{"id":287627,"date":"2024-10-23T05:29:09","date_gmt":"2024-10-23T05:29:09","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287627"},"modified":"2024-11-04T09:10:42","modified_gmt":"2024-11-04T09:10:42","slug":"p205a-reductant-tank-level-sensor-circuit","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p205a-reductant-tank-level-sensor-circuit\/","title":{"rendered":"P205A &#8211; \u8fd8\u539f\u5242\u7f50\u6db2\u4f4d\u4f20\u611f\u5668\u7535\u8def"},"content":{"rendered":"<h2 id=\"urgency-and-driving-considerations\">\u7d27\u6025\u6027\u548c\u9a7e\u9a76\u8003\u8651<\/h2>\n<p>\u5b58\u50a8\u7684P205A\u4ee3\u7801\u88ab\u8ba4\u4e3a\u662f\u4e25\u91cd\u95ee\u9898\uff0c\u5e94\u5c3d\u5feb\u89e3\u51b3\u3002\u7ee7\u7eed\u9a7e\u9a76\u8be5\u4ee3\u7801\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u7684\u8f66\u8f86\u53ef\u80fd\u4f1a\u7981\u7528\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\uff0c\u53ef\u80fd\u5bfc\u81f4\u50ac\u5316\u5242\u635f\u574f\u3002\u5efa\u8bae\u5c3d\u5feb\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u7406\uff0c\u6700\u597d\u524d\u5f80\u6709\u8d44\u8d28\u7684\u673a\u68b0\u5e08\u6216\u7ecf\u9500\u5546\u5904\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230P205A\u4ee3\u7801\u3002\u4ece\u6211\u4eec\u7684\u7ecf\u9a8c\u6765\u770b\uff0c\u50cf\u5954\u9a70\u3001\u5b9d\u9a6c\u548c\u5965\u8fea\u8fd9\u6837\u7684\u6b27\u6d32\u54c1\u724c\uff0c\u5c24\u5176\u662f\u914d\u5907\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u7684\u67f4\u6cb9\u8f66\u578b\uff0c\u66f4\u5bb9\u6613\u51fa\u73b0\u6b64\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u4e0a\u5468\u6211\u4eec\u63a5\u5230\u4e86\u4e00\u8f86\u5954\u9a70Sprinter\uff0c\u867d\u7136\u66f4\u6362\u4e86\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u4f46P205A\u4ee3\u7801\u4ecd\u7136\u53cd\u590d\u51fa\u73b0\u3002\u7ecf\u8fc7\u8fdb\u4e00\u6b65\u8bca\u65ad\uff0c\u6211\u4eec\u53d1\u73b0\u95ee\u9898\u51fa\u5728\u6545\u969c\u7684SCR\u63a7\u5236\u5668\u4e0a\uff0c\u5bfc\u81f4\u8bfb\u53d6\u51fa\u73b0\u5f02\u5e38\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6211\u4eec\u5728\u7f8e\u56fd\u4ea7\u548c\u4e9a\u6d32\u4ea7\u7684\u8f66\u8f86\u4e0a\u770b\u5230P205A\u7684\u60c5\u51b5\u8f83\u5c11\uff0c\u4f46\u5728\u96ea\u4f5b\u5170\u3001GMC\u548c\u798f\u7279\u7b49\u54c1\u724c\u7684\u67f4\u6cb9\u5361\u8f66\u4e0a\u4e5f\u4e0d\u7b97\u7f55\u89c1\u3002\u65e0\u8bba\u8f66\u8f86\u54c1\u724c\uff0c\u6211\u4eec\u4e86\u89e3\u5230\uff0c\u5f7b\u5e95\u8bca\u65ad\u6574\u4e2a\u8fd8\u539f\u5242\u7cfb\u7edf\uff08\u5305\u62ec\u7ebf\u8def\u3001\u8fde\u63a5\u5668\u548c\u63a7\u5236\u6a21\u5757\uff09\u5bf9\u6709\u6548\u89e3\u51b3\u6b64\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/div>\n<h2 id=\"code-details\">\u4ee3\u7801\u8be6\u60c5<\/h2>\n<p>P205A\u662f\u9002\u7528\u4e8e\u8bb8\u591aOBD-II\u8f66\u8f86\uff081996\u5e74\u53ca\u4ee5\u540e\uff09\u7684\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u5305\u62ec\u5954\u9a70\u3001Sprinter\u3001\u798f\u7279\u3001GMC\u548c\u96ea\u4f5b\u5170\u3002\u867d\u7136\u8be5\u4ee3\u7801\u662f\u901a\u7528\u7684\uff0c\u4f46\u5177\u4f53\u7684\u7ef4\u4fee\u6b65\u9aa4\u53ef\u80fd\u56e0\u8f66\u8f86\u7684\u5e74\u4efd\u3001\u54c1\u724c\u3001\u578b\u53f7\u548c\u52a8\u529b\u603b\u6210\u914d\u7f6e\u800c\u5f02\u3002<\/p>\n<p>\u8be5\u4ee3\u7801\u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u5f02\u5e38\u3002\u5728\u591a\u4e2a\u70b9\u706b\u5faa\u73af\u4e2d\u68c0\u6d4b\u5230\u6545\u969c\u65f6\uff0c\u6545\u969c\u6307\u793a\u706f\uff08MIL\uff09\u53ef\u80fd\u4f1a\u70b9\u4eae\u3002<\/p>\n<h2 id=\"parts-involved\">\u6d89\u53ca\u7684\u90e8\u4ef6<\/h2>\n<p>\u6d89\u53ca\u7684\u4e3b\u8981\u90e8\u4ef6\u662f\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u5b83\u662f\u4e00\u4e2a\u53ef\u53d8\u7535\u963b\u5668\uff0c\u7528\u4e8e\u6d4b\u91cf\u8fd8\u539f\u5242\u7f50\u5185\u7684\u6e29\u5ea6\u3002\u8fd8\u539f\u5242\u901a\u5e38\u662f\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\uff0c\u8fd9\u662fSCR\u7cfb\u7edf\u7684\u5173\u952e\u90e8\u5206\uff0c\u53ef\u51cf\u5c11\u67f4\u6cb9\u8f66\u8f86\u4e2d\u7684\u6c2e\u6c27\u5316\u7269\uff08NOx\uff09\u6392\u653e\u3002<\/p>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>P205A\u4ee3\u7801\u7684\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7ebf\u8def\u95ee\u9898\uff08\u5982\u635f\u574f\u7684\u7ebf\u8def\u3001\u8fde\u63a5\u4e0d\u826f\uff09<\/li>\n<li>PCM\u6216SCR\u63a7\u5236\u5668\u6545\u969c<\/li>\n<\/ul>\n<h2 id=\"diagnosing-steps\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<ol>\n<li>\u4f7f\u7528\u8bca\u65ad\u626b\u63cf\u4eea\u68c0\u7d22\u6240\u6709\u5b58\u50a8\u7684\u4ee3\u7801\u548c\u76f8\u5173\u7684\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u67e5\u9605\u8f66\u8f86\u7279\u5b9a\u7684\u8bca\u65ad\u4fe1\u606f\uff0c\u5982\u6280\u672f\u670d\u52a1\u516c\u544a\uff08TSB\uff09\uff0c\u4ee5\u83b7\u53d6\u6709\u7528\u7684\u89c1\u89e3\u3002<\/li>\n<li>\u4f7f\u7528\u6570\u5b57\u7535\u538b\/\u6b27\u59c6\u8868\uff08DVOM\uff09\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u786e\u4fdd\u7b26\u5408\u5236\u9020\u5546\u7684\u89c4\u683c\u3002<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6b63\u5e38\uff0c\u4f7f\u7528DVOM\u6d4b\u8bd5\u6e29\u5ea6\u4f20\u611f\u5668\u4e0ePCM\/SCR\u63a7\u5236\u5668\u4e4b\u95f4\u7684\u8f93\u5165\u548c\u8f93\u51fa\u4fe1\u53f7\u7535\u8def\u3002<\/li>\n<\/ol>\n<h2 id=\"solutions-and-prevention\">\u89e3\u51b3\u65b9\u6848\u548c\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u6839\u636e\u8bca\u65ad\u7ed3\u679c\uff0c\u89e3\u51b3\u65b9\u6848\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u66f4\u6362\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668<\/li>\n<li>\u4fee\u590d\u6216\u66f4\u6362\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u635f\u574f\u7ebf\u8def<\/li>\n<li>\u66f4\u65b0PCM\u6216SCR\u63a7\u5236\u5668\u7684\u8f6f\u4ef6\uff08\u5982\u9002\u7528\uff09<\/li>\n<li>\u66f4\u6362PCM\u6216SCR\u63a7\u5236\u5668\uff08\u5982\u6709\u6545\u969c\uff09<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u9632\u6b62\u6b64\u7c7b\u95ee\u9898\u7684\u518d\u6b21\u53d1\u751f\uff0c\u8bf7\u786e\u4fddSCR\u7cfb\u7edf\u7684\u6b63\u5e38\u7ef4\u62a4\uff0c\u5305\u62ec\u5b9a\u671f\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684DEF\u8865\u5145\u6db2\uff0c\u5e76\u53ca\u65f6\u89e3\u51b3\u4efb\u4f55\u6cc4\u6f0f\u6216\u635f\u574f\u3002<\/p>\n<h2 id=\"repair-costs\">\u7ef4\u4fee\u8d39\u7528<\/h2>\n<p>\u4fee\u590dP205A\u4ee3\u7801\u7684\u8d39\u7528\u53ef\u80fd\u56e0\u5177\u4f53\u95ee\u9898\u548c\u8f66\u8f86\u4e0d\u540c\u800c\u6709\u6240\u5dee\u5f02\u3002\u4e00\u822c\u800c\u8a00\uff0c\u9884\u8ba1\u8d39\u7528\u4e3a\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$100-$300\uff08\u20ac85-\u20ac255\uff09<\/li>\n<li>\u7ebf\u8def\u4fee\u7406\uff1a$50-$200\uff08\u20ac43-\u20ac170\uff09<\/li>\n<li>PCM\u6216SCR\u63a7\u5236\u5668\u66f4\u6362\uff1a$500-$1,500\uff08\u20ac425-\u20ac1,275\uff09<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u8d39\u7528\u53ef\u80fd\u5728\u6bcf\u5c0f\u65f6$75\u5230$150\uff08\u20ac64\u5230\u20ac128\uff09\u4e4b\u95f4\uff0c\u8bca\u65ad\u548c\u7ef4\u4fee\u901a\u5e38\u9700\u89811\u81f34\u5c0f\u65f6\u3002<\/p>\n<h2 