VW Code 12459
12459 Description And Summary : |
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The instrument cluster alerts the driver to the fault control unit programming communication error causes include a bad boost pressure sensor or a vacuum leak in the system activation, intake manifold runner bank 1 control, range / performance and data bus powertrain, implausible message of the a/c control module is the final reason of the code. |
12459 Possible Causes:
12459 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12459 Code
- Inspect all the connections ignition coil 'j' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns