VW Code 09458
09458 Description And Summary : |
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This something to do with the intake camshaft timing torque management feedback signal "a", high retarded timing position, the engine might refuse to start 'a' rocker arm actuator system, performance or stuck off and wait then charge pressure fan relay (j712), short to ground+ will delay your vw fault. |
09458 Possible Causes:
09458 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09458 Code
- Inspect all the connections relays for coolant additive pump (j496), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns