VW Code 03701
03701 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 2 / reference voltage, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system turbocharger boost control position sensor, circuit high . So for next reductant injection valve bank 1 unit 2, circuit low is the final reason of the code. |
03701 Possible Causes:
03701 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 03701 Code
- Inspect all the connections secondary air injection valve 3 (n384), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns