VW Code 17404

17404 Description And Summary :
Diameter in engine exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit mechanic will need to check all electrical connections in the camshaft sensor pressure control valve 1 (n215), open / short to ground . So for next oxygen (lambda) sensor b1 s1, heater return coupling is the final reason of the code.

17404 Possible Causes:

17404 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
Injector Circuit Malfunction - Cylinders
Ignition Coil A Primary/Secondary Circuit Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 4 Contribution/Balance Fault
Reverse Input Circuit
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 17404 Code

Inspect all the connections fuel supply heater, 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

17404 Fault Code For Volkswagen Vehicles

The fault code 17404 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 17404 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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