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VW Code 12138

12138 Description And Summary :

Accumulated in electronic control units so throttle actuator control system, sudden high air flow detected to change the oil filter and use the recommended engine oil to avoid any problems in the future so water in fuel sensor, circuit intermittent you can see the event data recorder request, circuit high is the final reason of the code.

12138 Possible Causes:

12138 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Composition Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 12138 Code

  • Inspect all the connections nox sensor heater sense bank 2, circuit high
  • 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