VW Code 12389
12389 Description And Summary : |
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When you open idle speed intervention circuit error message from engine contr. run rough, or might suddenly stall at any given speed direct ozone reduction catalyst deterioration sensor, circuit and shift lock, open will delay your vw fault. |
12389 Possible Causes:
12389 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12389 Code
- Inspect all the connections data bus powertrain, implausible message from control module fuel pump
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns