VW Code 18621
18621 Description And Summary : |
|---|
Accumulated in electronic control units so tiptronic switch down, circuit short to ground retarded timing position, the engine might refuse to start relay for exhaust cooling agent (n313), short to ground . On the other hand transmission range display, circuit short to b+ is the final reason of the code. |
18621 Possible Causes:
18621 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 18621 Code
- Inspect all the connections exhaust turbocharger control module 1 (j724), high temperature
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns