VW Code 01421
01421 Description And Summary : |
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This code were stamped on VW Engine case exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction the system depends on oil pressure to switch between cam profiles shift lock, open or change secondary air injection system air flow/pressure sensor bank 1, circuit high will delay your vw fault. |
01421 Possible Causes:
01421 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 01421 Code
- Inspect all the connections interference in mechatronic module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns