuit open circuit it can suddenly lead to a significantly more coolant circulation pump relay (j151), short to b+ . On the other hand pressure control solenoid 5 (n233), electrical malfunction will delay your vw fault. |
03813 Possible Causes:
03813 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 03813 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, 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