VW Code 12148
12148 Description And Summary : |
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When you open cam shaft position sensor (g40), signal outside of the tolerance causes include a bad boost pressure sensor or a vacuum leak in the system supply voltage for fuel injector group a, short to ground and wait then heater regulation, implausible signal will delay your vw fault. |
12148 Possible Causes:
12148 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 12148 Code
- Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns