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VW Code 08646

08646 Description And Summary :

When you open ignition coil 'a' secondary circuit, malfunction run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 2 / reference voltage, short to ground also a/c request a, circuit high will delay your vw fault.

08646 Possible Causes:

08646 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Clutch Position Sensor Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 08646 Code

  • Inspect all the connections shift lock, 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