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已經用elm327清除故障碼，如果沒有再次故障原廠測試是無DTC的。
常遇到電瓶電壓不足(電瓶快掛)(接地不良)，
HUD干擾，先停用抬頭顯示器試試吧
網絡通信故障診斷代碼
網絡 DTC S（U-前綴碼）往往是間歇性的問題，如破損電線或低電池電壓事件的結果。此外，車輛維修程序（如模塊重新編程或診斷與斷開模塊）通常被設置網絡 DTC 秒。更換一個模塊來解決網絡 DTC 是不可能解決的問題。為了防止復發的間歇性網絡的關注，檢查所有的網絡佈線，尤其是在網上和模塊連接器。測試車輛的電池，以確保車輛的電壓是穩定的。
推薦做法： 清除 故障碼 並重新測試。如果 DTC 重複，測試車輛通信網絡。
Network Communication Diagnostic Trouble Codes
Network DTC s (U-prefix codes) are often a result of intermittent concerns such as damaged wiring or low battery voltage
occurrences. Additionally, vehicle repair procedures (such as module reprogramming or diagnostics with modules disconnected)
often set network DTC s. Replacing a module to resolve a network DTC is unlikely to resolve the concern. To prevent recurrence
of intermittent network concerns, inspect all network wiring, especially in-line and module connectors. Test the vehicle battery to
make sure the vehicle voltage will be stable.
Recommended practice: Clear the DTC and retest. If the DTC repeats, test the vehicle communication network.
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