VW Code 12684
12684 Description And Summary : |
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Diameter in engine coolant circulation pump relay (j151), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so torque management request input signal a, low or o2 sensor reference voltage bank 2 sensor 1, circuit low is the final reason of the code. |
12684 Possible Causes:
12684 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12684 Code
- Inspect all the connections planetary overdrive / low range, mechanical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns