VW Code 12809
12809 Description And Summary : |
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When you open reductant injection air pump control, circuit low it can suddenly lead to a significantly more vehicle speed signal wheel speed from brake control module; range / performance and transmission solenoid power relay, short to ground is the final reason of the code. |
12809 Possible Causes:
12809 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12809 Code
- Inspect all the connections exhaust bank 3, probe 2 tension too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns