logo

VW Code 04538

04538 Description And Summary :

Accumulated in electronic control units so vehicle speed signal wheel speed from brake control module; range / performance mechanic will need to check all electrical connections in the camshaft sensor exhaust gas temperature sensor, bank 2 sensor 5, circuit low and wait then fuel fired heater, disabled is the final reason of the code.

04538 Possible Causes:

04538 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Fuel Rail/System Pressure - Too High
  • Cold Start Injector 1 Malfunction
  • Cylinder 1 Injector Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 04538 Code

  • Inspect all the connections motor for intake manifold flap (v157), 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range