Help needed, electrical problems

Followers

13 September, 20205 yr

Hello, I am having troubles with my 2003 Octavia VRS.
The engine light and the ESP light are on.
I have tried to change some relays and checked some ground connections under the battery and under the windshield by the ECU-box. Any suggestions? Thanks in advance.

These are the fault codes I have on the car:

01 Engine electronics:
Fault codes:

   P1425
        P1117
        P1435
        P1421

03 Brake electronics:
Software version: 1C0907379K
Software version: 0103
Coding: 0021505
Fault code: 01314

13 September, 20205 yr

Author

To make it easier, here is what the codes are:

P1425 VOLKSWAGEN - Tank Ventilation Valve Short To Ground
P1117 VOLKSWAGEN - HO2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
P1117 VOLKSWAGEN - HO2S Sensor Heater Circuit Short To Ground Bank 1 Sensor 2

P1421 VOLKSWAGEN - Secondary Air Injection Valve Circuit Short To Ground

01314 - Engine Control Module: No Communications

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