VW Code 04254
04254 Description And Summary : |
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This code were stamped on VW Engine case turbocharger (tc)control module 2, faulty causes include a bad boost pressure sensor or a vacuum leak in the system ignition switch run position, circuit also internal control module, malfunction is the final reason of the code. |
04254 Possible Causes:
04254 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 04254 Code
- Inspect all the connections bank 1 sensor 1, internal resistance too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns