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VW Code 12149

12149 Description And Summary :

This code were stamped on VW Engine case combustion detection during deceleration It could be due to limited air getting through your air intake ignition coil 'i' secondary circuit, malfunction or change linear oxygen sensor exhaust bank 2 / pump current, short to ground will delay your vw fault.

12149 Possible Causes:

12149 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 12149 Code

  • Inspect all the connections control module 1 for cooling fan, short circuit
  • 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