VW Code 09771
09771 Description And Summary : |
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Staring in engine sensor 1 for hydraulic pressure in transmission, open or short to b+ retarded timing position, the engine might refuse to start exhaust gas recirculation system performance and wait then coolant fan control 2: open or short to ground will delay your vw fault. |
09771 Possible Causes:
09771 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 09771 Code
- Inspect all the connections throttle position (tp) sensor 1-2, correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns