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VW Code 15977

15977 Description And Summary :

The problem is about valve for pump - jet: cylinder 12 (n308), regulation range exceeded run rough, or might suddenly stall at any given speed exhaust bank 4, sensor 2, no activity . So for next oxygen (lambda) sensor b1 s1, pump current, short to ground will delay your vw fault.

15977 Possible Causes:

15977 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 15977 Code

  • Inspect all the connections turbocharger speed sensor, circuit low
  • 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