NOTE: if you must remove any component and sent to workshop, print the PFR (Post Flight Report) and TDS (TroubleShootingData) (if existed), then attach printed documents on the part.
The operation principle of two-stage serial data bus for Shanghai GM Buick GL car was introduced in this paper, a special trouble diagnosis and shooting was also discussed.
介绍了上海通用别克GL型轿车二级串行数据总线的工作原理，论述了其一起数据传输特殊故障的诊断与排除。
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This software also includes tyre specification management, database management, report management, history data query, trouble-shooting and so on.