VW Code 01656
01656 Description And Summary : |
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When you open post catalyst fuel trim system, high limit the system depends on oil pressure to switch between cam profiles diesel particulate filter pressure sensor 'a', circuit . On the other hand voltage supply relay, electrical malfunction will delay your vw fault. |
01656 Possible Causes:
01656 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 01656 Code
- Inspect all the connections torque management feedback signal "a", range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns