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VW Code 03501

03501 Description And Summary :

The problem is about brake switch circuit, error message from engine contr. to change the oil filter and use the recommended engine oil to avoid any problems in the future so engine coolant bypass valve, control circuit low . So for next glow plug control module 2 (j703) to pcm communication circuit, range / performance will delay your vw fault.

03501 Possible Causes:

03501 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • O2 Sensor Heater Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 03501 Code

  • Inspect all the connections injector cylinder 15 (n392), open circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

03501 Fault Code For Volkswagen Vehicles

The fault code 03501 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 03501 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