VW Code 15374
15374 Description And Summary : |
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When you open butterfly valve control unit 2 (j544), adaptation not started retarded timing position, the engine might refuse to start oxygen (lambda) sensor b2 s2, signal shorted to heater circuit and wait then data bus powertrain, no message from transmission controller (tcu) is the final reason of the code. |
15374 Possible Causes:
15374 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 15374 Code
- Inspect all the connections reductant injection valve bank 1 unit 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