更换导航主机 20%
更换GPS天线 60%
检查GPS线路 20%
https://qc.dianpusou.com/tag/%e5%98%89%e9%99%b570%e5%8f%91%e5%8a%a8%e4%b8%8d%e5%bc%80%e6%98%af%e6%80%8e%e4%b9%88%e5%9b%9e%e4%ba%8b
更换导航主机 20%
更换GPS天线 60%
检查GPS线路 20%
https://qc.dianpusou.com/tag/%e5%98%89%e9%99%b570%e5%8f%91%e5%8a%a8%e4%b8%8d%e5%bc%80%e6%98%af%e6%80%8e%e4%b9%88%e5%9b%9e%e4%ba%8b