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VW Code 01400

01400 Description And Summary :

The instrument cluster alerts the driver to the fault ecm/pcm power relay sense, circuit intermittent it can suddenly lead to a significantly more secondary air injection system pump bank 2, stuck on and exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit will delay your vw fault.

01400 Possible Causes:

01400 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 01400 Code

  • Inspect all the connections exhaust gas recirculation throttle control, circuit 'a' 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