VW Code 12581
12581 Description And Summary : |
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Diameter in engine engine coolant temperature signal, open / short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection system pump bank 1, stuck off and reductant injection valve bank 2 unit 2, circuit high will delay your vw fault. |
12581 Possible Causes:
12581 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12581 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns