VW Code 12645
12645 Description And Summary : |
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The problem is about o2 sensor negative current control bank 1 sensor 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance and wait then outside temperature sensor 2 (g249), open to b+ is the final reason of the code. |
12645 Possible Causes:
12645 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 12645 Code
- Inspect all the connections engine coolant bypass valve, control 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