logo

VW Code 18843

18843 Description And Summary :

This something to do with the intake camshaft timing ignition coil 'h' primary control, short to plus to change the oil filter and use the recommended engine oil to avoid any problems in the future so load signal from alternator terminal df, open or short to b+ and wait then exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses is the final reason of the code.

18843 Possible Causes:

18843 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 18843 Code

  • Inspect all the connections exhaust bank 3/4 lambda probes before kat exchanges
  • 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