Categories: Auto Repair

How to Repair VW Passat Dashboard Communication Problem

This article show you the guide on how to repair VW Passat dashboard communication problem.This trouble common caused by two reason,dashboard pcb was affected with damp,then data damaged or the communication controller chip was damaged.And if you want to know more VW Passat repair project,pleae check here:VW Passat repair case.

 

For first reason,the data damaged by water from heater and the second second reason,you will find all function work normally,but without communication on whole car.And you can not turn on ignition,and if you use code reader to read out DTC,it only show you with error code.It means that your dashboard data was damaged,you need to write a new and same data back in the dashboard,then programming key and ECU.

 

Disassemble the dashboard to remove the PCB,if you find the pcb was soppy,it suggest that your dashboard data maybe damaged.

 

Remove 93C46 8-foot chip,then write a same data with same instrument cluster model into 93C46 chip,then perform key learning and ECU synchronized.

 

And if the dashboard work correctly,but can not communicate with it.You can try to replace a new communication controller chip.

auto

Recent Posts

Jungheinrich Junior AME13 Spring-Loaded Brake Electrical Connection Removal Guide

It is necessary step to remove electrical connection cable before you do disassemble or some…

2 days ago

How to Use Nexiq eTechnician Function Test?

Nexiq eTechnician provides a number of special tests to assist you with your vehicle diagnostic…

4 days ago

JCB JS140 Excavator P0523-68 Engine Oil Pressure Low Solution

Here car-auto-repair.com show you guide on how to repair JCB JS140 excavator P0523-68 trouble code…

5 days ago

Volvo Version 3 and 4 Truck Oil Pressure Test by Volvo Techtool

Here is the instruction show you guide on how to use Volvo TECHTOOL and VOCOM adapter to…

6 days ago

How to Solve Allison 3000 & 4000 Gen5 P071A Neutral at Stop Input Failed ON

This instruction show you guide on how to solve Allison 3000 & 4000 Gen5 transmission…

1 week ago

Mack and Volvo EPA13 GHG17 Engine NOx Conversion Monitor Test

This instruction show you guide on how to use JPRO TO perform Mack and Volvo…

2 weeks ago