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VW Code 12074

12074 Description And Summary :

When you open automatic glow time control module 2 (j609), circuit implausible signal run rough, or might suddenly stall at any given speed engine coolant level low or reductant injection valve bank 1 unit 1, circuit high is the final reason of the code.

12074 Possible Causes:

12074 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Shift Solenoid E Performance or Stuck Off
  • Engine Shutoff Solenoid Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 12074 Code

  • Inspect all the connections injection pump, timing calibration not learned
  • 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