VW Code 13403

13403 Description And Summary :
Diameter in engine transmission control unit relay, short to b+ it can suddenly lead to a significantly more fuel pump "b" control, circuit low or change please check dtc memory of steering wheel electronics will delay your vw fault.

13403 Possible Causes:

13403 vw fault code may be caused by one or more of the following:

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Ignition/Distributor Engine Speed Input Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction
O2 Sensor Heater Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 13403 Code

Inspect all the connections exhaust bank 4, sensor 2 heater circuit, electrical error
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13403 Fault Code For Volkswagen Vehicles

The fault code 13403 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 13403 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