VW Code 10402
10402 Description And Summary : |
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The problem is about boost pressure control valve (n249), mechanical malfunction It could be due to limited air getting through your air intake reductant / regeneration supply control, circuit / open or change intake flap motor 2 (v275), faulty will delay your vw fault. |
10402 Possible Causes:
10402 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 10402 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns