susan_mystic5
S10 Alarm System Siren Fault
Summary of the thread
A 2013 Chevrolet S10 diesel was experiencing a non-functional alarm system with an error indicating a siren communication fault. The suspected causes included a defective cable or plug connection. After checking the fuses and considering the possibility of a faulty siren unit, it was recommended to visit a workshop for a proper diagnosis. The issue was resolved by cleaning a corroded connector on the siren's wiring harness, restoring the alarm's functionality.
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4 comment(s)
susan_mystic5 (community.author)
The error code is rather generic, just points to the siren communication circuit. I checked the fuses, and they seem fine. How would I go about testing the siren unit itself to confirm it's functional?
leazimmermann9
Without specific details, it's tricky. A faulty siren unit is possible, but so is the wiring. It might be worth a visit to a workshop. Estimated repair cost is around 95€. They can properly diagnose the wiring and siren.
susan_mystic5 (community.author)
Thank you for the advice! I took it to the workshop as you suggested. It turned out to be a corroded connector on the siren's wiring harness, just as suspected. They cleaned it up, and the alarm is working perfectly again. I really appreciate the help!
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CHEVROLET
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S10
leazimmermann9
That's definitely a weird one! Does the error code provide any specific cable or connection details? Are you certain it's not just a blown fuse or a dead siren unit?