{"id":288130,"date":"2024-10-25T11:46:01","date_gmt":"2024-10-25T11:46:01","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=288130"},"modified":"2024-10-25T11:46:01","modified_gmt":"2024-10-25T11:46:01","slug":"spn-3712-diesel-particulate-filter-active-regeneration-inhibited-due-to-inhibit-switch","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/spn-3712-diesel-particulate-filter-active-regeneration-inhibited-due-to-inhibit-switch\/","title":{"rendered":"SPN 3712\uff1a\u7531\u4e8e\u6291\u5236\u5f00\u5173\u800c\u5bfc\u81f4\u67f4\u6cb9\u9897\u7c92\u8fc7\u6ee4\u5668\u4e3b\u52a8\u518d\u751f\u88ab\u7981\u6b62"},"content":{"rendered":"<p id=\"understanding-fault-code-spn-3712-in-cummins-engines\">\u4e86\u89e3\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u6545\u969c\u4ee3\u7801SPN 3712<\/p>\n<h2 id=\"urgency-and-severity\">\u7d27\u6025\u6027\u548c\u4e25\u91cd\u6027<\/h2>\n<p>\u5f53\u60a8\u7684\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u663e\u793a\u6545\u969c\u4ee3\u7801SPN 3712\u65f6\uff0c\u8fd9\u8868\u660e\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757(ECM)\u5df2\u6267\u884c<strong>\u53d1\u52a8\u673a\u529f\u7387\u964d\u989d\u548c\u8f66\u8f86\u9650\u901f<\/strong>\u3002\u867d\u7136\u8f66\u8f86\u4ecd\u53ef\u9a7e\u9a76\uff0c\u4f46\u8bf7\u52a1\u5fc5\u5c3d\u5feb\u5904\u7406\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u8fdb\u4e00\u6b65\u635f\u574f\u5e76\u6062\u590d\u53d1\u52a8\u673a\u7684\u5b8c\u5168\u6027\u80fd\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u6545\u969c\u4ee3\u7801SPN 3712\uff0c\u5c24\u5176\u662f\u5728\u6b27\u6d32\u8f66\u8f86\u4e2d\u3002\u5c31\u5728\u4e0a\u5468\uff0c\u4e00\u4f4d\u5ba2\u6237\u7684\u6885\u8d5b\u5fb7\u65af-\u5954\u9a70Sprinter\u51fa\u73b0\u4e86\u8be5\u4ee3\u7801\u3002\u7ecf\u8fc7\u8bca\u65ad\uff0c\u6211\u4eec\u53d1\u73b0SCR\u50ac\u5316\u5242\u7531\u4e8e\u52a3\u8d28DEF\uff08\u67f4\u6cb9\u6392\u653e\u6db2\uff09\u8d28\u91cf\u800c\u5835\u585e\u3002\u5728\u5927\u4f17\u548c\u5b9d\u9a6c\u7684\u67f4\u6cb9\u8f66\u578b\u4e2d\uff0c\u6211\u4eec\u4e5f\u9047\u5230\u7c7b\u4f3c\u60c5\u51b5\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u6545\u969c\u7684NOx\u4f20\u611f\u5668\u6216DEF\u55b7\u5c04\u5668\u5f15\u53d1\u4e86\u6545\u969c\u4ee3\u7801\u3002\u867d\u7136SPN 3712\u5728\u7f8e\u56fd\u5361\u8f66\uff08\u5982\u642d\u8f7d\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u7684Ram\uff09\u4e2d\u66f4\u5e38\u89c1\uff0c\u4f46\u6211\u4eec\u7684\u7ecf\u9a8c\u8868\u660e\u5b83\u53ef\u80fd\u5f71\u54cd\u5230\u5404\u79cd\u67f4\u6cb9\u8f66\u8f86\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u884c\u9a76\u91cc\u7a0b\u8f83\u9ad8\u6216\u7ef4\u62a4\u4e0d\u9891\u7e41\u7684\u8f66\u8f86\u3002\u65e0\u8bba\u54c1\u724c\u5982\u4f55\uff0c\u5c3d\u5feb\u89e3\u51b3\u6839\u672c\u539f\u56e0\u5bf9\u4e8e\u907f\u514d\u8fdb\u4e00\u6b65\u635f\u574f\u548c\u9ad8\u6602\u7ef4\u4fee\u8d39\u7528\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/div>\n<h2 id=\"code-specifics\">\u4ee3\u7801\u8be6\u60c5<\/h2>\n<p>SPN 3712\u662f\u5eb7\u660e\u65af\u7684\u7279\u5b9a\u6545\u969c\u4ee3\u7801\uff0c\u4e3b\u8981\u5f71\u54cd\u5176ISB 6.7L\u53d1\u52a8\u673a\u3002\u8be5\u4ee3\u7801\u5c5e\u4e8e\u53d1\u52a8\u673a\u7684\u6392\u653e\u63a7\u5236\u7cfb\u7edf\uff0c\u5f53ECM\u68c0\u6d4b\u5230SCR\uff08\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff09\u7cfb\u7edf\u6216\u76f8\u5173\u90e8\u4ef6\u7684\u95ee\u9898\u65f6\u4f1a\u89e6\u53d1\u3002<\/p>\n<h2 id=\"involved-parts-and-their-roles\">\u6d89\u53ca\u90e8\u4ef6\u53ca\u5176\u4f5c\u7528<\/h2>\n<p>SCR\u7cfb\u7edf\u8d1f\u8d23\u51cf\u5c11\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u7684NOx\uff08\u6c2e\u6c27\u5316\u7269\uff09\u6392\u653e\u3002\u5173\u952e\u90e8\u4ef6\u5305\u62ec\uff1a<\/p>\n<ol>\n<li><strong>DEF\u55b7\u5c04\u5668<\/strong>\uff1a\u5c06DEF\u55b7\u5165\u6392\u6c14\u6d41\u4ee5\u4fc3\u8fdbSCR\u8fc7\u7a0b\u3002<\/li>\n<li><strong>NOx\u4f20\u611f\u5668<\/strong>\uff1a\u5728SCR\u50ac\u5316\u5242\u524d\u540e\u6d4b\u91cfNOx\u6c34\u5e73\u4ee5\u76d1\u6d4b\u7cfb\u7edf\u6548\u7387\u3002<\/li>\n<li><strong>SCR\u50ac\u5316\u5242<\/strong>\uff1a\u4f7f\u7528DEF\u5c06NOx\u8f6c\u5316\u4e3a\u65e0\u5bb3\u7684\u6c2e\u6c14\u548c\u6c34\u3002<\/li>\n<\/ol>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>SPN 3712\u53ef\u80fd\u7531\u591a\u79cd\u95ee\u9898\u89e6\u53d1\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684NOx\u4f20\u611f\u5668\uff08\u5165\u53e3\u6216\u51fa\u53e3\uff09<\/li>\n<li>\u5835\u585e\u6216\u6545\u969c\u7684DEF\u55b7\u5c04\u5668<\/li>\n<li>\u4f4e\u8d28\u91cf\u6216\u53d7\u6c61\u67d3\u7684DEF<\/li>\n<li>\u53d7\u635f\u6216\u6548\u7387\u4f4e\u7684SCR\u50ac\u5316\u5242<\/li>\n<li>SCR\u7cfb\u7edf\u524d\u540e\u7684\u6392\u6c14\u6cc4\u6f0f<\/li>\n<\/ul>\n<h2 id=\"diagnosing-steps\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<ol>\n<li><strong>\u68c0\u67e5\u6d3b\u8dc3\u6545\u969c<\/strong>\uff1a\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u8bc6\u522b\u4efb\u4f55\u4e0eSCR\u7cfb\u7edf\u76f8\u5173\u7684\u6d3b\u8dc3\u6545\u969c\u4ee3\u7801\uff08\u4f8b\u5982NOx\u4f20\u611f\u5668\u6545\u969c\uff09\u3002<\/li>\n<li><strong>\u6267\u884c\u5f3a\u5236\u518d\u751f<\/strong>\uff1a\u542f\u52a8\u5f3a\u5236\u518d\u751f\u4ee5\u63d0\u5347\u6392\u6c14\u6e29\u5ea6\u5e76\u6e05\u9664SCR\u7cfb\u7edf\u4e2d\u7684\u70df\u7070\u5806\u79ef\u3002<\/li>\n<li><strong>\u76d1\u63a7NOx\u4f20\u611f\u5668\u8bfb\u6570<\/strong>\uff1a\u5728\u518d\u751f\u8fc7\u7a0b\u4e2d\uff0c\u89c2\u5bdfNOx\u4f20\u611f\u5668\u8bfb\u6570\uff0c\u786e\u4fdd\u5b83\u4eec\u8fbe\u5230\u6240\u9700\u7684\u6e29\u5ea6\uff08550\u00b0F\u6216288\u00b0C\uff09\u5e76\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u8bc4\u4f30SCR\u6548\u7387<\/strong>\uff1a\u518d\u751f\u540e\uff0c\u8e29\u4e0b\u52a0\u901f\u8e0f\u677f\u4ee5\u63d0\u9ad8NOx\u6c34\u5e73\u5e76\u5f3a\u5236ECM\u6ce8\u5165DEF\u3002\u76d1\u6d4bSCR\u50ac\u5316\u5242\u7684NOx\u51cf\u5c11\u60c5\u51b5\u4ee5\u8bc4\u4f30\u5176\u6548\u7387\u3002<\/li>\n<\/ol>\n<h2 id=\"solutions-and-repair-guide\">\u89e3\u51b3\u65b9\u6848\u53ca\u7ef4\u4fee\u6307\u5357<\/h2>\n<ol>\n<li><strong>\u66f4\u6362\u6545\u969c\u90e8\u4ef6<\/strong>\uff1a\u5982\u679c\u5df2\u8bca\u65ad\u51fa\u95ee\u9898\uff0c\u8bf7\u6309\u9700\u66f4\u6362\u6545\u969c\u7684NOx\u4f20\u611f\u5668\u3001DEF\u55b7\u5c04\u5668\u6216SCR\u50ac\u5316\u5242\u3002<\/li>\n<li><strong>\u6267\u884c\u5f3a\u5236\u518d\u751f<\/strong>\uff1a\u5b8c\u6210\u5b8c\u6574\u7684\u518d\u751f\u5468\u671f\u4ee5\u6e05\u9664\u6b8b\u7559\u70df\u7070\u5e76\u91cd\u7f6e\u7cfb\u7edf\u3002<\/li>\n<li><strong>\u6e05\u9664\u6545\u969c\u4ee3\u7801<\/strong>\uff1a\u5f53\u4e3b\u8981\u6545\u969c\u5f97\u5230\u89e3\u51b3\u4e14\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u540e\uff0c\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u6e05\u9664SPN 3712\u53ca\u76f8\u5173\u6545\u969c\u4ee3\u7801\u3002<\/li>\n<\/ol>\n<h2 id=\"prevention-and-maintenance\">\u9884\u9632\u548c\u7ef4\u62a4<\/h2>\n<ul>\n<li>\u5b9a\u671f\u7ef4\u62a4SCR\u7cfb\u7edf\uff0c\u5305\u62ecDEF\u8d28\u91cf\u68c0\u67e5\u548c\u6ee4\u82af\u66f4\u6362<\/li>\n<li>\u53ca\u65f6\u89e3\u51b3\u4efb\u4f55\u6392\u6c14\u6cc4\u6f0f\u4ee5\u907f\u514dSCR\u635f\u574f<\/li>\n<li>\u4f7f\u7528\u7b26\u5408ISO 22241\u6807\u51c6\u7684\u9ad8\u8d28\u91cfDEF<\/li>\n<li>\u8fdb\u884c\u4f8b\u884c\u7684\u5f3a\u5236\u518d\u751f\u4ee5\u4fdd\u6301SCR\u7cfb\u7edf\u6e05\u6d01\u548c\u9ad8\u6548<\/li>\n<\/ul>\n<h2 id=\"repair-costs\">\u7ef4\u4fee\u8d39\u7528<\/h2>\n<p>\u4fee\u590dSPN 3712\u6545\u969c\u7684\u8d39\u7528\u56e0\u6839\u672c\u539f\u56e0\u548c\u6d89\u53ca\u7684\u90e8\u4ef6\u800c\u5f02\u3002\u5e38\u89c1\u7ef4\u4fee\u7684\u4f30\u8ba1\u8d39\u7528\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>NOx\u4f20\u611f\u5668\u66f4\u6362\uff1a$400-$800 (\u20ac350-\u20ac700)<\/li>\n<li>DEF\u55b7\u5c04\u5668\u66f4\u6362\uff1a$600-$1,200 (\u20ac525-\u20ac1,050)<\/li>\n<li>SCR\u50ac\u5316\u5242\u66f4\u6362\uff1a$1,500-$3,000 (\u20ac1,300-\u20ac2,600)<\/li>\n<\/ul>\n<p><em>\u6ce8\u610f\uff1a\u4ef7\u683c\u4e3a\u4f30\u8ba1\u503c\uff0c\u53ef\u80fd\u4f1a\u6839\u636e\u4f4d\u7f6e\u548c\u7279\u5b9a\u53d1\u52a8\u673a\u578b\u53f7\u6709\u6240\u4e0d\u540c\u3002<\/em><\/p>\n<h2 id=\"related-fault-codes\">\u76f8\u5173\u6545\u969c\u4ee3\u7801<\/h2>\n<p>\u5e38\u89c1\u4e0eSPN 3712\u76f8\u5173\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>SPN 3714\uff1aSCR\u6548\u7387\u4f4e<\/li>\n<li>SPN 5246\uff1aSCR\u8bf1\u5bfc\uff08\u9650\u901f5\u82f1\u91cc\u6bcf\u5c0f\u65f6\uff09<\/li>\n<li>SPN 4094\uff1aNOx\u4f20\u611f\u5668\u6027\u80fd<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4e86\u89e3SPN 3712\u7684\u7d27\u6025\u6027\u3001\u539f\u56e0\u548c\u8bca\u65ad\u6b65\u9aa4\uff0c\u5de5\u7a0b\u5e08\u548c\u6280\u5e08\u53ef\u4ee5\u6709\u6548\u6392\u67e5\u5e76\u4fee\u590d\u5eb7\u660e\u65af\u53d1\u52a8\u673a\uff0c\u6700\u5927\u7a0b\u5ea6\u51cf\u5c11\u505c\u673a\u65f6\u95f4\uff0c\u786e\u4fdd\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-spn-3712\">\u5173\u4e8eSPN 3712\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-is-fault-code-spn-3712-\">\u4ec0\u4e48\u662f\u6545\u969c\u4ee3\u7801SPN 3712\uff1f<\/h3>\n<p>\u6545\u969c\u4ee3\u7801SPN 3712\u8868\u793a\u53d1\u52a8\u673a\u63a7\u5236\u6a21\u5757\uff08ECM\uff09\u68c0\u6d4b\u5230\u4e25\u91cd\u7684SCR\uff08\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff09\u7cfb\u7edf\u6545\u969c\uff0c\u5e76\u4e14\u5728\u6ca1\u6709\u91c7\u53d6\u4efb\u4f55\u4fee\u590d\u63aa\u65bd\u7684\u60c5\u51b5\u4e0b\u6301\u7eed\u5b58\u5728\u3002\u56e0\u6b64\uff0cECM\u5b9e\u65bd\u4e86\u53d1\u52a8\u673a\u529f\u7387\u964d\u989d\u548c\u8f66\u8f86\u9650\u901f\uff0c\u4ee5\u4fdd\u62a4\u53d1\u52a8\u673a\u5e76\u786e\u4fdd\u7b26\u5408\u6392\u653e\u6cd5\u89c4\u3002<\/p>\n<h3 id=\"how-urgent-is-it-to-address-spn-3712-\">\u89e3\u51b3SPN 3712\u6709\u591a\u7d27\u6025\uff1f<\/h3>\n<p>\u867d\u7136\u5728SPN 3712\u6fc0\u6d3b\u65f6\u8f66\u8f86\u4ecd\u53ef\u9a7e\u9a76\uff0c\u4f46\u52a1\u5fc5\u5c3d\u5feb\u5904\u7406\u6b64\u95ee\u9898\uff0c\u4ee5\u9632\u6b62\u8fdb\u4e00\u6b65\u635f\u574f\u5e76\u6062\u590d\u53d1\u52a8\u673a\u7684\u5b8c\u5168\u6027\u80fd\u3002\u5ffd\u89c6\u6b64\u6545\u969c\u4ee3\u7801\u53ef\u80fd\u5bfc\u81f4\u66f4\u4e25\u91cd\u7684\u964d\u989d\u751a\u81f3\u53d1\u52a8\u673a\u635f\u574f\u3002<\/p>\n<h3 id=\"is-spn-3712-specific-to-certain-engine-makes-or-models-\">SPN 3712\u662f\u5426\u7279\u5b9a\u4e8e\u67d0\u4e9b\u53d1\u52a8\u673a\u54c1\u724c\u6216\u578b\u53f7\uff1f<\/h3>\n<p>SPN 3712\u4e3b\u8981\u4e0e\u5eb7\u660e\u65af\u53d1\u52a8\u673a\u76f8\u5173\uff0c\u7279\u522b\u662fISB 6.7L\u548cISX\u7cfb\u5217\u3002\u7136\u800c\uff0c\u5176\u4ed6\u53d1\u52a8\u673a\u5236\u9020\u5546\u4e5f\u53ef\u80fd\u4f7f\u7528\u7c7b\u4f3c\u7684\u6545\u969c\u4ee3\u7801\u6765\u8868\u793aSCR\u76f8\u5173\u95ee\u9898\u3002<\/p>\n<h3 id=\"what-are-the-common-causes-of-spn-3712-\">SPN 3712\u7684\u5e38\u89c1\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 3712\u7684\u5e38\u89c1\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6545\u969c\u7684NOx\u4f20\u611f\u5668\uff08\u5165\u53e3\u6216\u51fa\u53e3\uff09<\/li>\n<li>\u5835\u585e\u6216\u6545\u969c\u7684DEF\u55b7\u5c04\u5668<\/li>\n<li>\u4f4e\u8d28\u91cf\u6216\u53d7\u6c61\u67d3\u7684DEF<\/li>\n<li>\u53d7\u635f\u6216\u6548\u7387\u4f4e\u7684SCR\u50ac\u5316\u5242<\/li>\n<li>SCR\u7cfb\u7edf\u524d\u540e\u7684\u6392\u6c14\u6cc4\u6f0f<\/li>\n<\/ul>\n<h3 id=\"what-components-are-involved-in-triggering-spn-3712-\">\u54ea\u4e9b\u7ec4\u4ef6\u53ef\u80fd\u5bfc\u81f4SPN 3712\u89e6\u53d1\uff1f<\/h3>\n<p>\u89e6\u53d1SPN 3712\u7684\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DEF\uff08\u67f4\u6cb9\u6392\u653e\u6db2\uff09\u55b7\u5c04\u5668<\/li>\n<li>NOx\u4f20\u611f\u5668\uff08\u5165\u53e3\u548c\u51fa\u53e3\uff09<\/li>\n<li>SCR\u50ac\u5316\u5242<\/li>\n<\/ul>\n<h3 id=\"what-is-the-role-of-the-scr-system-\">SCR\u7cfb\u7edf\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SCR\u7cfb\u7edf\u8d1f\u8d23\u51cf\u5c11\u67f4\u6cb9\u53d1\u52a8\u673a\u4e2d\u7684NOx\uff08\u6c2e\u6c27\u5316\u7269\uff09\u6392\u653e\u3002\u5b83\u4f7f\u7528DEF\uff0c\u5c06\u5176\u55b7\u5165\u6392\u6c14\u6d41\u4e2d\uff0c\u5728SCR\u50ac\u5316\u5242\u7684\u4f5c\u7528\u4e0b\uff0c\u5c06NOx\u8f6c\u5316\u4e3a\u65e0\u5bb3\u7684\u6c2e\u6c14\u548c\u6c34\u3002<\/p>\n<h3 id=\"how-can-i-diagnose-the-root-cause-of-spn-3712-\">\u5982\u4f55\u8bca\u65adSPN 3712\u7684\u6839\u672c\u539f\u56e0\uff1f<\/h3>\n<p>\u8bca\u65adSPN 3712\u7684\u6839\u672c\u539f\u56e0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u68c0\u67e5SCR\u7cfb\u7edf\u7684\u6d3b\u8dc3\u6545\u969c\u3002<\/li>\n<li>\u6267\u884c\u5f3a\u5236\u518d\u751f\u4ee5\u6e05\u9664\u70df\u7070\u5806\u79ef\u5e76\u63d0\u5347\u6392\u6c14\u6e29\u5ea6\u3002<\/li>\n<li>\u5728\u518d\u751f\u8fc7\u7a0b\u4e2d\u76d1\u6d4bNOx\u4f20\u611f\u5668\u8bfb\u6570\uff0c\u4ee5\u786e\u4fdd\u5176\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li>\u8bc4\u4f30SCR\u6548\u7387\uff0c\u89c2\u5bdf\u50ac\u5316\u5242\u5bf9NOx\u7684\u51cf\u6392\u60c5\u51b5\u3002<\/li>\n<\/ol>\n<h3 id=\"what-are-the-steps-to-clear-spn-3712-\">\u5982\u4f55\u6e05\u9664SPN 3712\uff1f<\/h3>\n<p>\u6e05\u9664SPN 3712\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u66f4\u6362\u4efb\u4f55\u6545\u969c\u7684\u90e8\u4ef6\uff08\u4f8b\u5982NOx\u4f20\u611f\u5668\u3001DEF\u55b7\u5c04\u5668\u6216SCR\u50ac\u5316\u5242\uff09\u3002<\/li>\n<li>\u6267\u884c\u5b8c\u6574\u7684\u518d\u751f\u5468\u671f\u4ee5\u6e05\u9664\u70df\u7070\u5e76\u91cd\u7f6e\u7cfb\u7edf\u3002<\/li>\n<li>\u5728\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u540e\uff0c\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u6e05\u9664\u6545\u969c\u4ee3\u7801\u3002<\/li>\n<\/ol>\n<h3 id=\"can-i-continue-driving-with-spn-3712-active-\">SPN 3712\u6fc0\u6d3b\u65f6\u53ef\u4ee5\u7ee7\u7eed\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u53ef\u4ee5\u5728SPN 3712\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u7ee7\u7eed\u9a7e\u9a76\uff0c\u4f46\u4e0d\u63a8\u8350\u8fd9\u6837\u505a\u3002\u53d1\u52a8\u673a\u529f\u7387\u548c\u901f\u5ea6\u5c06\u53d7\u5230\u9650\u5236\uff0c\u5ffd\u89c6\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u66f4\u4e25\u91cd\u7684\u95ee\u9898\u3002\u8bf7\u53ca\u65f6\u89e3\u51b3\u6545\u969c\u4ee5\u907f\u514d\u8fdb\u4e00\u6b65\u635f\u574f\u3002<\/p>\n<h3 id=\"what-is-the-difference-between-spn-3712-and-spn-3714-\">SPN 3712\u4e0eSPN 3714\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>SPN 3712\u8868\u793a\u66f4\u4e25\u91cd\u7684\u53d1\u52a8\u673a\u529f\u7387\u964d\u989d\uff0c\u800cSPN 3714\u901a\u5e38\u662fECM\u9996\u6b21\u6267\u884c\u7684\u964d\u989d\u3002\u5982\u679c\u95ee\u9898\u672a\u89e3\u51b3\uff0c\u5219\u53ef\u80fd\u540e\u7eed\u6fc0\u6d3bSPN 3712\u3002<\/p>\n<h3 id=\"can-spn-3712-be-triggered-by-issues-other-than-the-scr-system-\">SPN 3712\u662f\u5426\u53ef\u80fd\u7531SCR\u7cfb\u7edf\u4ee5\u5916\u7684\u95ee\u9898\u5f15\u53d1\uff1f<\/h3>\n<p>\u867d\u7136SPN 3712\u4e3b\u8981\u4e0eSCR\u7cfb\u7edf\u6545\u969c\u76f8\u5173\uff0c\u4f46\u5176\u4ed6\u5f71\u54cd\u53d1\u52a8\u673a\u6027\u80fd\u7684\u95ee\u9898\uff08\u5982\u6d3b\u8dc3\u7684\u71c3\u6cb9\u538b\u529b\u6545\u969c\uff09\u4e5f\u53ef\u80fd\u89e6\u53d1\u6b64\u4ee3\u7801\u3002<\/p>\n<h3 id=\"what-should-i-do-if-spn-3712-remains-active-after-clearing-other-faults-\">\u5982\u679c\u6e05\u9664\u5176\u4ed6\u6545\u969c\u540eSPN 3712\u4ecd\u7136\u6d3b\u8dc3\uff0c\u6211\u5e94\u8be5\u600e\u4e48\u505a\uff1f<\/h3>\n<p>\u5982\u679c\u6e05\u9664\u5176\u4ed6\u76f8\u5173\u6545\u969c\u540eSPN 3712\u4ecd\u7136\u6d3b\u8dc3\uff0c\u8bf7\u5c1d\u8bd5\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u5728\u94a5\u5319\u5173\u95ed\u7684\u60c5\u51b5\u4e0b\uff0c\u62d4\u4e0b\u8fdb\u6c14\u6b67\u7ba1\u538b\u529b\u4f20\u611f\u5668\u3002<\/li>\n<li>\u542f\u52a8\u53d1\u52a8\u673a\uff0c\u8ba9\u5176\u8fd0\u8f6c\u4e00\u5206\u949f\uff0c\u7136\u540e\u5173\u95ed\u94a5\u5319\u7b49\u5f85\u4e24\u5206\u949f\u3002<\/li>\n<li>\u91cd\u65b0\u63d2\u5165\u4f20\u611f\u5668\uff0c\u542f\u52a8\u53d1\u52a8\u673a\u5e76\u8ba9\u5176\u8fd0\u8f6c\u51e0\u5206\u949f\u3002<\/li>\n<li>\u5173\u95ed\u94a5\u5319\u7b49\u5f85\u51e0\u5206\u949f\uff0c\u7136\u540e\u91cd\u65b0\u542f\u52a8\uff0cSPN 3712\u5e94\u5df2\u4e0d\u518d\u6d3b\u8dc3\u3002<\/li>\n<\/ol>\n<h3 id=\"can-a-calibration-update-fix-spn-3712-\">\u6821\u51c6\u66f4\u65b0\u80fd\u89e3\u51b3SPN 3712\u5417\uff1f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u66f4\u65b0ECM\u6821\u51c6\u53ef\u4ee5\u5e2e\u52a9\u89e3\u51b3SPN 3712\uff0c\u5c24\u5176\u662f\u5728\u6545\u969c\u6301\u7eed\u6d3b\u8dc3\u4e14\u65e0\u5176\u4ed6\u660e\u663e\u539f\u56e0\u7684\u60c5\u51b5\u4e0b\u3002\u8bf7\u54a8\u8be2\u60a8\u7684\u53d1\u52a8\u673a\u5236\u9020\u5546\u6216\u4e13\u4e1a\u6280\u5e08\u4ee5\u83b7\u53d6\u5efa\u8bae\u3002<\/p>\n<h3 id=\"what-is-the-cost-to-repair-issues-related-to-spn-3712-\">\u4fee\u590d\u4e0eSPN 3712\u76f8\u5173\u95ee\u9898\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u590d\u4e0eSPN 3712\u76f8\u5173\u95ee\u9898\u7684\u8d39\u7528\u56e0\u6839\u672c\u539f\u56e0\u548c\u6d89\u53ca\u7684\u90e8\u4ef6\u800c\u5f02\u3002\u5e38\u89c1\u7ef4\u4fee\u7684\u4f30\u8ba1\u8d39\u7528\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>NOx\u4f20\u611f\u5668\u66f4\u6362\uff1a$400-$800 (\u20ac350-\u20ac700)<\/li>\n<li>DEF\u55b7\u5c04\u5668\u66f4\u6362\uff1a$600-$1,200 (\u20ac525-\u20ac1,050)<\/li>\n<li>SCR\u50ac\u5316\u5242\u66f4\u6362\uff1a$1,500-$3,000 (\u20ac1,300-\u20ac2,600)<\/li>\n<\/ul>\n<h3 id=\"what-other-fault-codes-are-commonly-associated-with-spn-3712-\">\u54ea\u4e9b\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u901a\u5e38\u4e0eSPN 3712\u76f8\u5173\uff1f<\/h3>\n<p>\u5e38\u89c1\u4e0eSPN 3712\u76f8\u5173\u7684\u5176\u4ed6\u6545\u969c\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>SPN 3714\uff1aSCR\u6548\u7387\u4f4e<\/li>\n<li>SPN 5246\uff1aSCR\u8bf1\u5bfc\uff08\u9650\u901f5\u82f1\u91cc\u6bcf\u5c0f\u65f6\uff09<\/li>\n<li>SPN 4094\uff1aNOx\u4f20\u611f\u5668\u6027\u80fd<\/li>\n<\/ul>\n<h3 id=\"how-can-i-prevent-spn-3712-from-occurring-\">\u5982\u4f55\u9884\u9632SPN 3712\u7684\u53d1\u751f\uff1f<\/h3>\n<p>\u9884\u9632SPN 3712\u7684\u63aa\u65bd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u7ef4\u62a4SCR\u7cfb\u7edf\uff0c\u5305\u62ecDEF\u8d28\u91cf\u68c0\u67e5\u548c\u6ee4\u82af\u66f4\u6362\u3002<\/li>\n<li>\u53ca\u65f6\u4fee\u590d\u6392\u6c14\u6cc4\u6f0f\u4ee5\u907f\u514dSCR\u7cfb\u7edf\u635f\u574f\u3002<\/li>\n<li>\u4f7f\u7528\u7b26\u5408ISO 22241\u6807\u51c6\u7684\u9ad8\u8d28\u91cfDEF\u3002<\/li>\n<li>\u5b9a\u671f\u8fdb\u884c\u5f3a\u5236\u518d\u751f\u4ee5\u4fdd\u6301SCR\u7cfb\u7edf\u6e05\u6d01\u548c\u9ad8\u6548\u3002<\/li>\n<\/ul>\n<h3 id=\"what-are-the-potential-consequences-of-ignoring-spn-3712-\">\u5ffd\u89c6SPN 3712\u7684\u6f5c\u5728\u540e\u679c\u662f\u4ec0\u4e48<\/p>\n<p>\uff1f<\/h3>\n<p>\u5ffd\u89c6SPN 3712\u53ef\u80fd\u5bfc\u81f4\uff1a<\/p>\n<ul>\n<li>\u6392\u653e\u589e\u52a0<\/li>\n<li>\u8fdb\u4e00\u6b65\u7684\u53d1\u52a8\u673a\u529f\u7387\u964d\u989d<\/li>\n<li>\u6f5c\u5728\u7684\u53d1\u52a8\u673a\u635f\u574f<\/li>\n<li>\u4e0d\u7b26\u5408\u6392\u653e\u6cd5\u89c4<\/li>\n<li>\u6602\u8d35\u7684\u7ef4\u4fee\u8d39\u7528<\/li>\n<\/ul>\n<h3 id=\"can-low-def-quality-cause-spn-3712-\">\u4f4e\u8d28\u91cfDEF\u662f\u5426\u4f1a\u5bfc\u81f4SPN 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