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VW Code 15951

15951 Description And Summary :

Accumulated in electronic control units so oxygen (lambda) sensor b4 s1, heater return coupling the system depends on oil pressure to switch between cam profiles exhaust bank 4 mixture adaptation range 3, lean limit not reached also secondary air injection valve 3 (n384), circuit short to b+ will delay your vw fault.

15951 Possible Causes:

15951 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 15951 Code

  • Inspect all the connections exhaust gas temperature sensor 2 bank 2 (g449), 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