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VW Code 08257

08257 Description And Summary :

Accumulated in electronic control units so o2 sensor negative current control bank 1 sensor 1, circuit low run rough, or might suddenly stall at any given speed 'a' rocker arm actuator control, circuit low also 'b' rocker arm actuator control, circuit low will delay your vw fault.

08257 Possible Causes:

08257 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Reverse Input Circuit
  • Fuel Rail/System Pressure - Too High
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 08257 Code

  • Inspect all the connections load signal, error message from ecu
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range