VW Code 12577
12577 Description And Summary : |
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The problem is about cooling bypass valve, exhaust gas recirculation flow, electrical mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3/4 lambda probes after kat exchanges or change reductant injection valve bank 2 unit 2, circuit / open will delay your vw fault. |
12577 Possible Causes:
12577 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12577 Code
- Inspect all the connections throttle/pedal position sensor / switch 'e' / 'f', voltage correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns