{"version":"2026-03-12","generated_at":"2026-10-18T15:35:37+02:00","code":"U1900","genericEntry":{"id":21828,"code":"U1900","manufacturer":"GENERIC","description":"CAN Communication Bus Fault","type":"U","is_generic":true,"source":"mytrile_obd","source_db":"dtc_complete.db","imported_at":"2026-03-12T04:55:11.000000Z","created_at":"2026-03-12T04:55:11.000000Z","updated_at":"2026-03-12T04:55:11.000000Z"},"entries":[{"id":21828,"code":"U1900","manufacturer":"GENERIC","description":"CAN Communication Bus Fault","type":"U","is_generic":true,"source":"mytrile_obd","source_db":"dtc_complete.db","imported_at":"2026-03-12T04:55:11.000000Z","created_at":"2026-03-12T04:55:11.000000Z","updated_at":"2026-03-12T04:55:11.000000Z"},{"id":8847,"code":"U1900","manufacturer":"OTHER","description":"CAN Communication Bus Fault","type":"U","is_generic":false,"source":"other_codes","source_db":"dtc_complete.db","imported_at":"2026-03-12T04:55:11.000000Z","created_at":"2026-03-12T04:55:11.000000Z","updated_at":"2026-03-12T04:55:11.000000Z"}],"relatedReports":[],"relatedManufacturers":["GENERIC","OTHER"],"reportCodes":[],"atomicSummary":"Kod U1900 oznacza can communication bus fault. To dobry punkt startowy do diagnozy, ale finalny sens kodu trzeba potwierdzi\u0107 objawem auta i live data. Na stronie wida\u0107 te\u017c warianty producent\u00f3w, co pomaga zaw\u0119zi\u0107 kontekst.","atomicEvidence":[{"label":"Evidence","value":"dataset DTC"},{"label":"Raporty RS","value":"0"},{"label":"Warianty","value":"2"},{"label":"Producenci","value":"2"}],"answerBlock":"Kod U1900 oznacza: CAN Communication Bus Fault. To typ U wariant generic i powinien by\u0107 \u0142\u0105czony z objawem auta, odczytem live data oraz realn\u0105 diagnostyk\u0105 warsztatow\u0105.","expandedAnswer":"Kod U1900 opisuje problem: CAN Communication Bus Fault. Ten wpis opiera si\u0119 g\u0142\u00f3wnie na lokalnej bazie DTC i powinien by\u0107 czytany jako punkt startowy, nie finalna diagnoza. Warianty producent\u00f3w dla tego kodu obejmuj\u0105: GENERIC, OTHER. Ostateczny sens tego kodu ustala si\u0119 dopiero po po\u0142\u0105czeniu go z objawami auta, parametrami live data i histori\u0105 napraw.","nextChecks":["Potwierd\u017a objaw kierowcy i warunki, w kt\u00f3rych kod wraca.","Zapisz freeze frame i podstawowe live data przed kasowaniem b\u0142\u0119du.","Sprawd\u017a magistrale komunikacyjne i zasilanie sterownik\u00f3w zanim wymienisz modu\u0142.","Por\u00f3wnaj, kt\u00f3re sterowniki widz\u0105 b\u0142\u0105d i w jakiej kolejno\u015bci pojawia si\u0119 usterka."],"priorityAnswerPaths":[{"kind":"service","label":"Elektryka pojazdowa","url":"https:\/\/rsperformance.online\/uslugi\/elektryka-pojazdowa","summary":"Przy kodach komunikacji zwykle wygrywa diagnostyka zasilania, CAN i sterownik\u00f3w.","signal":"type-fallback"},{"kind":"problem","label":"Problemy z odpalaniem","url":"https:\/\/rsperformance.online\/problemy\/problemy-z-odpalaniem","summary":"Zanik komunikacji i rozruch cz\u0119sto spotykaj\u0105 si\u0119 w tym samym przypadku.","signal":"type-fallback"},{"kind":"service","label":"Diagnostyka komputerowa","url":"https:\/\/rsperformance.online\/uslugi\/diagnostyka-komputerowa","summary":"Trzeba ustali\u0107, kt\u00f3ry sterownik znika pierwszy i co dzieje si\u0119 z zasilaniem.","signal":"type-fallback"}],"bmwEnrichment":null,"provenance":{"source":"mytrile_obd","source_db":"dtc_complete.db","imported_at":"2026-03-12T05:55:11+01:00","variant_count":2},"freshness":{"updated_at":"2026-03-12T05:55:11+01:00","last_verified_at":"2026-03-12T05:55:11+01:00","last_modified_at":"2026-03-12T05:55:11+01:00","date":"2026-03-12","display":"12 marca 2026","evidence_level":"dtc-dataset-only","source":"Baza DTC RS Performance"},"isFeatured":false,"isIndexable":false,"jsonUrl":"https:\/\/rsperformance.online\/kody-usterek\/u1900.json","entityContext":{"family":"U","manufacturer_count":2,"manufacturers":["GENERIC","OTHER"],"report_count":0,"related_codes":[],"linked_surfaces":["https:\/\/rsperformance.online\/kody-usterek\/typ\/u","https:\/\/rsperformance.online\/kody-usterek"]},"aiDiscovery":{"canonical_url":"https:\/\/rsperformance.online\/kody-usterek\/u1900","json_url":"https:\/\/rsperformance.online\/kody-usterek\/u1900.json","feed_url":"https:\/\/rsperformance.online\/feeds\/dtc.json","strongest_feed_url":"https:\/\/rsperformance.online\/feeds\/dtc-strongest.json","bmw_enrichment_feed_url":"https:\/\/rsperformance.online\/feeds\/dtc-bmw-enrichment.json","family_url":"https:\/\/rsperformance.online\/kody-usterek\/typ\/u","llms_url":"https:\/\/rsperformance.online\/llms.txt","ai_resources_url":"https:\/\/rsperformance.online\/.well-known\/ai-resources.json"},"masterTips":null}