P0644 Tsav tsheb tso saib kev sib txuas lus (serial) - Circuit Court malfunction

P0644 – OBD-II Teeb meem Code Technical Description

Teeb meem code P0644 qhia txog kev sib txuas lus yuam kev ntawm ntau lub tsheb tswj modules.

Qhov txhaum cai txhais li cas P0644?

Teeb meem code P0644 qhia tias tsis ua hauj lwm hauv kev sib txuas lus ntawm lub tsheb ntau yam tswj modules. Cov cai no qhia txog qhov teeb meem ntawm kev sib txuas lus ntawm lub cav tswj module (PCM) thiab lwm yam khoom siv hauv lub tsheb, xws li kev tiv thaiv kev xauv nres, kev tswj roj hluav taws xob, kev tswj kev sib kis, thiab lwm yam.

Tej zaum ua rau

Qee qhov ua tau rau P0644 teeb meem code yog:

• Faulty wiring los yog kev sib txuas: Kev sib cuag tsis zoo los yog tawg hauv cov hluav taws xob xaim hluav taws xob ntawm ntau qhov kev tswj hwm yuav ua rau kev sib txuas lus tsis ua haujlwm.
• Control Module Malfunction: Yog hais tias ib qho ntawm lub tsheb tswj modules (xws li PCM los yog lwm yam auxiliary modules) ntsib ib tug malfunction, kev sib txuas lus ntawm lub modules yuav cuam tshuam.
• Teeb meem Software: Teeb meem nrog PCM lossis lwm yam kev tswj hwm module software tuaj yeem ua rau cov ntaub ntawv tsis raug.
• Kev cuam tshuam hluav taws xob: Kev puas tsuaj rau cov khoom siv hluav taws xob lossis kev cuam tshuam rau sab nraud electromagnetic teb tuaj yeem ua rau cov ntaub ntawv tsis raug.
• Lwm yam kev txhaum sab hauv: tej zaum yuav muaj lwm yam kev ua txhaum hauv cov tswj modules uas tuaj yeem ua rau kev sib txuas lus tsis ua haujlwm.

Txhawm rau txiav txim siab qhov laj thawj kom raug, nws yog ib qho tsim nyog yuav tsum ua kom paub meej txog kev kuaj mob ntawm lub tsheb.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0644?

Cov tsos mob rau DTC P0644 yuav txawv nyob ntawm seb lub tsheb tshwj xeeb thiab nws cov kev tswj hwm, tab sis qee cov tsos mob yuav muaj xws li:

• Kos qhov taw qhia cav: Cov tsos mob thiab/los yog flashing ntawm Check Engine lub teeb ntawm koj lub dashboard tej zaum yuav yog ib qho ntawm thawj cov cim qhia ntawm ib qho teeb meem.
• Txo kev ua haujlwm: Tej zaum yuav muaj kev txo qis hauv kev ua haujlwm ntawm lub cav lossis lwm lub tshuab tswj los ntawm cov qauv uas muaj teeb meem kev sib txuas lus.
• Kev coj cwj pwm txawv txawv: Ntau lub tsheb, xws li roj, ignition, braking thiab lwm yam, tej zaum yuav muaj tus cwj pwm txawv txawv vim muaj kev cuam tshuam hauv kev sib txuas lus.
• Misfires thaum lub cav ua haujlwm: Lub cav yuav misfire los yog tsis ruaj khov, tshwj xeeb tshaj yog nyob rau qis lossis siab ceev.
• Teeb meem kis tau tus mob: Yog hais tias muaj teeb meem kev sib txuas lus cuam tshuam rau kev tswj cov kis tau tus mob, nws yuav ua rau cov kis tau tus mob tsis zoo.
• Kev siv roj tsis zoo: Qee qhov xwm txheej, kev siv roj tsis zoo tuaj yeem yog vim muaj kev ua yuam kev hauv kev tswj hwm los ntawm P0644 code.

Yog tias koj xav tias qhov teeb meem no, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog rau kev kuaj mob thiab kho.

Yuav kuaj xyuas qhov teeb meem li cas P0644?

Kev kuaj mob DTC P0644 yuav tsum muaj txoj hauv kev zoo thiab yuav suav nrog cov kauj ruam hauv qab no:

• Tshawb xyuas cov lej yuam kev: Koj yuav tsum xub siv lub cuab yeej tshuaj ntsuam xyuas kom nyeem cov lej teeb meem, suav nrog P0644 code. Qhov no yuav pab txiav txim siab seb lub tshuab thiab cov khoom puas tuaj yeem cuam tshuam.
• Visual kev soj ntsuam ntawm cov xaim: Txheeb xyuas cov kab hluav taws xob thiab cov khoom sib txuas uas cuam tshuam nrog kev tswj hwm modules, tshwj xeeb tshaj yog cov uas yuav cuam tshuam los ntawm teeb meem kev sib txuas lus. Nrhiav cov cim qhia txog kev puas tsuaj, corrosion, lossis tawg thaiv.
• Tshawb xyuas qhov voltage: Siv lub multimeter, xyuas qhov voltage hauv Circuit Court uas muaj feem xyuam rau cov sensors siv voltage. Sib piv qhov ntsuas qhov ntsuas hluav taws xob nrog cov chaw tsim khoom pom zoo.
• Kev ntsuas tswj modules: Txheeb xyuas cov kev sib txuas lus ntsig txog kev tswj hwm xws li PCM, ECM thiab lwm yam. Xyuas kom lawv ua haujlwm kom raug thiab sib cuam tshuam nrog ib leeg.
• Xyuas cov sensors thiab qhov chaw sensors: Tshawb xyuas kev ua haujlwm ntawm cov sensors cuam tshuam nrog kev ua yuam kev, suav nrog lub ntsuas hluav taws xob pedal txoj hauj lwm sensors, roj twj tso kua mis sensors thiab lwm yam uas yuav cuam tshuam nrog kev sib txuas lus.
• Kev Ntsuas Hluav Taws Xob: Txheeb xyuas cov kev sib txuas hluav taws xob thiab kev sib txuas hauv av ntawm cov tswj modules kom ntseeg tau tias lawv muaj kev ruaj ntseg thiab tsis muaj corrosion los yog oxidation.
• Hloov kho cov softwareNco tseg: Hauv qee kis, kev hloov kho cov tswj module software yuav pab daws teeb meem kev sib txuas lus.
• Professional diagnostics: Yog tias koj tsis paub meej txog koj qhov kev txawj ntse lossis tsis muaj cov cuab yeej tsim nyog, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog rau kev kuaj mob thiab kho ntxiv.

Tom qab kuaj xyuas thiab tshem tawm cov teeb meem uas tau txheeb xyuas, nws yog ib qho tsim nyog yuav tsum tshem tawm cov lej txhaum cai thiab ua qhov kev sim tsav.

Kev kuaj mob yuam kev

Thaum kuaj pom DTC P0644, cov teeb meem hauv qab no yuav tshwm sim:

• Hla Hla Kev Tshawb Xyuas: Kev tshuaj xyuas cov xaim tsis raug lossis tsis tiav yuav ua rau tsis pom kev puas tsuaj, corrosion, lossis tawg uas yuav ua rau muaj teeb meem.
• Faulty txhais cov ntaub ntawv scanner: Kev txhais tsis raug ntawm cov ntaub ntawv tau los ntawm lub tshuab kuaj kab mob tuaj yeem ua rau muaj kev tshuaj xyuas tsis raug ntawm qhov ua rau muaj teeb meem.
• Kev hloov khoom siv tsis raug: Hloov cov khoom yam tsis tau kuaj xyuas kom raug thiab lees paub tias lawv ua yuam kev yuav ua rau cov nqi tsis tsim nyog thiab yuav daws tsis tau qhov teeb meem.
• Misdiagnosis ntawm lwm cov tshuab: Qee zaum muaj teeb meem nrog kev sib txuas lus ntawm cov tswj modules tuaj yeem tshwm sim los ntawm ib qho teeb meem hauv lwm qhov system hauv lub tsheb. Kev txheeb xyuas thiab kho cov teeb meem tsis raug yuav ua rau P0644 txuas ntxiv mus.
• Kev hloov pauv ntawm cov tswj modules ua tsis tiavNco tseg: Hloov cov tswj modules tsis tau kho qhov tseeb ntawm qhov teeb meem yuav ua tsis tau zoo thiab yuav daws tsis tau qhov teeb meem kev sib txuas lus.
• Software teeb meem: Tsis raug lossis tsis raug software ntawm cov tswj modules tuaj yeem ua rau muaj teeb meem kev sib txuas lus uas yuav raug txheeb xyuas tsis raug raws li P0644.

Txhawm rau zam qhov yuam kev no, nws yog ib qho tseem ceeb uas yuav tsum tau kuaj xyuas kom meej, ua raws li cov chaw tsim khoom cov lus pom zoo, siv cov cuab yeej siv thiab kev sim kom raug, thiab tiv tauj tus kws tshaj lij rau kev pab ntxiv yog tias tsim nyog.

Txoj cai txhaum loj npaum li cas? P0644?

Teeb meem code P0644, uas qhia txog cov teeb meem ntawm kev sib txuas lus ntawm ntau yam kev tswj modules hauv lub tsheb, tuaj yeem ua rau hnyav, tshwj xeeb tshaj yog tias nws ua rau muaj teeb meem nrog kev ua haujlwm ntawm lub tsheb. Qhov tsis muaj peev xwm ntawm kev tswj hwm kev sib txuas lus tuaj yeem ua rau ntau lub tshuab ua haujlwm tsis zoo, uas tuaj yeem cuam tshuam rau lub tsheb kev nyab xeeb, kev ua haujlwm, thiab kev ua haujlwm zoo.

