VW Code 18508
18508 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 3 / pump current, short to b+ retarded timing position, the engine might refuse to start tiptronic switch recognition, circuit short to ground . So for next tiptronic switch up, circuit short to ground is the final reason of the code. |
18508 Possible Causes:
18508 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 18508 Code
- Inspect all the connections intake air heater "a", circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns