{"id":287611,"date":"2024-10-23T05:11:45","date_gmt":"2024-10-23T05:11:45","guid":{"rendered":"https:\/\/www.ziptuning.com\/zh\/?p=287611"},"modified":"2024-11-04T08:10:40","modified_gmt":"2024-11-04T08:10:40","slug":"p2044-reductant-tank-temperature-sensor-circuit-high","status":"publish","type":"post","link":"https:\/\/www.ziptuning.com\/zh\/blog\/p2044-reductant-tank-temperature-sensor-circuit-high\/","title":{"rendered":"P2044 &#8211; \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u7535\u538b\u9ad8"},"content":{"rendered":"<h2 id=\"what-is-p2044-\">P2044\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>P2044\u662f\u4e00\u4e2aOBD-II\u901a\u7528\u52a8\u529b\u603b\u6210\u8bca\u65ad\u6545\u969c\u4ee3\u7801\uff0c\u8868\u793a\u52a8\u529b\u7cfb\u7edf\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7535\u538b\u4e0d\u8db3\u3002\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7528\u4e8e\u6d4b\u91cf\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u4e2d\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7684\u6e29\u5ea6\uff0c\u8be5\u7cfb\u7edf\u7528\u4e8e\u51cf\u5c11\u67f4\u6cb9\u8f66\u8f86\u4e2d\u7684\u6c2e\u6c27\u5316\u7269\uff08NOx\uff09\u6392\u653e\u3002<\/p>\n<div class=\"workshop-experience-text\">\n<p>\u5728\u6211\u4eec\u7684\u8f66\u95f4\u91cc\uff0c\u6211\u4eec\u7ecf\u5e38\u9047\u5230P2044\u4ee3\u7801\uff0c\u5c24\u5176\u662f\u5728\u5404\u79cd\u6b27\u6d32\u54c1\u724c\u7684\u6c7d\u8f66\u4e0a\u3002\u5c31\u5728\u4e0a\u5468\uff0c\u4e00\u8f86\u5954\u9a70Sprinter\u53a2\u5f0f\u8f66\u51fa\u73b0\u4e86\u8be5\u4ee3\u7801\uff0c\u7ecf\u8fc7\u8bca\u65ad\uff0c\u6211\u4eec\u53d1\u73b0\u662f\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c\u3002\u6211\u4eec\u8fd8\u5728\u4e00\u4e9b\u5927\u4f17\u548c\u5b9d\u9a6c\u7684\u67f4\u6cb9\u8f66\u578b\u4e0a\u770b\u5230\u4e86\u8fd9\u4e2a\u4ee3\u7801\uff0c\u901a\u5e38\u662f\u7531\u4e8e\u7ebf\u8def\u95ee\u9898\u6216DEF\u6db2\u4f53\u6db2\u4f4d\u4e0d\u8db3\u3002\u770b\u8d77\u6765\u8fd9\u662f\u6b27\u6d32\u67f4\u6cb9\u8f66\u4e2d\u914d\u5907SCR\u7cfb\u7edf\u7684\u5e38\u89c1\u95ee\u9898\u3002\u6bcf\u5f53\u6211\u4eec\u9047\u5230\u8fd9\u4e2a\u4ee3\u7801\u65f6\uff0c\u6211\u4eec\u90fd\u4f1a\u5f7b\u5e95\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u68c0\u67e5\u7ebf\u8def\uff0c\u5e76\u9a8c\u8bc1DEF\u6db2\u4f4d\u548c\u6db2\u4f53\u8d28\u91cf\uff0c\u4ee5\u786e\u5b9a\u6839\u672c\u539f\u56e0\uff0c\u5e76\u5c3d\u5feb\u8ba9\u8f66\u8f86\u91cd\u65b0\u4e0a\u8def\u3002<\/p>\n<\/div>\n<h2 id=\"urgency-and-drivability\">\u7d27\u6025\u6027\u548c\u53ef\u9a7e\u9a76\u6027<\/h2>\n<p>\u5b58\u50a8\u7684P2044\u4ee3\u7801\u5e94\u88ab\u89c6\u4e3a\u4e25\u91cd\u95ee\u9898\uff0c\u9700\u5c3d\u5feb\u5904\u7406\u3002\u5efa\u8bae\u4e0d\u8981\u5728\u4ee3\u7801\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u7ee7\u7eed\u9a7e\u9a76\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4SCR\u7cfb\u7edf\u5931\u6548\uff0c\u5982\u679c\u4e0d\u53ca\u65f6\u89e3\u51b3\u6839\u672c\u95ee\u9898\uff0c\u8fd8\u53ef\u80fd\u5bf9\u50ac\u5316\u8f6c\u6362\u5668\u9020\u6210\u635f\u5bb3\u3002\u867d\u7136\u5728\u77ed\u671f\u5185\u8f66\u8f86\u53ef\u80fd\u4ecd\u53ef\u9a7e\u9a76\uff0c\u4f46\u6700\u597d\u7acb\u5373\u8fdb\u884c\u8bca\u65ad\u548c\u4fee\u590d\uff0c\u4ee5\u907f\u514d\u66f4\u4e25\u91cd\u7684\u635f\u574f\u3002<\/p>\n<h2 id=\"applicability\">\u9002\u7528\u6027<\/h2>\n<p>P2044\u662f\u4e00\u4e2a\u9002\u7528\u4e8e\u8bb8\u591aOBD-II\u8f66\u8f86\uff081996\u5e74\u53ca\u4ee5\u540e\u7684\u8f66\u8f86\uff09\u7684\u901a\u7528\u52a8\u529b\u603b\u6210\u4ee3\u7801\uff0c\u5305\u62ec\u5954\u9a70\u3001Sprinter\u3001\u798f\u7279\u3001GMC\u3001\u96ea\u4f5b\u5170\u7b49\u3002\u5177\u4f53\u7684\u7ef4\u4fee\u6b65\u9aa4\u53ef\u80fd\u4f1a\u6839\u636e\u5e74\u4efd\u3001\u54c1\u724c\u3001\u8f66\u578b\u548c\u52a8\u529b\u603b\u6210\u914d\u7f6e\u7684\u4e0d\u540c\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h2 id=\"parts-involved\">\u6d89\u53ca\u7684\u90e8\u4ef6<\/h2>\n<p>\u4e0eP2044\u4ee3\u7801\u76f8\u5173\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668 &#8211; \u6d4b\u91cfDEF\u6e29\u5ea6\uff0c\u901a\u5e38\u4f4d\u4e8eDEF\u7f50\u5185<\/li>\n<li>DEF\u7f50 &#8211; \u50a8\u5b58\u67f4\u6cb9\u6392\u6c14\u6db2<\/li>\n<li>SCR\u7cfb\u7edf &#8211; \u5c06DEF\u6ce8\u5165\u6392\u6c14\u4e2d\u4ee5\u5c06NOx\u8f6c\u5316\u4e3a\u6c2e\u6c14\u548c\u6c34<\/li>\n<li>\u4f20\u611f\u5668\u4e0ePCM\u4e4b\u95f4\u7684\u7ebf\u8def\u548c\u8fde\u63a5\u5668<\/li>\n<\/ul>\n<h2 id=\"common-causes\">\u5e38\u89c1\u539f\u56e0<\/h2>\n<p>P2044\u4ee3\u7801\u7684\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u7ebf\u8def\u95ee\u9898\uff0c\u5982\u7ebf\u8def\u635f\u574f\u3001\u8fde\u63a5\u677e\u52a8\u6216\u8150\u8680<\/li>\n<li>DEF\u6db2\u4f4d\u4f4e<\/li>\n<li>DEF\u6db2\u4f53\u53d7\u6c61\u67d3\u6216\u4f7f\u7528\u9519\u8bef\u6db2\u4f53<\/li>\n<li>PCM\u6545\u969c\uff08\u5c11\u89c1\uff09<\/li>\n<\/ul>\n<h2 id=\"diagnosis\">\u8bca\u65ad\u6b65\u9aa4<\/h2>\n<p>\u8bca\u65adP2044\u4ee3\u7801\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528\u626b\u63cf\u5de5\u5177\u68c0\u7d22\u6240\u6709\u5b58\u50a8\u7684\u4ee3\u7801\u548c\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u7ebf\u8def\u548c\u8fde\u63a5\u5668\u662f\u5426\u635f\u574f\uff0c\u5fc5\u8981\u65f6\u8fdb\u884c\u4fee\u590d\u3002<\/li>\n<li>\u68c0\u67e5DEF\u6db2\u4f4d\u548c\u8d28\u91cf\u3002\u5982\u679c\u6db2\u4f4d\u4f4e\u6216\u6db2\u4f53\u53d7\u6c61\u67d3\uff0c\u8bf7\u52a0\u6ce8\u6216\u66f4\u6362\u6db2\u4f53\u3002<\/li>\n<li>\u4f7f\u7528\u6570\u5b57\u4e07\u7528\u8868\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff0c\u5e76\u4e0e\u89c4\u683c\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4f20\u611f\u5668\u6545\u969c\uff0c\u8bf7\u66f4\u6362\u3002<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6b63\u5e38\uff0c\u68c0\u67e5\u4f20\u611f\u5668\u548cPCM\u4e4b\u95f4\u7684\u7ebf\u8def\uff0c\u68c0\u67e5\u662f\u5426\u6709\u65ad\u8def\u3001\u77ed\u8def\u6216\u7535\u538b\/\u63a5\u5730\u4fe1\u53f7\u95ee\u9898\uff0c\u4fee\u590d\u7ebf\u8def\u95ee\u9898\u3002<\/li>\n<li>\u5982\u679c\u7ebf\u8def\u68c0\u67e5\u65e0\u8bef\uff0c\u53ef\u80fd\u662fPCM\u6545\u969c\uff0c\u4f46\u8fd9\u5f88\u5c11\u89c1\u3002\u53c2\u8003\u670d\u52a1\u4fe1\u606f\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684PCM\u8bca\u65ad\u3002<\/li>\n<\/ol>\n<h2 id=\"repair-costs\">\u7ef4\u4fee\u8d39\u7528<\/h2>\n<p>\u8bca\u65ad\u548c\u4fee\u590dP2044\u4ee3\u7801\u7684\u8d39\u7528\u53ef\u80fd\u5728$100-500\uff08\u20ac85-425\uff09\u6216\u66f4\u9ad8\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$75-200\uff08\u20ac65-170\uff09<\/li>\n<li>DEF\u6db2\u4f53\uff1a\u6bcf\u52a0\u4ed1\/3.8\u5347$10-30\uff08\u20ac8-25\uff09<\/li>\n<li>\u7ebf\u8def\u7ef4\u4fee\uff1a$50-300\uff08\u20ac40-255\uff09<\/li>\n<li>PCM\u66f4\u6362\uff1a$500-1500\uff08\u20ac425-1275\uff09<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u8d39\u7528\u989d\u5916\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u8f66\u8f86\u3001\u7ef4\u4fee\u5e97\u8d39\u7387\u548c\u6240\u5728\u5730\u533a\u3002<\/p>\n<h2 id=\"prevention\">\u9884\u9632\u63aa\u65bd<\/h2>\n<p>\u4e3a\u9632\u6b62P2044\u4ee3\u7801\u53d1\u751f\uff0c\u5b9a\u671f\u7ef4\u62a4\u6392\u653e\u7cfb\u7edf\uff1a<\/p>\n<ul>\n<li>\u4fdd\u6301DEF\u7f50\u5185\u9002\u91cf\u7684\u6b63\u786e\u6db2\u4f53<\/li>\n<li>\u53ca\u65f6\u5904\u7406\u4efb\u4f55\u6db2\u4f53\u6cc4\u6f0f<\/li>\n<li>\u4fdd\u6301\u7535\u6c14\u8fde\u63a5\u6e05\u6d01\u4e14\u7262\u56fa<\/li>\n<li>\u5fc5\u8981\u65f6\u4fee\u590d\u7ebf\u8def\u5e76\u66f4\u6362\u6545\u969c\u4f20\u611f\u5668<\/li>\n<\/ul>\n<h2 id=\"related-codes\">\u76f8\u5173\u4ee3\u7801<\/h2>\n<p>\u53ef\u80fd\u4e0eP2044\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p203f-reductant-dosing-valve-calibration-values-not-learned\/\" title=\"P203F - \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd\">P203F &#8211; \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd<\/a><\/li>\n<li>P204C &#8211; \u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20b9-reductant-heater-control-circuit-open\/\" title=\"P20B9 - \u8fd8\u539f\u5242\u55b7\u5c04\u9600\u63a7\u5236\u7535\u8def\/\u5f00\u8def\">P20B9 &#8211; \u8fd8\u539f\u5242\u55b7\u5c04\u9600\u63a7\u5236\u7535\u8def\/\u5f00\u8def<\/a><\/li>\n<\/ul>\n<p>\u53c2\u8003\u670d\u52a1\u4fe1\u606f\u5e76\u8fdb\u884c\u5f7b\u5e95\u7684\u8bca\u65ad\uff0c\u56e0\u4e3a\u591a\u4e2a\u4ee3\u7801\u53ef\u80fd\u6709\u5171\u540c\u7684\u6839\u672c\u539f\u56e0\u6216\u5f7c\u6b64\u76f8\u5173\u3002<\/p>\n<h2 id=\"frequently-asked-questions-about-p2044\">\u5173\u4e8eP2044\u7684\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 id=\"what-does-the-obd-ii-code-p2044-mean-\">OBD-II\u4ee3\u7801P2044\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>P2044\u662f\u4e00\u4e2a\u901a\u7528\u52a8\u529b\u603b\u6210\u8bca\u65ad\u6545\u969c\u4ee3\u7801\uff0c\u8868\u793a\u52a8\u529b\u7cfb\u7edf\u63a7\u5236\u6a21\u5757\uff08PCM\uff09\u68c0\u6d4b\u5230\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u4e2d\u7535\u538b\u4e0d\u8db3\u3002\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7528\u4e8e\u6d4b\u91cf\u9009\u62e9\u6027\u50ac\u5316\u8fd8\u539f\uff08SCR\uff09\u7cfb\u7edf\u4e2d\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7684\u6e29\u5ea6\uff0c\u8be5\u7cfb\u7edf\u7528\u4e8e\u51cf\u5c11\u67f4\u6cb9\u8f66\u8f86\u4e2d\u7684NOx\u6392\u653e\u3002<\/p>\n<h3 id=\"how-severe-is-a-p2044-code-\">P2044\u4ee3\u7801\u6709\u591a\u4e25\u91cd\uff1f<\/h3>\n<p>P2044\u4ee3\u7801\u5e94\u88ab\u89c6\u4e3a\u4e25\u91cd\u95ee\u9898\uff0c\u9700\u5c3d\u5feb\u5904\u7406\u3002\u5728\u4ee3\u7801\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u9a7e\u9a76\u8f66\u8f86\u662f\u4e0d\u63a8\u8350\u7684\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4SCR\u7cfb\u7edf\u5931\u6548\uff0c\u5e76\u53ef\u80fd\u5bf9\u50ac\u5316\u8f6c\u6362\u5668\u9020\u6210\u635f\u5bb3\u3002\u5982\u679c\u4e0d\u53ca\u65f6\u89e3\u51b3\u6839\u672c\u95ee\u9898\uff0c\u867d\u7136\u8f66\u8f86\u53ef\u80fd\u5728\u77ed\u671f\u5185\u4ecd\u53ef\u9a7e\u9a76\uff0c\u4f46\u5efa\u8bae\u7acb\u5373\u8fdb\u884c\u8bca\u65ad\u548c\u7ef4\u4fee\uff0c\u4ee5\u907f\u514d\u66f4\u4e25\u91cd\u7684\u635f\u574f\u3002<\/p>\n<h3 id=\"what-are-the-common-symptoms-of-a-p2044-code-\">P2044\u4ee3\u7801\u7684\u5e38\u89c1\u75c7\u72b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5e38\u89c1\u75c7\u72b6\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u53d1\u52a8\u673a\u6545\u969c\u706f\u70b9\u4eae<\/li>\n<li>\u71c3\u6cb9\u6548\u7387\u964d\u4f4e<\/li>\n<li>\u6392\u6c14\u4e2d\u51fa\u73b0\u8fc7\u591a\u7684\u9ed1\u70df<\/li>\n<li>\u53d1\u52a8\u673a\u6027\u80fd\u4e0b\u964d<\/li>\n<li>\u5176\u4ed6\u4e0eSCR\u7cfb\u7edf\u76f8\u5173\u7684\u4ee3\u7801<\/li>\n<\/ul>\n<h3 id=\"what-vehicles-can-get-a-p2044-code-\">\u54ea\u4e9b\u8f66\u8f86\u53ef\u80fd\u51fa\u73b0P2044\u4ee3\u7801\uff1f<\/h3>\n<p>P2044\u662f\u4e00\u4e2a\u901a\u7528\u4ee3\u7801\uff0c\u53ef\u80fd\u53d1\u751f\u5728\u8bb8\u591a\u914d\u5907\u67f4\u6cb9\u53d1\u52a8\u673a\u548cSCR\u7cfb\u7edf\u7684OBD-II\u517c\u5bb9\u8f66\u8f86\uff081996\u5e74\u53ca\u4ee5\u540e\uff09\uff0c\u5305\u62ec\u5954\u9a70\u3001Sprinter\u3001\u798f\u7279\u3001GMC\u3001\u96ea\u4f5b\u5170\u7b49\u54c1\u724c\u7684\u5404\u79cd\u8f66\u578b\u3002\u5177\u4f53\u7684\u7ef4\u4fee\u6b65\u9aa4\u53ef\u80fd\u56e0\u5e74\u4efd\u3001\u54c1\u724c\u3001\u578b\u53f7\u548c\u52a8\u529b\u603b\u6210\u914d\u7f6e\u7684\u4e0d\u540c\u800c\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h3 id=\"what-are-the-possible-causes-of-a-p2044-code-\">P2044\u4ee3\u7801\u7684\u53ef\u80fd\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u6545\u969c<\/li>\n<li>\u7ebf\u8def\u95ee\u9898\uff0c\u5982\u7ebf\u8def\u635f\u574f\u3001\u8fde\u63a5\u677e\u52a8\u6216\u8150\u8680<\/li>\n<li>DEF\u6db2\u4f4d\u4f4e<\/li>\n<li>DEF\u6db2\u4f53\u53d7\u6c61\u67d3\u6216\u4f7f\u7528\u9519\u8bef\u6db2\u4f53<\/li>\n<li>PCM\u6545\u969c\uff08\u5c11\u89c1\uff09<\/li>\n<\/ul>\n<h3 id=\"how-do-you-diagnose-a-p2044-code-\">\u5982\u4f55\u8bca\u65adP2044\u4ee3\u7801\uff1f<\/h3>\n<p>\u8981\u6b63\u786e\u8bca\u65adP2044\u4ee3\u7801\uff1a<\/p>\n<ol>\n<li>\u626b\u63cf\u6240\u6709\u4ee3\u7801\u5e76\u8bb0\u5f55\u51bb\u7ed3\u5e27\u6570\u636e\u3002<\/li>\n<li>\u76ee\u89c6\u68c0\u67e5\u7ebf\u8def\u548c\u8fde\u63a5\u5668\uff0c\u5fc5\u8981\u65f6\u8fdb\u884c\u4fee\u590d\u3002<\/li>\n<li>\u68c0\u67e5DEF\u6db2\u4f4d\u548c\u8d28\u91cf\u3002\u5982\u6db2\u4f4d\u4f4e\u6216\u6db2\u4f53\u53d7\u6c61\u67d3\uff0c\u8bf7\u52a0\u6ce8\u6216\u66f4\u6362\u3002<\/li>\n<li>\u6d4b\u8bd5\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u5e76\u4e0e\u89c4\u683c\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4f20\u611f\u5668\u6545\u969c\uff0c\u8bf7\u66f4\u6362\u3002<\/li>\n<li>\u5982\u679c\u4f20\u611f\u5668\u6b63\u5e38\uff0c\u68c0\u67e5\u4f20\u611f\u5668\u548cPCM\u4e4b\u95f4\u7684\u7ebf\u8def\u662f\u5426\u6709\u95ee\u9898\u3002<\/li>\n<li>\u5982\u679c\u7ebf\u8def\u6b63\u5e38\uff0c\u53ef\u80fd\u662fPCM\u6545\u969c\uff0c\u4f46\u8fd9\u4e0d\u5e38\u89c1\u3002<\/li>\n<\/ol>\n<p>\u59cb\u7ec8\u53c2\u8003\u8f66\u8f86\u7279\u5b9a\u7684\u670d\u52a1\u4fe1\u606f\u4ee5\u83b7\u53d6\u8be6\u7ec6\u7684\u8bca\u65ad\u6b65\u9aa4\u3002<\/p>\n<h3 id=\"can-low-def-fluid-cause-a-p2044-\">DEF\u6db2\u4f4d\u4f4e\u4f1a\u5bfc\u81f4P2044\u4ee3\u7801\u5417\uff1f<\/h3>\n<p>\u662f\u7684\uff0cDEF\u6db2\u4f4d\u4f4e\u53ef\u80fd\u4f1a\u89e6\u53d1P2044\u4ee3\u7801\u3002\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u9700\u8981\u6d78\u6ca1\u5728\u6db2\u4f53\u4e2d\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u5982\u679cDEF\u6db2\u4f4d\u8fc7\u4f4e\uff0c\u53ef\u80fd\u5bfc\u81f4\u4e0d\u5408\u7406\u7684\u4fe1\u53f7\u5e76\u8bbe\u7f6e\u8be5\u4ee3\u7801\u3002\u8bca\u65adP2044\u65f6\uff0c\u8bf7\u52a1\u5fc5\u68c0\u67e5DEF\u6db2\u4f4d\u3002<\/p>\n<h3 id=\"can-you-drive-with-a-p2044-code-\">\u5e26\u6709P2044\u4ee3\u7801\u7684\u8f66\u8f86\u8fd8\u80fd\u9a7e\u9a76\u5417\uff1f<\/h3>\n<p>\u867d\u7136\u5e26\u6709P2044\u4ee3\u7801\u7684\u8f66\u8f86\u53ef\u80fd\u77ed\u8ddd\u79bb\u9a7e\u9a76\uff0c\u4f46\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\u3002\u8be5\u4ee3\u7801\u8868\u660eSCR\u7cfb\u7edf\u5b58\u5728\u95ee\u9898\uff0c\u800cSCR\u7cfb\u7edf\u5bf9\u4e8e\u51cf\u5c11\u6709\u5bb3\u6392\u653e\u81f3\u5173\u91cd\u8981\u3002\u5728\u4ee3\u7801\u6fc0\u6d3b\u7684\u60c5\u51b5\u4e0b\u9a7e\u9a76\u8f66\u8f86\u53ef\u80fd\u4f1a\u5bf9\u6392\u653e\u7ec4\u4ef6\u9020\u6210\u8fdb\u4e00\u6b65\u635f\u5bb3\u3002\u5e94\u5c3d\u5feb\u8bca\u65ad\u548c\u4fee\u590d\u6839\u672c\u95ee\u9898\u3002<\/p>\n<h3 id=\"how-much-does-it-cost-to-fix-a-p2044-code-\">\u4fee\u590dP2044\u4ee3\u7801\u7684\u8d39\u7528\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u4fee\u590dP2044\u4ee3\u7801\u7684\u8d39\u7528\u53ef\u80fd\u4f1a\u6709\u5f88\u5927\u5dee\u5f02\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6839\u672c\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff1a$75-200<\/li>\n<li>DEF\u6db2\u4f53\uff1a\u6bcf\u52a0\u4ed1$10-30<\/li>\n<li>\u7ebf\u8def\u7ef4\u4fee\uff1a$50-300<\/li>\n<li>PCM\u66f4\u6362\uff1a$500-1500<\/li>\n<\/ul>\n<p>\u4eba\u5de5\u8d39\u7528\u989d\u5916\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u8f66\u8f86\u3001\u7ef4\u4fee\u5e97\u8d39\u7387\u548c\u6240\u5728\u5730\u533a\u3002\u603b\u4f53\u7ef4\u4fee\u8d39\u7528\u53ef\u80fd\u4ece\u7b80\u5355\u7684DEF\u52a0\u6ce8\u4f4e\u4e8e$100\u5230\u66f4\u6362PCM\u8d85\u8fc7$1000\u4e0d\u7b49\u3002<\/p>\n<h3 id=\"can-a-p2044-code-clear-itself-\">P2044\u4ee3\u7801\u53ef\u4ee5\u81ea\u884c\u6e05\u9664\u5417\uff1f<\/h3>\n<p>\u5982\u679c\u6839\u672c\u95ee\u9898\u662f\u95f4\u6b47\u6027\u7684\u4e14\u5df2\u89e3\u51b3\uff0cP2044\u4ee3\u7801\u6709\u53ef\u80fd\u81ea\u884c\u6e05\u9664\u3002\u7136\u800c\uff0c\u5982\u679c\u672a\u8bca\u65ad\u5e76\u4fee\u590d\u6839\u672c\u95ee\u9898\uff0c\u4ee3\u7801\u53ef\u80fd\u4f1a\u518d\u6b21\u51fa\u73b0\u3002\u5982\u679c\u4ee3\u7801\u6e05\u9664\u540e\u5728\u591a\u4e2a\u884c\u9a76\u5468\u671f\u5185\u672a\u8fd4\u56de\uff0c\u5219\u53ef\u80fd\u662f\u95f4\u6b47\u6027\u95ee\u9898\u3002\u5982\u679c\u4ee3\u7801\u6301\u7eed\u51fa\u73b0\uff0c\u5219\u9700\u8981\u8fdb\u4e00\u6b65\u8bca\u65ad\u3002<\/p>\n<h3 id=\"what-is-the-reductant-temperature-sensor-\">\u4ec0\u4e48\u662f\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\uff1f<\/h3>\n<p>\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u7528\u4e8e\u6d4b\u91cfDEF\u7f50\u5185\u67f4\u6cb9\u6392\u6c14\u6db2\uff08DEF\uff09\u7684\u6e29\u5ea6\u3002PCM\u5229\u7528\u6b64\u4fe1\u606f\u6765\u63a7\u5236SCR\u7cfb\u7edf\uff0c\u5e76\u786e\u4fddDEF\u7684\u5242\u91cf\u51c6\u786e\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684NOx\u51cf\u5c11\u6548\u679c\u3002\u8be5\u4f20\u611f\u5668\u901a\u5e38\u4f4d\u4e8eDEF\u7f50\u4e2d\u5e76\u6d78\u6ca1\u5728\u6db2\u4f53\u4e2d\u3002<\/p>\n<h3 id=\"what-other-codes-can-occur-with-p2044-\">\u4e0eP2044\u4e00\u8d77\u53ef\u80fd\u51fa\u73b0\u7684\u5176\u4ed6\u4ee3\u7801\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u53ef\u80fd\u4e0eP2044\u4e00\u8d77\u51fa\u73b0\u7684\u5176\u4ed6\u4ee3\u7801\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p203f-reductant-dosing-valve-calibration-values-not-learned\/\" title=\"P203F - \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd\">P203F &#8211; \u8fd8\u539f\u5242\u7f50\u6e29\u5ea6\u4f20\u611f\u5668\u7535\u8def\u8303\u56f4\/\u6027\u80fd<\/a><\/li>\n<li>P204C &#8211; \u8fd8\u539f\u5242\u7cfb\u7edf\u6027\u80fd<\/li>\n<li><a href=\"https:\/\/www.ziptuning.com\/zh\/blog\/p20b9-reductant-heater-control-circuit-open\/\" title=\"P20B9 - \u8fd8\u539f\u5242\u55b7\u5c04\u9600\u63a7\u5236\u7535\u8def\/\u5f00\u8def\">P20B9 &#8211; \u8fd8\u539f\u5242\u55b7\u5c04\u9600\u63a7\u5236\u7535\u8def\/\u5f00\u8def<\/a><\/li>\n<\/ul>\n<p>\u59cb\u7ec8\u4e00\u8d77\u5904\u7406\u6240\u6709\u4ee3\u7801\uff0c\u56e0\u4e3a\u591a\u4e2a\u4ee3\u7801\u53ef\u80fd\u6709\u5171\u540c\u7684\u6839\u672c\u539f\u56e0\u6216\u5f7c\u6b64\u76f8\u5173\u3002\u672a\u4fee\u590d\u6839\u672c\u95ee\u9898\u800c\u6e05\u9664\u4ee3\u7801\u5f88\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u518d\u6b21\u51fa\u73b0\u3002<\/p>\n<h3 id=\"how-often-should-the-def-fluid-be-checked-\">DEF\u6db2\u4f53\u5e94\u591a\u4e45\u68c0\u67e5\u4e00\u6b21\uff1f<\/h3>\n<p>\u5e94\u5728\u6bcf\u6b21\u66f4\u6362\u673a\u6cb9\u65f6\u6216\u5927\u7ea6\u6bcf5,000-10,000\u82f1\u91cc\u68c0\u67e5\u4e00\u6b21DEF\u6db2\u4f4d\u3002DEF\u6db2\u4f4d\u4f4e\u662fSCR\u7cfb\u7edf\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0\u3002\u4fdd\u6301\u6db2\u4f53\u5145\u8db3\u53ef\u4ee5\u5e2e\u52a9\u9632\u6b62\u7c7b\u4f3cP2044\u4ee3\u7801\u7684\u95ee\u9898\u3002\u8bf7\u67e5\u9605\u8f66\u8f86\u7528\u6237\u624b\u518c\u4e86\u89e3\u60a8\u7684\u8f66\u8f86\u7684\u5177\u4f53\u7ef4\u62a4\u8ba1\u5212\u3002<\/p>\n<h3 id=\"what-is-the-normal-operating-temperature-range-for-def-\">DEF\u6db2\u4f53\u7684\u6b63\u5e38\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u662f\u591a\u5c11\uff1f<\/h3>\n<p>\u5927\u591a\u6570DEF\u6db2\u4f53\u7684\u6b63\u5e38\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e3a12\u00b0F\u81f386\u00b0F\uff08-11\u00b0C\u81f330\u00b0C\uff09\u3002\u8d85\u51fa\u6b64\u8303\u56f4\u7684\u6e29\u5ea6\u53ef\u80fd\u4f1a\u5f71\u54cd\u6db2\u4f53\u8d28\u91cf\u548c\u5242\u91cf\u7cbe\u5ea6\u3002\u8fd8\u539f\u5242\u6e29\u5ea6\u4f20\u611f\u5668\u4f1a\u76d1\u63a7DEF\u6e29\u5ea6\uff0c\u4ee5\u786e\u4fdd\u5176\u5728SCR\u7cfb\u7edf\u7684\u6700\u4f73\u6548\u7387\u8303\u56f4\u5185\u8fd0\u884c\u3002<\/p>\n<h3 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