VW Code 15721
15721 Description And Summary : |
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Accumulated in electronic control units so exhaust gas temperature sensor bank 2 sensor 2, circuit range / performance the system depends on oil pressure to switch between cam profiles clutch torque adaptation 2: adaptation limit reached also load signal, error message from ecu is the final reason of the code. |
15721 Possible Causes:
15721 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 15721 Code
- Inspect all the connections please check dtc memory of transmission ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns