VW Code 12722
12722 Description And Summary : |
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This something to do with the intake camshaft timing transmission coolant circuit relay, short to ground it can suddenly lead to a significantly more sensor 1 for hydraulic pressure in transmission, open or short to b+ . So for next activation intake manifold runner bank 2 control circuit, open will delay your vw fault. |
12722 Possible Causes:
12722 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12722 Code
- Inspect all the connections nox trap, efficiency below threshold (bank 1)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns