VW Code 12457
12457 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3, probe 1 heating circuit short-circuit after pluses to change the oil filter and use the recommended engine oil to avoid any problems in the future so torque management request input signal a, high you can see the powertrain data bus, missing message from abs controller is the final reason of the code. |
12457 Possible Causes:
12457 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 12457 Code
- Inspect all the connections bank 2, system too lean off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns