{"id":32420,"date":"2025-12-02T03:58:06","date_gmt":"2025-12-02T00:58:06","guid":{"rendered":"https:\/\/diagnozabam.ro\/sfaturi\/?p=32420"},"modified":"2025-12-02T03:58:06","modified_gmt":"2025-12-02T00:58:06","slug":"codurile-obd2-iarna-ce-apar-cel-mai-des-si-de-ce","status":"publish","type":"post","link":"https:\/\/diagnozabam.ro\/sfaturi\/ro\/blog\/codurile-obd2-iarna-ce-apar-cel-mai-des-si-de-ce\/","title":{"rendered":"Codurile OBD2 iarna \u2013 ce apar cel mai des si de ce"},"content":{"rendered":"<figure id=\"attachment_32421\" aria-describedby=\"caption-attachment-32421\" style=\"width: 1536px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" id=\"longdesc-return-32421\" class=\"size-full wp-image-32421\" tabindex=\"-1\" title=\"Codurile OBD iarna\" src=\"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/12\/codurile-obd2-iarna.webp\" alt=\"Codurile OBD iarna\" width=\"1536\" height=\"1024\" longdesc=\"https:\/\/diagnozabam.ro\/sfaturi?longdesc=32421&amp;referrer=32420\" srcset=\"https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/12\/codurile-obd2-iarna.webp 1536w, https:\/\/diagnozabam.ro\/sfaturi\/wp-content\/uploads\/2025\/12\/codurile-obd2-iarna-768x512.webp 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption id=\"caption-attachment-32421\" class=\"wp-caption-text\">\u00a9 Bejenaru Alexandru Ionut \u2013 diagnozabam.ro<\/figcaption><\/figure>\n<p data-start=\"829\" data-end=\"1199\"><strong data-start=\"829\" data-end=\"852\"><br \/>\nCodurile OBD2 iarna<\/strong> apar masiv la masini, mai ales cand temperaturile scad sub 5\u00b0C sau noaptea sub zero grade. In sezonul rece, motorul, bateria si senzorii lucreaza in conditii diferite, iar calculatorul masinii inregistreaza rapid erori temporare sau permanente. In acest articol explic pe intelesul tuturor de ce apar aceste probleme si cum le poti evalua corect.<\/p>\n<hr data-start=\"1201\" data-end=\"1204\" \/>\n<h1 data-start=\"1206\" data-end=\"1243\">\u2744\ufe0f De ce apar codurile OBD2 iarna<\/h1>\n<p data-start=\"1245\" data-end=\"1372\">Iarna schimba complet comportamentul motorului si modul in care calculatoarele comunica intre ele. Sunt patru cauze principale:<\/p>\n<h3 data-start=\"1374\" data-end=\"1433\">1. <strong data-start=\"1381\" data-end=\"1431\">Bateria furnizeaza mai putina tensiune pe frig<\/strong><\/h3>\n<p data-start=\"1434\" data-end=\"1592\">Capacitatea unei baterii scade cu pana la 40% la \u201310\u00b0C.<br data-start=\"1489\" data-end=\"1492\" \/>\u27a1\ufe0f Rezultat: apar erori precum <strong data-start=\"1523\" data-end=\"1546\">P0562 \u2013 Low Voltage<\/strong>, <strong data-start=\"1548\" data-end=\"1569\">Uxxxx \u2013 erori CAN<\/strong>, <strong data-start=\"1571\" data-end=\"1580\">P0335<\/strong>, <strong data-start=\"1582\" data-end=\"1591\">P0685<\/strong>.<\/p>\n<h3 data-start=\"1594\" data-end=\"1648\">2. <strong data-start=\"1601\" data-end=\"1646\">Uleiul se ingroasa la temperaturi scazute<\/strong><\/h3>\n<p data-start=\"1649\" data-end=\"1805\">La pornire, uleiul rece circula greu, afectand senzori si actuatori.<br data-start=\"1717\" data-end=\"1720\" \/>\u27a1\ufe0f Coduri frecvente: <strong data-start=\"1741\" data-end=\"1766\">P0011 \/ P0014 \/ P0016<\/strong> (faze ax came), P0520 (presiune ulei).<\/p>\n<h3 data-start=\"1807\" data-end=\"1876\">3. <strong data-start=\"1814\" data-end=\"1874\">Senzorii de temperatura si admisie citesc valori gresite<\/strong><\/h3>\n<p data-start=\"1877\" data-end=\"1970\">Condens, gheata sau aer rece brusc.<br data-start=\"1912\" data-end=\"1915\" \/>\u27a1\ufe0f Coduri: <strong data-start=\"1926\" data-end=\"1935\">P0113<\/strong>, <strong data-start=\"1937\" data-end=\"1946\">P0118<\/strong>, <strong data-start=\"1948\" data-end=\"1969\">P0100\u2013P0104 (MAF)<\/strong>.<\/p>\n<h3 data-start=\"1972\" data-end=\"2034\">4. <strong data-start=\"1979\" data-end=\"2032\">Regenerari DPF esuate din cauza drumurilor scurte<\/strong><\/h3>\n<p data-start=\"2035\" data-end=\"2147\">Iarna cresc drumurile scurte, masina nu atinge temperatura optima.<br data-start=\"2101\" data-end=\"2104\" \/>\u27a1\ufe0f Coduri: <strong data-start=\"2115\" data-end=\"2124\">P2002<\/strong>, <strong data-start=\"2126\" data-end=\"2135\">P2463<\/strong>, <strong data-start=\"2137\" data-end=\"2146\">P2459<\/strong>.<\/p>\n<hr data-start=\"2149\" data-end=\"2152\" \/>\n<h1 data-start=\"2154\" data-end=\"2199\">\ud83d\udccc Cele mai intalnite <strong data-start=\"2178\" data-end=\"2199\">Coduri OBD2 iarna<\/strong><\/h1>\n<h2 data-start=\"2201\" data-end=\"2247\">\ud83d\udd0b 1. <strong data-start=\"2210\" data-end=\"2245\">P0562 \u2013 Tensiune scazuta sistem<\/strong><\/h2>\n<p data-start=\"2248\" data-end=\"2399\">Frigul scade tensiunea la pornire.<br data-start=\"2282\" data-end=\"2285\" \/>Simptome: martori pornire, motor greu, electronice slabe.<br data-start=\"2342\" data-end=\"2345\" \/>Solutie: verifica bateria si bornele, incarca bateria.<\/p>\n<hr data-start=\"2401\" data-end=\"2404\" \/>\n<h2 data-start=\"2406\" data-end=\"2463\">\ud83c\udf21\ufe0f 2. <strong data-start=\"2416\" data-end=\"2461\">P0113 \u2013 IAT prea ridicat (valori eronate)<\/strong><\/h2>\n<p data-start=\"2464\" data-end=\"2646\">Iarna aerul este foarte rece \u2192 senzorul raporteaza valori \u201eaberante\u201d.<br data-start=\"2533\" data-end=\"2536\" \/>Cauze: mufa oxidata, senzor murdar, gheata in admisie.<br data-start=\"2590\" data-end=\"2593\" \/>Solutie: curata senzor IAT sau MAF, verifica prizele.<\/p>\n<hr data-start=\"2648\" data-end=\"2651\" \/>\n<h2 data-start=\"2653\" data-end=\"2705\">\ud83d\ude2e\u200d\ud83d\udca8 3. <strong data-start=\"2665\" data-end=\"2703\">P0100\u2013P0104 \u2013 Erori debitmetru MAF<\/strong><\/h2>\n<p data-start=\"2706\" data-end=\"2863\">Iarna aerul este mai dens \u2192 valori iesite din toleranta.<br data-start=\"2762\" data-end=\"2765\" \/>Simptome: consum ridicat, tremur, limitare putere.<br data-start=\"2815\" data-end=\"2818\" \/>Solutie: curata MAF, verifica admisia de aer.<\/p>\n<hr data-start=\"2865\" data-end=\"2868\" \/>\n<h2 data-start=\"2870\" data-end=\"2929\">\ud83c\udf00 4. <strong data-start=\"2879\" data-end=\"2927\">P0011 \/ P0014 \/ P0016 \u2013 Probleme axa cu came<\/strong><\/h2>\n<p data-start=\"2930\" data-end=\"2966\">Foarte frecvente pe frig.<br data-start=\"2955\" data-end=\"2958\" \/>Cauze:<\/p>\n<ul data-start=\"2967\" data-end=\"3050\">\n<li data-start=\"2967\" data-end=\"2984\">\n<p data-start=\"2969\" data-end=\"2984\">ulei ingrosat<\/p>\n<\/li>\n<li data-start=\"2985\" data-end=\"3013\">\n<p data-start=\"2987\" data-end=\"3013\">electrovalva VVT blocata<\/p>\n<\/li>\n<li data-start=\"3014\" data-end=\"3050\">\n<p data-start=\"3016\" data-end=\"3050\">lant uzat (pe motoarele sensibile)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3052\" data-end=\"3103\">Solutie: schimb ulei 0W20\/5W30, curatare solenoizi.<\/p>\n<hr data-start=\"3105\" data-end=\"3108\" \/>\n<h2 data-start=\"3110\" data-end=\"3154\">\ud83d\udca8 5. <strong data-start=\"3119\" data-end=\"3152\">P2002 \u2013 DPF eficienta scazuta<\/strong><\/h2>\n<p data-start=\"3155\" data-end=\"3358\">Motivul nr. 1 iarna: motorul nu atinge 75\u201390\u00b0C, regenerarea se intrerupe.<br data-start=\"3228\" data-end=\"3231\" \/>Simptome: consum ridicat, limitare 3000 rpm.<br data-start=\"3275\" data-end=\"3278\" \/>Solutie: drum lung 20\u201325 km, regenerare fortata, verifica senzorii diferentiali.<\/p>\n<hr data-start=\"3360\" data-end=\"3363\" \/>\n<h2 data-start=\"3365\" data-end=\"3410\">\u26a1 6. <strong data-start=\"3373\" data-end=\"3408\">U0100 \u2013 Pierdere comunicare ECU<\/strong><\/h2>\n<p data-start=\"3411\" data-end=\"3511\">Frig + tensiune mica = erori fantoma pe CAN.<br data-start=\"3455\" data-end=\"3458\" \/>Solutie: verificare masa, borne, baterie sub sarcina.<\/p>\n<hr data-start=\"3513\" data-end=\"3516\" \/>\n<h1 data-start=\"3518\" data-end=\"3561\">\ud83e\uddca Coduri OBD2 iarna pe benzina vs diesel<\/h1>\n<h3 data-start=\"3563\" data-end=\"3611\">\u25b6\ufe0f <strong data-start=\"3570\" data-end=\"3581\">Benzina<\/strong> (mai sensibile la senzori):<\/h3>\n<ul data-start=\"3612\" data-end=\"3716\">\n<li data-start=\"3612\" data-end=\"3666\">\n<p data-start=\"3614\" data-end=\"3666\">P0171 \u2013 amestec prea sarac (aer rece + MAF murdar)<\/p>\n<\/li>\n<li data-start=\"3667\" data-end=\"3716\">\n<p data-start=\"3669\" data-end=\"3716\">P0300\u2013P0304 \u2013 rateuri (cand bujiile sunt uzate)<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3718\" data-end=\"3772\">\u25b6\ufe0f <strong data-start=\"3725\" data-end=\"3735\">Diesel<\/strong> (sensibile la temperatura si DPF):<\/h3>\n<ul data-start=\"3773\" data-end=\"3893\">\n<li data-start=\"3773\" data-end=\"3804\">\n<p data-start=\"3775\" data-end=\"3804\">P0380 \u2013 bujii incandescente<\/p>\n<\/li>\n<li data-start=\"3805\" data-end=\"3837\">\n<p data-start=\"3807\" data-end=\"3837\">P2459 \u2013 regenerari prea dese<\/p>\n<\/li>\n<li data-start=\"3838\" data-end=\"3893\">\n<p data-start=\"3840\" data-end=\"3893\">P0191 \u2013 presiune rampa carburant (motorina ingrosata)<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3895\" data-end=\"3898\" \/>\n<h1 data-start=\"3900\" data-end=\"3937\">\ud83d\udd27 Cum previi codurile OBD2 iarna<\/h1>\n<h3 data-start=\"3939\" data-end=\"3974\">\u2714\ufe0f 1. Baterie buna, incarcata<\/h3>\n<p data-start=\"3975\" data-end=\"4020\">Minim 12.5 V motor oprit \/ peste 14 V pornit.<\/p>\n<h3 data-start=\"4022\" data-end=\"4059\">\u2714\ufe0f 2. Ulei special pentru iarna<\/h3>\n<p data-start=\"4060\" data-end=\"4123\">0W20 \/ 0W30 \/ 5W30 \u2192 pornire usoara + mai putine erori ax came.<\/p>\n<h3 data-start=\"4125\" data-end=\"4165\">\u2714\ufe0f 3. Curatarea senzorilor MAF\/IAT<\/h3>\n<p data-start=\"4166\" data-end=\"4183\">O data la 6 luni.<\/p>\n<h3 data-start=\"4185\" data-end=\"4210\">\u2714\ufe0f 4. Drumuri lungi<\/h3>\n<p data-start=\"4211\" data-end=\"4258\">30 minute la 80\u2013100 km\/h pentru regenerare DPF.<\/p>\n<h3 data-start=\"4260\" data-end=\"4303\">\u2714\ufe0f 5. Antigel la concentratie corecta<\/h3>\n<p data-start=\"4304\" data-end=\"4359\">Evita supraincalzirea si valorile false de temperatura.<\/p>\n<hr data-start=\"4361\" data-end=\"4364\" \/>\n<h1 data-start=\"4366\" data-end=\"4389\">\ud83d\udd17 <strong data-start=\"4371\" data-end=\"4389\">Legaturi utile<\/strong><\/h1>\n<h3 data-start=\"4391\" data-end=\"4425\">Link extern (credibilitate):<\/h3>\n<p data-start=\"4426\" data-end=\"4478\"><a class=\"decorated-link\" href=\"https:\/\/www.obd-codes.com\" target=\"_new\" rel=\"noopener\" data-start=\"4426\" data-end=\"4451\">https:\/\/www.obd-codes.com<\/a> (interpretari coduri OBD2)<\/p>\n<hr data-start=\"4545\" data-end=\"4548\" \/>\n<h1 data-start=\"4550\" data-end=\"4570\">\ud83c\udfc1 <strong data-start=\"4555\" data-end=\"4568\">Concluzie<\/strong><\/h1>\n<p data-start=\"4571\" data-end=\"4898\"><strong data-start=\"4571\" data-end=\"4594\">Codurile OBD2 iarna<\/strong> sunt normale si apar la orice masina, indiferent de marca. Frigul modifica tensiunea, viscozitatea uleiului, citirile senzorilor si poate intrerupe regenerarile DPF. Cu mentenanta corecta si verificari simple, majoritatea acestor coduri pot fi prevenite sau eliminate rapid, fara reparatii costisitoare.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Codurile OBD2 iarna apar masiv la masini, mai ales cand temperaturile scad sub 5\u00b0C sau noaptea sub zero grade. In sezonul rece, motorul, bateria si senzorii lucreaza in conditii diferite, iar calculatorul masinii inregistreaza rapid erori temporare sau permanente. In acest articol explic pe intelesul tuturor de ce apar aceste probleme si cum le poti [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":32421,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[357],"tags":[42406,42410,1616,15801],"class_list":["post-32420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiri","tag-coduri-motor-iarna","tag-dpf-iarna","tag-obd2","tag-regenerare-dpf"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Codurile OBD2 iarna \u2013 ce apar cel mai des si de ce - DBAM<\/title>\n<meta name=\"description\" content=\"Codurile OBD2 iarna apar mai des din cauza frigului. 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Statistic, service-urile sunt mai aglomerate in sezonul rece, iar defectiunile apar mai des, mai rapid si mai costisitor. Iarna nu \u201estrica\u201d masinile din senin. 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Pe frig, lichidul se poate cristaliza sau chiar solidifica, ducand la martori aprinsi, putere redusa si consum crescut. 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Ajung la ma\u0219ini oprite pe marginea drumului, \u00een parc\u0103ri, la domiciliul clientului. Scanerul e primul lucru pe care \u00eel conectez. Dup\u0103 sute de interven\u021bii, un tipar devine clar. 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