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VW Code 12837

12837 Description And Summary :

When you open linear oxygen sensor exhaust bank 4 / reference voltage, short to ground it can suddenly lead to a significantly more turbocharger control module, faulty you can see the valve for pump - jet: cylinder 9 (n305), electrical malfunction is the final reason of the code.

12837 Possible Causes:

12837 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 12837 Code

  • Inspect all the connections data bus powertrain, missing messages
  • 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