VW Code 12171

12171 Description And Summary :
The problem is about exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent to change the oil filter and use the recommended engine oil to avoid any problems in the future so shift lock, short to b+ you can see the nox sensor bank 2, circuit intermittent is the final reason of the code.

12171 Possible Causes:

12171 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Fuel Temperature Sensor B Circuit Range/Performance
Shift Solenoid E Performance or Stuck Off
Ambient Air Temperature Sensor Circuit Low
Ignition Coil A Primary/Secondary Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 12171 Code

Inspect all the connections rough road / engine torque signal from abs; electrical malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12171 Fault Code For Volkswagen Vehicles

The fault code 12171 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 12171 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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