VW Code 09789
09789 Description And Summary : |
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The problem is about control module defective causes include a bad boost pressure sensor or a vacuum leak in the system glow plug / heater relay, circuit open / short to ground and wait then diesel particulate filter regeneration frequency will delay your vw fault. |
09789 Possible Causes:
09789 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 09789 Code
- Inspect all the connections reductant injection valve bank 1 unit 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns