{"version":"2026-03-12","generated_at":"2026-10-18T11:50:09+02:00","code":"P1638","genericEntry":{"id":19418,"code":"P1638","manufacturer":"GENERIC","description":"KAM Voltage Too Low","type":"P","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":19418,"code":"P1638","manufacturer":"GENERIC","description":"KAM Voltage Too Low","type":"P","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":755,"code":"P1638","manufacturer":"BMW","description":"Throttle Valve Position Control Throttle Stuck Temporarily","type":"P","is_generic":false,"source":"bmw_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"},{"id":1062,"code":"P1638","manufacturer":"BUICK","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"buick_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"},{"id":1962,"code":"P1638","manufacturer":"CADILLAC","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"cadillac_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"},{"id":2365,"code":"P1638","manufacturer":"CHEVY","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"chevy_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"},{"id":3583,"code":"P1638","manufacturer":"GM","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"gm_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"},{"id":3985,"code":"P1638","manufacturer":"GMC","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"gmc_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"},{"id":4414,"code":"P1638","manufacturer":"JAGUAR","description":"CAN Link ECM INSTM Circuit Network","type":"P","is_generic":false,"source":"jaguar_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"},{"id":6143,"code":"P1638","manufacturer":"OLDSMOBILE","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"oldsmobile_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"},{"id":6698,"code":"P1638","manufacturer":"OTHER","description":"Can Link ECM\/INSTM Circuit \/ Network Malfunction","type":"P","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"},{"id":16779,"code":"P1638","manufacturer":"SATURN","description":"Generator F-Terminal Circuit","type":"P","is_generic":false,"source":"saturn_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"},{"id":18678,"code":"P1638","manufacturer":"VOLKSWAGEN","description":"Data Bus Powertrain Missing Message From Clutch Control","type":"P","is_generic":false,"source":"volkswagen_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","BMW","BUICK","CADILLAC","CHEVY","GM","GMC","JAGUAR","OLDSMOBILE","OTHER","SATURN","VOLKSWAGEN"],"reportCodes":[],"atomicSummary":"Kod P1638 oznacza kam voltage too low. 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":"12"},{"label":"Producenci","value":"12"}],"answerBlock":"Kod P1638 oznacza: KAM Voltage Too Low. To typ P wariant generic i powinien by\u0107 \u0142\u0105czony z objawem auta, odczytem live data oraz realn\u0105 diagnostyk\u0105 warsztatow\u0105.","expandedAnswer":"Kod P1638 opisuje problem: KAM Voltage Too Low. 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, BMW, BUICK, CADILLAC, CHEVY. 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 parametry silnika i uk\u0142adu dolotowo-spalinowego, nie tylko sam numer kodu.","Por\u00f3wnaj kod z objawami obci\u0105\u017cenia, temperatury i adaptacji."],"priorityAnswerPaths":[{"kind":"service","label":"Diagnostyka komputerowa","url":"https:\/\/rsperformance.online\/uslugi\/diagnostyka-komputerowa","summary":"To najlepszy pierwszy krok przy kodach nap\u0119dowych i b\u0142\u0119dach pracy silnika.","signal":"type-fallback"},{"kind":"problem","label":"Kontrolka silnika \u015bwieci","url":"https:\/\/rsperformance.online\/problemy\/kontrolka-silnika-swieci","summary":"Wi\u0119kszo\u015b\u0107 kod\u00f3w typu P zaczyna si\u0119 od check engine, ale ko\u0144czy na konkretnej przyczynie.","signal":"type-fallback"},{"kind":"service","label":"Mechanika og\u00f3lna","url":"https:\/\/rsperformance.online\/uslugi\/mechanika-ogolna","summary":"Je\u017celi problem oka\u017ce si\u0119 mechaniczny, ten kierunek zamyka realny zakres naprawy.","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":12},"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\/p1638.json","entityContext":{"family":"P","manufacturer_count":12,"manufacturers":["GENERIC","BMW","BUICK","CADILLAC","CHEVY","GM","GMC","JAGUAR"],"report_count":0,"related_codes":[],"linked_surfaces":["https:\/\/rsperformance.online\/kody-usterek\/typ\/p","https:\/\/rsperformance.online\/kody-usterek"]},"aiDiscovery":{"canonical_url":"https:\/\/rsperformance.online\/kody-usterek\/p1638","json_url":"https:\/\/rsperformance.online\/kody-usterek\/p1638.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\/p","llms_url":"https:\/\/rsperformance.online\/llms.txt","ai_resources_url":"https:\/\/rsperformance.online\/.well-known\/ai-resources.json"},"masterTips":null}