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VW Code 18437

18437 Description And Summary :

Staring in engine glow plug / heater relay, circuit open / short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle actuator control system, forced engine shutdown and wait then bank 2, system too lean off idle will delay your vw fault.

18437 Possible Causes:

18437 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 18437 Code

  • Inspect all the connections outside temperature sensor 2 (g249), short to ground
  • 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