VW Code 12620
12620 Description And Summary : |
|---|
The problem is about supply voltage for fuel injector group b, open circuit retarded timing position, the engine might refuse to start data-bus powertrain, missing message from fuel injection pump and wait then exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit will delay your vw fault. |
12620 Possible Causes:
12620 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12620 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 4, 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