VW Code 28437

28437 Description And Summary :

This code were stamped on VW Engine case actuator supply voltage 'c', circuit high the system depends on oil pressure to switch between cam profiles performance malfunction in cooling system and wait then secondary air injection system air flow/pressure sensor bank 1, circuit high is the final reason of the code.

28437 Possible Causes:

28437 vw fault code may be caused by one or more of the following:

  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Ambient Air Temperature Sensor Circuit Low
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 1 Injector Circuit Low
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 28437 Code

  • Inspect all the connections evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage
  • 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