VW Code 01704

01704 Description And Summary :
The problem is about o2 sensor reference voltage bank 1 sensor 1, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system intake flap motor 2 (v275), no signal and transmission output speed sensor 2 (g196), no signal is the final reason of the code.

01704 Possible Causes:

01704 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Crankshaft Position Sensor A Circuit Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Crankshaft Position Sensor A Circuit Low Input
Exhaust Gas Recirculation Sensor B Circuit High
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 01704 Code

Inspect all the connections control module defective
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01704 Fault Code For Volkswagen Vehicles

The fault code 01704 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 01704 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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