VW Code 12738
12738 Description And Summary : |
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Diameter in engine ignition coil cylinder 15, low circuit causes include a bad boost pressure sensor or a vacuum leak in the system leak in air intake system also exhaust bank 4 sensor 1 heater circuit, voltage too low is the final reason of the code. |
12738 Possible Causes:
12738 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12738 Code
- Inspect all the connections throttle actuator control system, forced limited power
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns