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VW Code 12602

12602 Description And Summary :

The problem is about potentiometer 2 for egr (g466), signal too low mechanic will need to check all electrical connections in the camshaft sensor sensor 1 for hydraulic pressure in transmission, open or short to b+ . So for next nox sensor heater sense bank 1, circuit range / performance is the final reason of the code.

12602 Possible Causes:

12602 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Ambient Air Temperature Sensor Circuit Low
  • Cylinder 1 Injector Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 12602 Code

  • Inspect all the connections fuel shutoff valve "b" control, circuit / open
  • 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