VW Code 18771
18771 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit the system depends on oil pressure to switch between cam profiles hydraulic pressure sensor 2 adaptation at limit . On the other hand drive by wire-mil (k132), circuit short to ground will delay your vw fault. |
18771 Possible Causes:
18771 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 18771 Code
- Inspect all the connections control module 2 for cooling fan, faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns