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    2013 VW Jetta 2.5 horns

    Alarm and regular horn has not been working. Checked fuses - all good. Been studying fsm wiring. scaned codes are; 01134 alarm horn h12; 03266 Control circuit for signal horn; 01259 fuel pump relay J17. Switched 646 relay with the other 646 relay (no change) Traced j17 and I think it is the 646...