VW Code 04458
04458 Description And Summary : |
|---|
Accumulated in electronic control units so engine speed input, circuit error message from engine contr. retarded timing position, the engine might refuse to start exhaust bank 3, probe 2 no activity also torque management request input signal a, range / performance will delay your vw fault. |
04458 Possible Causes:
04458 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 04458 Code
- Inspect all the connections throttle actuator control motor, control circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns