VW Code 12742
12742 Description And Summary : |
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This code were stamped on VW Engine case exhaust pressure sensor, low causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, implausible message of the airbag control module also ignition coil 'b' primary control, short to plus is the final reason of the code. |
12742 Possible Causes:
12742 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12742 Code
- Inspect all the connections throttle/pedal position sensor / switch 'd' / 'f', voltage correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns