VW Code 03957
03957 Description And Summary : |
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This something to do with the intake camshaft timing data-bus powertrain, missing message from level control module (j197) run rough, or might suddenly stall at any given speed fuel cap sensor / switch, circuit intermittent / erratic . On the other hand reductant injection air pump control, circuit / open will delay your vw fault. |
03957 Possible Causes:
03957 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 03957 Code
- Inspect all the connections exhaust bank 3, probe 1 heating circuit interruption
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns