这个码是什么意思？
以下表述对应所列厂商与通报。使用前请核对完整报码、报码模块、年款和发动机。
故障码描述检测到的异常，不直接指定必须更换的零件。
厂商原文中的含义
原文含义可能随车型和后缀变化。此处按来源展示，不代表通用诊断结论。
C1999-86Data set Failure-Signal InvalidC1999-86Dataset Failure-Signal Invalid厂商技术资料
5以下为英文原文
ALFA ROMEO
原文报码 C1999-86
Body Control Module (BCM) Reconfigure for Forward Collision Warning (FCW) This bulletin involves reconfiguring the BCM. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
ALFA ROMEO
原文报码 C1999-86
Body Control Module (BCM) Reconfigure for Forward Collision Warning (FCW) This bulletin involves reconfiguring the BCM. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
ALFA ROMEO
原文报码 C1999-86
MODULE, Lane Departure Warning (Forward facing camera/half module) For vehicles w/ Driver Assistance features, prior to replacing the HALF module (forward-facing camera module) refer to STAR ONLINE S2008000001: During…
ALFA ROMEO
原文报码 C1999-86
Body Control Module (BCM) Reconfigure for Forward Collision Warning (FCW) This bulletin involves reconfiguring the BCM. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
FORD, MERCURY
原文报码 C1999
POWER SLIDING DOORS AND POWER LIFTGATE INOPERATIVE WHEN USING THE OVERHEAD CONSOLE AND/OR REMOTE KEYLESS ENTRY TRANSMITTER OPEN/CLOSE BUTTONS - DIAGNOSTIC TROUBLE CODE (DTC) C1999. *TT
核对适用车辆
6车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。
更换零件之前
记录报码及冻结帧，检查蓄电池状态、相关报码和可见的线束或软管损伤。按照该车诊断流程和测试结果决定维修，避免仅凭故障码换件。
还能继续驾驶吗？
仅靠故障码无法判断是否适合继续行驶。故障灯闪烁、严重抖动、过热、机油压力报警或制动转向异常都需及时处理。影响车辆控制或发动机安全时，应在安全地点停车并寻求帮助。以车辆手册为准。