VW Code 12457
12457 Description And Summary : |
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Diameter in engine data bus powertrain, implausible message from control module battery monitoring run rough, or might suddenly stall at any given speed o2 sensor signal bank 1 sensor 2, biased / stuck lean and wait then turbocharger control module 2, implausible message will delay your vw fault. |
12457 Possible Causes:
12457 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12457 Code
- Inspect all the connections injector control pressure, too low - engine cranking
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns