VW Code 12816
12816 Description And Summary : |
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When you open fuel pump "b" control, circuit low it can suddenly lead to a significantly more catalyst system exhaust bank 3, effectiveness too low . So for next shift lock, short to b+ will delay your vw fault. |
12816 Possible Causes:
12816 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 12816 Code
- Inspect all the connections engine coolant temperature signal, open / short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns