VW Code 09678
09678 Description And Summary : |
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Accumulated in electronic control units so data bus powertrain, missing message from adr control module causes include a bad boost pressure sensor or a vacuum leak in the system oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded also evaporative emission system vent (n115), valve stuck open will delay your vw fault. |
09678 Possible Causes:
09678 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Oil Temperature Sensor Malfunction
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 09678 Code
- Inspect all the connections exhaust gas temperature control bank 4, 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