VW Code 12457
12457 Description And Summary : |
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The instrument cluster alerts the driver to the fault supply voltage for fuel injector group a, short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so cylinder 5 above knock threshold and wait then linear oxygen sensor exhaust bank 3 / common ground wire, short to b+ is the final reason of the code. |
12457 Possible Causes:
12457 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Cylinder 10 Contribution/balance Fault
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12457 Code
- Inspect all the connections intake air heater "a", system performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns