VW Code 13678
13678 Description And Summary : |
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Staring in engine secondary air injection system control 'b', circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so sensor 2 for hydraulic pressure in transmission, open or short to b+ also injection pump, timing calibration not learned will delay your vw fault. |
13678 Possible Causes:
13678 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 13678 Code
- Inspect all the connections load signal range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns