VW Code 04959
04959 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 4 / reference voltage, implausible the system depends on oil pressure to switch between cam profiles data bus engine/engine, software condition monitoring and data bus engine/engine, missing message from ecu 2 is the final reason of the code. |
04959 Possible Causes:
04959 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04959 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns