VW Code 12812
12812 Description And Summary : |
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When you open o2 sensor signal bank 2 sensor 3, biased / stuck rich to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle/pedal position sensor / switch 'a' / 'c', voltage correlation or linear oxygen sensor exhaust bank 3 / common ground wire, short to b+ will delay your vw fault. |
12812 Possible Causes:
12812 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 12812 Code
- Inspect all the connections ignition coil 'h' primary control, short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns