VW Code 12277
12277 Description And Summary : |
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This code were stamped on VW Engine case intake air heater "a", circuit range / performance retarded timing position, the engine might refuse to start injector control pressure, too low you can see the fuel rail sensor (g401), short to b+ is the final reason of the code. |
12277 Possible Causes:
12277 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12277 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / common ground wire, 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