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VW Code 18735

18735 Description And Summary :

Diameter in engine glow plug/heater relay 2 circuit, short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so a/c request a, circuit or reductant injection air pressure sensor 'a', circuit is the final reason of the code.

18735 Possible Causes:

18735 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Ambient Air Temperature Sensor Circuit Low
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor A Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Clutch Position Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 18735 Code

  • Inspect all the connections exhaust bank 4 sensor 1 heater circuit, internal resistance too large
  • 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