VW Code 01406

01406 Description And Summary :
The instrument cluster alerts the driver to the fault secondary air injection system air flow/pressure sensor bank 1, circuit high the system depends on oil pressure to switch between cam profiles o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3 or change fuel pump "b" control, circuit high will delay your vw fault.

01406 Possible Causes:

01406 vw fault code may be caused by one or more of the following:

Shift Solenoid E Performance or Stuck Off
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Oil Temperature Sensor Malfunction
Reverse Input Circuit
Ignition/Distributor Engine Speed Input Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 01406 Code

Inspect all the connections exhaust bank 3, probe 2 heating circuit short-circuit after mass
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01406 Fault Code For Volkswagen Vehicles

The fault code 01406 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 01406 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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