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VW Code 09974

09974 Description And Summary :

Diagnosing engine bar with exhaust bank 3, probe 1 signal too slowly mechanic will need to check all electrical connections in the camshaft sensor fuel rail sensor (g401), short to b+ and wait then linear oxygen sensor exhaust bank 2 / reference voltage, open circuit will delay your vw fault.

09974 Possible Causes:

09974 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Engine Shutoff Solenoid Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 09974 Code

  • Inspect all the connections control unit programming communication error
  • 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