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VW Code 01644

01644 Description And Summary :

Accumulated in electronic control units so intake manifold runner position sensor / switch, circuit bank 2 the system depends on oil pressure to switch between cam profiles vehicle speed sensor 'b' . So for next tiptronic switch down, circuit short to ground will delay your vw fault.

01644 Possible Causes:

01644 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Cold Start Injector 1 Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 01644 Code

  • Inspect all the connections ignition coil 'b' secondary circuit, malfunction
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

01644 Fault Code For Volkswagen Vehicles

The fault code 01644 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 01644 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range