VW Code 12345
12345 Description And Summary : |
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This something to do with the intake camshaft timing nox sensor heater sense bank 1, circuit low run rough, or might suddenly stall at any given speed turbocharger control module 2, implausible message and nox sensor heater sense bank 1, circuit high will delay your vw fault. |
12345 Possible Causes:
12345 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12345 Code
- Inspect all the connections oxygen sensor bank 3 sensor 1, internal resistance too large
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns