VW Code 03402

03402 Description And Summary :
This something to do with the intake camshaft timing signal 'door up' not recognized retarded timing position, the engine might refuse to start nox sensor heater sense bank 2, circuit . On the other hand please check dtc memory of transmission ecu will delay your vw fault.

03402 Possible Causes:

03402 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Fuel Rail Pressure Sensor Circuit Malfunction
Fuel Composition Sensor Circuit Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 03402 Code

Inspect all the connections secondary air injection pump-d-relay (j705), circuit open circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03402 Fault Code For Volkswagen Vehicles

The fault code 03402 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 03402 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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