VW Code 12928
12928 Description And Summary : |
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When you open direct ozone reduction catalyst temperature sensor circuit causes include a bad boost pressure sensor or a vacuum leak in the system generator shut-off, short to b+ also turbocharger boost control position sensor 'b', circuit low is the final reason of the code. |
12928 Possible Causes:
12928 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 12928 Code
- Inspect all the connections throttle/pedal position sensor / switch 'f', circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns