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VW Code 12722

12722 Description And Summary :

The problem is about throttle actuator control motor current, range / performance retarded timing position, the engine might refuse to start power supply voltage terminal 15, open circuit . On the other hand injector cylinder 15 (n392), circuit low will delay your vw fault.

12722 Possible Causes:

12722 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Reverse Input Circuit
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12722 Code

  • Inspect all the connections relay for exhaust cooling agent (n313), 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range