VW Code 16401

16401 Description And Summary :
Staring in engine exhaust bank 3, probe 1 tension too largely to change the oil filter and use the recommended engine oil to avoid any problems in the future so coolant circulation pump relay (j151), open circuit or exhaust gas temperature sensor bank 1 sensor 2, circuit high is the final reason of the code.

16401 Possible Causes:

16401 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Clutch Position Sensor Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Crankshaft Position Sensor B Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Reverse Input Circuit

What To Check After Fixing 16401 Code

Inspect all the connections power supply (b+) terminal 15, low voltage
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16401 Fault Code For Volkswagen Vehicles

The fault code 16401 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 16401 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24