VW Code 05438
05438 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault fuel pump, electronics faulty It could be due to limited air getting through your air intake please check dtc memory of central electric ecu and oxygen (lambda) sensor b1 s2, signal shorted to heater circuit will delay your vw fault. |
05438 Possible Causes:
05438 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 05438 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns