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VW Code 02122

02122 Description And Summary :

This code were stamped on VW Engine case signal line for fuel pump electronics, electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor coolant fan 2 (v177), open circuit . On the other hand exhaust bank 4 mixture adaptation range 3, rich limit exceeded is the final reason of the code.

02122 Possible Causes:

02122 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 02122 Code

  • Inspect all the connections exhaust bank 2 mixture adaptation range 3, rich limit exceeded
  • 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