id=\"related-issues-and-fault-codes\">\u76f8\u5173\u95ee\u9898\u548c\u6545\u969c\u4ee3\u7801<\/h2>\n<p>\u53ef\u80fd\u4e0eP205A\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>P20EE\uff1aSCR NOx\u50ac\u5316\u5242\u6548\u7387\u4f4e\u4e8e\u9608\u503c<\/li>\n<li>P2BAE\uff1a\u8fd8\u539f\u5242\u538b\u529b\u8fc7\u4f4e<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20e8-scr-nox-catalyst-efficiency-below-threshold\/\" title=\"P20E8\uff1a\u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8\">P20E8\uff1a\u8fd8\u539f\u5242\u538b\u529b\u8fc7\u9ad8<\/a><\/li>\n<li>P2BAF\uff1a\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4ee3\u7801\u8868\u660eSCR\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u5e94\u5168\u9762\u89e3\u51b3\uff0c\u4ee5\u786e\u4fdd\u6392\u653e\u63a7\u5236\u548c\u8f66\u8f86\u6027\u80fd\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p205a\">\u5173\u4e8eP205A\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"1-what-does-the-obd-ii-code-p205a-mean-\">OBD-II\u4ee3\u7801P205A\u4ee3\u8868\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P205A\u662f\u4e00\u4e2a\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u8868\u793a\u52a8\u529b\u603b\u6210\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7535\u538b\u5f02\u5e38\u3002<\/p>\n<h3 id=\"2-what-are-the-common-symptoms-of-code-p205a-\">P205A\u4ee3\u7801\u7684\u5e38\u89c1\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u75c7\u72b6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53d1\u52a8\u673a\u68c0\u67e5\u706f\u4eae\u8d77<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d<\/li>\n<li>\u71c3\u6cb9\u6548\u7387\u964d\u4f4e<\/li>\n<li>\u52a0\u901f\u65f6\u6392\u653e\u8fc7\u591a\u7684\u9ed1\u70df<\/li>\n<\/ul>\n<h3 id=\"3-how-severe-is-code-p205a-\">P205A\u4ee3\u7801\u6709\u591a\u4e25\u91cd\uff1f<\/h3>\n<p>P205A\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2a\u4e25\u91cd\u7684\u4ee3\u7801\uff0c\u5e94\u5c3d\u5feb\u89e3\u51b3\u3002\u5ffd\u89c6\u5b83\u53ef\u80fd\u4f1a\u7981\u7528\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\uff0c\u5bfc\u81f4\u50ac\u5316\u5242\u635f\u574f\u3002<\/p>\n<h3 id=\"4-what-are-the-possible-causes-of-code-p205a-\">P205A\u4ee3\u7801\u7684\u53ef\u80fd\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7684\u7ebf\u8def\u95ee\u9898\uff08\u5982\u635f\u574f\u7684\u7ebf\u8def\u3001\u8fde\u63a5\u4e0d\u826f\uff09<\/li>\n<li>PCM\u6216SCR\u63a7\u5236\u5668\u6545\u969c<\/li>\n<\/ul>\n<h3 id=\"5-what-parts-are-involved-with-code-p205a-\">P205A\u4ee3\u7801\u6d89\u53ca\u54ea\u4e9b\u90e8\u4ef6\uff1f<\/h3>\n<p>\u4e3b\u8981\u6d89\u53ca\u7684\u90e8\u4ef6\u662f\u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u5b83\u7528\u4e8e\u6d4b\u91cf\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7f50\u5185\u7684\u6e29\u5ea6\u3002DEF\u662fSCR\u7cfb\u7edf\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n<h3 id=\"6-what-tools-are-needed-to-diagnose-code-p205a-\">\u8bca\u65adP205A\u4ee3\u7801\u9700\u8981\u54ea\u4e9b\u5de5\u5177\uff1f<\/h3>\n<p>\u8981\u6b63\u786e\u8bca\u65adP205A\uff0c\u60a8\u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u7528\u4e8e\u68c0\u7d22\u4ee3\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e\u7684OBD-II\u626b\u63cf\u4eea<\/li>\n<li>\u7528\u4e8e\u6d4b\u8bd5\u7684\u6570\u5b57\u7535\u538b\/\u6b27\u59c6\u8868\uff08DVOM\uff09<\/li>\n<li>\u8f66\u8f86\u7279\u5b9a\u7684\u8bca\u65ad\u4fe1\u606f\uff08\u5982\u7ebf\u8def\u56fe\u3001\u89c4\u683c\uff09<\/li>\n<\/ul>\n<h3 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