VW Code 12548
12548 Description And Summary : |
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The problem is about secondary air injection system air flow/pressure sensor bank 2, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so barometric pressure sensor 'a', circuit . On the other hand exhaust pressure regulator vent solenoid, control circuit low is the final reason of the code. |
12548 Possible Causes:
12548 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 12548 Code
- Inspect all the connections cylinder 2 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns