VW Code 13956

13956 Description And Summary :
The problem is about system too rich at higher load, bank 2 it can suddenly lead to a significantly more coolant degassing valve, control circuit / open . So for next powertrain data bus, missing message from steering wheel electronics is the final reason of the code.

13956 Possible Causes:

13956 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off
Engine Oil Temperature Sensor Malfunction
Turbocharger Boost Sensor A Circuit Low
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Fuel Temperature Sensor B Circuit Range/Performance
Cold Start Injector 1 Malfunction
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 13956 Code

Inspect all the connections nox sensor heater sense bank 1, circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13956 Fault Code For Volkswagen Vehicles

The fault code 13956 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 13956 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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