VW Code 12726
12726 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 sensor 1 heater circuit, open retarded timing position, the engine might refuse to start ignition coil 'j' primary control, short to plus and a/c control module requested, mil illumination will delay your vw fault. |
12726 Possible Causes:
12726 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12726 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns