OBD灯亮了？别慌，带你一探究竟这到底是个啥故障灯

OBD（On-Board Diagnostics，车载诊断系统）灯亮通常意味着车辆的电子控制系统出现了故障。这个故障灯可能指示多种不同的问题，具体取决于车辆的品牌、型号以及所亮起的具体故障代码。

1. 发动机控制模块（ECM）故障：

- 故障代码：P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, P0310, P0311, P0312, P0313, P0314, P0315, P0316, P0317, P0318, P0319, P0320, P0321, P0322, P0323, P0324, P0325, P0326, P0327, P0328, P0329, P0330, P0331, P0332, P0333, P0334, P0335, P0336, P0337, P0338, P0339, P0340, P0341, P0342, P0343, P0344, P0345, P0346, P0347, P0348, P0349, P0350, P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358, P0359, P0360, P0361, P0362, P0363, P0364, P0365, P0366, P0367, P0368, P0369, P0370, P0371, P0372, P0373, P0374, P0375, P0376, P0377, P0378, P0379, P0380, P0381, P0382, P0383, P0384, P0385, P0386, P0387, P0388, P0389, P0390, P0391, P0392, P0393, P0394, P0395, P0396, P0397, P0398, P0399, P400, P401, P402, P403, P404, P405, P406, P407, P408, P409, P410, P411, P412, P413, P414, P415, P416, P417, P418, P419, P420, P421, P422, P423, P424, P425, P426, P427, P428, P429, P430, P431, P432, P433, P434, P435, P436, P437, P438, P439, P440, P441, P442, P443, P444, P445, P446, P447, P448, P449, P450, P451, P452, P453, P454, P455, P456, P457, P458, P459, P460, P461, P462, P463, P464, P465, P466, P467, P468, P469, P470, P471, P472, P473, P474, P475, P476, P477, P478, P479, P480, P481, P482, P483, P484, P485, P486, P487, P488, P489, P490, P491, P492, P493, P494, P495, P496, P497, P498, P499, P500