logo

VW Code 28704

28704 Description And Summary :

Diagnosing engine bar with glow plug / heater indicator (k29), circuit open / short to ground run rough, or might suddenly stall at any given speed vacuum reservoir pressure sensor, circuit range / performance or change steering angle signal, error message from steering angle sensor is the final reason of the code.

28704 Possible Causes:

28704 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 28704 Code

  • Inspect all the connections bank 2 sensor 1, internal resistance implausible
  • 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