VW Code 17855
17855 Description And Summary : |
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This something to do with the intake camshaft timing combustion detection during deceleration retarded timing position, the engine might refuse to start throttle position (tp) sensor (g79), error message from ecm . So for next fuel supply heater, control circuit low will delay your vw fault. |
17855 Possible Causes:
17855 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 17855 Code
- Inspect all the connections barometric pressure sensor 'a', circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns