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Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Where to start troubleshooting

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3 years 6 months ago #54975 by spit64
Where to start troubleshooting was created by spit64
Opel Astra 2005 engine xep16 Radio not working I guess I start there to test power and grounds but what do you think with this fault codes

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3 years 6 months ago #55077 by Speedy01
Replied by Speedy01 on topic Where to start troubleshooting
I would first clear all the codes and see which ones come back.

If you got a scope and break out box, check the Can Bus communications high, low.

Identify how many modules the car has and how the they are connected wiring wise.
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3 years 5 months ago #55113 by spit64
Replied by spit64 on topic Where to start troubleshooting
Thanks I do that next time I got the car I have 2 ch Pico and Godiag GT100

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