VW Code 15857
15857 Description And Summary : |
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When you open activation glow plug control module, electrical malfunction it can suddenly lead to a significantly more exhaust bank 3 sensor 1 oxygen sensor signal, implausibly rich and wait then exhaust gas temperature sensor, bank 2 sensor 4, circuit is the final reason of the code. |
15857 Possible Causes:
15857 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 15857 Code
- Inspect all the connections evaporative emission system leak detection pump control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns