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故障现象一辆2010款别克英朗轿车.车架号为LSGPB64E6ASxxxxxx,带有一键起动功能,行驶里程约为3.6万km,据驾驶人反映,该车每次起动时,第一次按下起动按键,车辆无任何反应,需再次按下起动按键,发动机才能起动着机。故障诊断接车后,试车验证故障,故障确实如驾驶人所述。首次按下起动按键时,车辆无反应,而再次按下起动按键时,发动机能够正常起动,且车辆无任何异常。连接GDS对车辆进行检测,得到2个故障代码(图1)。查阅相关资料可知,故障代码U1814 02产生的条件为
Symptom A 2010 Buick Hideo sedan. Frame number LSGPB64E6ASxxxxxx, with a key start function, mileage is about 36,000 km, according to the driver reflected, the car each start, the first press the start button, Vehicles without any response, need to press the start button again, the engine can start the machine. Troubleshooting After receiving the car, test to verify the fault, the fault is indeed as described by the driver. The first time you press the start button, the vehicle does not respond, and press the start button again, the engine can start normally, and the vehicle without any exception. Connected to the GDS to test the vehicle, get 2 fault codes (Figure 1). Access to relevant information shows that the fault code U1814 02 generated conditions