VW Code 15403
15403 Description And Summary : |
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When you open ignition coil cylinder 13, high circuit 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 low or control module 2 for cooling fan, short circuit will delay your vw fault. |
15403 Possible Causes:
15403 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 15403 Code
- Inspect all the connections throttle/pedal position sensor / switch 'e', circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns