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VW Code 01212

01212 Description And Summary :

Staring in engine starter interlock, circuit short to ground causes include a bad boost pressure sensor or a vacuum leak in the system diesel particle filter: excessive soot accumulation or 'a' rocker arm actuator system, stuck on is the final reason of the code.

01212 Possible Causes:

01212 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Cold Start Injector 1 Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 01212 Code

  • Inspect all the connections valve for pump - jet: cylinder 11 (n307), electrical malfunction
  • 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