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VW Code 02309

02309 Description And Summary :

The problem is about linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ the system depends on oil pressure to switch between cam profiles exhaust bank 3, probe 2 heating circuit short-circuit after mass also vacuum reservoir pressure sensor, circuit range / performance is the final reason of the code.

02309 Possible Causes:

02309 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 4 Contribution/Balance Fault
  • Clutch Position Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Cold Start Injector 1 Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 02309 Code

  • Inspect all the connections injector control pressure regulator, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range