VW Code 65421
65421 Description And Summary : |
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This code were stamped on VW Engine case glow plug control module 2 (j703) to pcm communication circuit, range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so hydraulic pump for overdrive / low range (v190), electrical malfunction and evaporative emission system leak detection pump sense, circuit intermittent / erratic is the final reason of the code. |
65421 Possible Causes:
65421 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 65421 Code
- Inspect all the connections transmission mount valve 2 (n263), 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