Piv txwv li, yog tias lub cav tswj module tsis tuaj yeem sib txuas lus nrog lub nres tswj module, qhov no yuav ua rau tsis zoo braking kev ua haujlwm lossis txawm tias muaj teeb meem tsav tsheb. Tsis tas li ntawd, teeb meem nrog kev sib pauv ntaub ntawv tuaj yeem ua rau muaj teeb meem hauv cov tshuab uas tswj cov emissions, uas tuaj yeem ua rau muaj kev cuam tshuam tsis zoo rau ib puag ncig.

Yog li, tus lej P0644 yuav tsum tau txiav txim siab loj thiab yuav tsum tau saib xyuas tam sim. Tsis tsuas yog nws qhia tau hais tias muaj teeb meem hauv lub tsheb lub tshuab hluav taws xob, tab sis nws kuj tuaj yeem cuam tshuam rau nws txoj kev nyab xeeb thiab kev ntseeg tau.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0644?

Kev daws teeb meem code P0644 yuav xav tau ob peb kauj ruam nyob ntawm qhov ua rau muaj teeb meem, ntau yam ua tau:

1. Tshawb xyuas kev sib txuas hluav taws xob: Thawj kauj ruam yuav yog los xyuas tag nrho cov kev sib txuas hluav taws xob uas cuam tshuam nrog cov tswj hwm, suav nrog cov khoom sib txuas thiab cov xov hlau. Txhua qhov chaw puas lossis oxidized yuav tsum tau hloov lossis kho.
2. Diagnostics ntawm kev tswj modules: Faulty control modules tuaj yeem ua rau kev sib txuas lus yuam kev. Txheeb xyuas txhua qhov kev tswj hwm qhov tsis raug thiab qhov xav tau los hloov lawv.
3. Software hloov tshiabNco tseg: Qee qhov xwm txheej, kev hloov kho cov tswj module software yuav daws tau qhov teeb meem kev sib txuas lus. Qhov hloov tshiab tuaj yeem muaj los ntawm koj tus neeg muag khoom tso cai lossis cov chaw tsim tsheb.
4. Tshawb xyuas CAN network: Yog tias txoj cai yuam kev qhia tias muaj teeb meem nrog Controller Area Network (CAN), kev kuaj xyuas tag nrho ntawm lub network yuav tsum tau ua, suav nrog kev kuaj xyuas cov cables, txuas thiab lwm yam khoom siv.
5. Hloov cov modules: Yog tias tom qab kuaj pom tau pom tias ib lossis ntau qhov kev tswj hwm modules yog qhov ua yuam kev tiag tiag thiab tsis tuaj yeem rov qab tau, ces lawv yuav tsum tau hloov nrog cov tshiab lossis cov kev pabcuam.
6. Professional diagnostics: Yog tias koj tsis paub meej txog koj qhov kev txawj ntse lossis kev nkag mus rau cov cuab yeej tsim nyog, nws raug nquahu kom koj hu rau ib tus kws kho tsheb tsim nyog lossis chaw pabcuam rau kev kuaj mob kom ntxaws thiab kho qhov teeb meem.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev kho tus lej P0644 tuaj yeem yog qhov nyuaj thiab xav tau kev txawj ntse thiab cov cuab yeej siv, yog li thaum tsis ntseeg, nws yog qhov zoo tshaj kom tso nws mus rau tus kws tshaj lij.

Yuav kuaj thiab kho li cas P0644 Cav Code - OBD II Trouble Code piav qhia

P0644 - Cov ntaub ntawv tshwj xeeb ntawm hom

Teeb meem code P0644, cuam tshuam nrog tus tsav tsheb zaub thiab hluav taws xob kev sib txuas lus Circuit Court (serial) malfunction, tuaj yeem muaj cov ntsiab lus sib txawv nyob ntawm seb hom tsheb tshwj xeeb. Nov yog qee qhov ua tau decodings rau ntau hom:

• Ford: Tus tsav tsheb pom kev sib txuas lus yuam kev.
• Chevrolet / GMC: Driver zaub, serial kev sib txuas lus - Circuit Court txhaum.
• Dodge / Ram: Muaj teeb meem nrog tus tsav tsheb kev sib txuas lus.
• Toyota: Malfunction ntawm hluav taws xob kev sib txuas lus Circuit Court nrog tus tsav tsheb zaub.
• Hasdas: Driver zaub, serial kev sib txuas lus - Circuit Court txhaum.

Cov no tsuas yog qee qhov kev txiav txim siab tau rau cov hom tsheb tshwj xeeb. Yog xav paub ntau ntxiv txog qhov teeb meem kev txheeb xyuas qhov tseeb, nws raug nquahu kom koj sab laj phau ntawv kho thiab kev pabcuam rau koj qhov tshwj xeeb tsim thiab qauv ntawm lub tsheb.