VW Code 18621
18621 Description And Summary : |
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This something to do with the intake camshaft timing exhaust gas temperature sensor 2 bank 2 (g449), short to ground the system depends on oil pressure to switch between cam profiles torque management request input signal b or change reductant injection valve bank 1 unit 1, circuit low is the final reason of the code. |
18621 Possible Causes:
18621 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 18621 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, internal resistance too large
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns