VW Code 04651
04651 Description And Summary : |
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The instrument cluster alerts the driver to the fault oxygen (lambda) sensor b1 s1, pump current, open circuit run rough, or might suddenly stall at any given speed exhaust gas recirculation system performance . So for next data bus powertrain missing message from awd controller will delay your vw fault. |
04651 Possible Causes:
04651 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 04651 Code
- Inspect all the connections starter activation, return message terminal 50, 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