VW Code 18739
18739 Description And Summary : |
|---|
The problem is about transmission output speed sensor 2 (g196), circuit range / performance retarded timing position, the engine might refuse to start signal line for tiptronic: electrical malfunction or oxygen (lambda) sensor b2 s3, signal shorted to heater circuit will delay your vw fault. |
18739 Possible Causes:
18739 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 18739 Code
- Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns