Transmission Does Not Respond to Shift Selector
如果变速箱未连接到车辆蓄电池，点火开关未连接或 J1939 数据链路的导线断开，则换档杆的工作可能不正常。 当钥匙起动开关接通时，换档选择器键盘将显示 "--" 而非 "NN"。
检查下列各项：
- 检查变速箱 ECU 的蓄电池电源。
- 检查变速箱 ECU 的点火电源。
- 检查 J1939 数据链路导线和接头。
- 确认是否编程设定了正确的变速箱 ECU 序列号。
请参阅本手册中的测试和调整, "电子控制模块 - 检查"部分了解更多信息。
如果换档杆只显示右侧数字，则可能没有编程设定变矩器序列号。 确认是否编程设定了正确的变矩器序列号。
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