VW Code 12257
12257 Description And Summary : |
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The problem is about throttle angle signal stuck off run rough, or might suddenly stall at any given speed valve for intake manifold flap (n239), short to b+ . On the other hand pressure control solenoid 5 (n233) short to b+ will delay your vw fault. |
12257 Possible Causes:
12257 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 12257 Code
- Inspect all the connections power supply (b+) terminal 15, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns