P0921 - Pem hauv ntej ua haujlwm Actuator Circuit Court Range/Kev Ua Haujlwm
OBD2 yuam kev Codes

P0921 - Pem hauv ntej ua haujlwm Actuator Circuit Court Range/Kev Ua Haujlwm

31.10.2023 /

P0921 – OBD-II Teeb meem Code Technical Description

Pem Hauv Ntej Ua Haujlwm Tsav Chain Range / Kev Ua Haujlwm

Qhov txhaum cai txhais li cas P0921?

DTC P0921 yog txhais ua "Pem Hauv Ntej Ua Haujlwm Actuator Circuit Range / Kev Ua Haujlwm." Qhov kev kuaj kab mob no yog ib txwm muaj rau OBD-II nruab kis. Yog tias nws pom qhov hloov pauv hluav taws xob sab nraud ntawm cov chaw tsim khoom cov kev txwv tsis pub dhau, lub powertrain tswj module khaws P0921 txhaum cai thiab qhib lub teeb lub cav.

Rau kev xa mus ua haujlwm kom zoo, lub computer xav tau cov sensors thiab motors tsim nyog. Lub zog ua haujlwm rau pem hauv ntej sib xyaw ua ke tag nrho cov khoom no, tswj los ntawm ECU / TCM. Kev ua haujlwm tsis zoo hauv Circuit Court no yuav ua rau DTC P0921 khaws cia.

Tej zaum ua rau

Ib qho kev hloov mus rau pem hauv ntej tsav saw ntau / teeb meem kev ua tau zoo tuaj yeem tshwm sim los ntawm:

  • Imperfect RCM.
  • Distorted kis tau tus mob tswj module.
  • Malfunction ntawm forward gear shift tsav.
  • Cov teeb meem cuam tshuam nrog cov iav qhia.
  • Cov kab hluav taws xob tawg thiab cov khoom sib txuas.
  • Kev puas tsuaj rau cov xaim thiab / lossis cov khoom txuas.
  • Malfunction ntawm pem hauv ntej iav hloov actuator.
  • Kev puas tsuaj rau cov cuab yeej qhia.
  • Kev puas tsuaj rau lub iav hloov ncej.
  • Internal mechanical teeb meem.
  • ECU/TCM teeb meem lossis ua haujlwm tsis zoo.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0921?

Yuav kom daws tau qhov teeb meem zoo, nws yog ib qho tseem ceeb kom paub cov tsos mob. Nov yog qee cov tsos mob ntawm OBD teeb meem code P0921:

  • Kev siv roj ntau ntxiv.
  • Kev sib kis tsis raug.
  • Chaotic tus cwj pwm ntawm kev sib kis.
  • Tsis muaj peev xwm mus koom los yog disengage rau pem hauv ntej iav.

Yuav ua li cas kuaj tau tus lej txhaum P0921?

Txhawm rau kuaj xyuas OBD P0921 lub cav teeb meem code, koj tuaj yeem ua raws li cov kauj ruam no:

  1. Siv OBD-II teeb meem code scanner los kuaj xyuas qhov teeb meem code P0921.
  2. Tshawb xyuas cov ntaub ntawv khov nab kuab thiab sau cov lus qhia ntxaws ntxaws siv lub scanner.
  3. Tshawb xyuas cov lej txhaum ntxiv.
  4. Txheeb xyuas cov xov hlau, cov khoom sib txuas thiab lwm yam khoom siv rau kev ua txhaum.
  5. Clear DTC P0921 thiab sim tag nrho cov kab ke kom pom tias tus lej rov qab los.
  6. Ntsuas qhov hluav taws xob thiab av teeb liab ntawm qhov hloov pauv hloov pauv siv lub tshuab hluav taws xob digital / ohmmeter.
  7. Txheeb xyuas qhov txuas ntxiv ntawm qhov hloov pauv actuator hloov thiab roj teeb hauv av.
  8. Tshawb xyuas qhov hloov pauv thiab cov lus qhia pem hauv ntej rau txhua yam teeb meem thiab xyuas kom tseeb tias lawv ua haujlwm raug.
  9. Ib ntus tshem tawm DTC P0921 txhawm rau txheeb xyuas qhov rov tshwm sim dua.
  10. Yog tias cov cai tshwm sim, ua tib zoo xyuas TCM rau qhov tsis xws luag.
  11. Txheeb xyuas qhov ncaj ncees ntawm PCM txhawm rau txheeb xyuas qhov tsis xws luag.
  12. Tshem tawm qhov txhaum cai thiab rov sim tag nrho cov kab ke kom pom tias tus lej rov qab los.

Kev kuaj mob yuam kev

Feem ntau cov teeb meem kev kuaj mob muaj xws li:

  1. Kev sim tsis txaus ntawm txhua qhov ua tau ntawm qhov teeb meem.
  2. Kev txhais tsis tseeb ntawm cov tsos mob lossis cov lej yuam kev.
  3. Kev ntsuam xyuas tsis txaus ntawm cov tshuab thiab cov khoom siv cuam tshuam.
  4. Tsis quav ntsej los sau keeb kwm kev ua haujlwm tiav thiab raug ntawm lub tsheb.
  5. Tsis muaj kev mloog zoo rau kev nthuav dav thiab tsis muaj kev paub meej hauv kev sim.
  6. Siv cov cuab yeej kuaj mob thiab cov cuab yeej tsis tsim nyog lossis dhau los.
  7. Kev kho tsis raug lossis hloov cov khoom siv yam tsis muaj kev nkag siab txog lub hauv paus ntawm qhov teeb meem.

Txoj cai txhaum loj npaum li cas? P0921?

Teeb meem code P0921 qhia txog teeb meem nrog lub tsheb hloov qhov system. Qhov no tuaj yeem ua rau muaj teeb meem loj, uas tuaj yeem cuam tshuam rau tag nrho kev nyab xeeb thiab kev ua haujlwm ntawm lub tsheb. Yog li ntawd, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog los kuaj xyuas thiab kho qhov teeb meem ntawm thawj kos npe ntawm tsab cai no. Tsis quav ntsej txog qhov teeb meem no yuav ua rau muaj kev puas tsuaj ntxiv thiab kev sib kis tsis zoo.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0921?

Cov kev kho hauv qab no yuav raug tsim los daws DTC P0921:

  1. Tshawb xyuas thiab hloov cov kab hluav taws xob tsis raug thiab cov khoom sib txuas.
  2. Kev kuaj mob thiab hloov lub faulty forward gear shift tsav.
  3. Tshawb xyuas thiab tejzaum nws hloov cov khoom puas xws li lub iav qhia thiab hloov ncej.
  4. Kho lossis hloov cov teeb meem hauv tshuab hluav taws xob hauv kev sib kis.
  5. Xyuas thiab tejzaum nws hloov lub faulty electronic engine control unit (ECU) los yog kis tau tus mob tswj module (TCM).

Kev daws teeb meem cov teeb meem no tuaj yeem pab daws qhov teeb meem ua rau P0921 code. Txhawm rau kuaj xyuas thiab kho kom raug ntau dua, nws raug nquahu kom koj hu rau tus kws kho tsheb tus kws kho tsheb lossis tus kws tshaj lij kis mob.

P0921 Cav Code yog dab tsi [Quick Guide]

P0921 - Cov ntaub ntawv tshwj xeeb ntawm hom

Nov yog cov npe ntawm qee lub tsheb hom nrog lawv txhais lus ntawm P0921 txhaum cai:

  1. Ford - Hloov teeb liab yuam kev.
  2. Chevrolet - Tsawg voltage nyob rau hauv pem hauv ntej hloov tsav Circuit Court.
  3. Toyota - Pem hauv ntej hloov tsheb teeb liab teeb meem.
  4. Hasdas - Malfunction ntawm pem hauv ntej iav hloov tswj.
  5. BMW - Hloov teeb liab tsis sib haum.
  6. Mercedes-Benz - Pem hauv ntej hloov tsav ntau yam / kev ua haujlwm yuam kev.

Thov nco ntsoov tias kev txhais lus yuav txawv nyob ntawm tus qauv tshwj xeeb thiab xyoo ntawm kev tsim lub tsheb. Kom paub meej ntxiv, nws raug nquahu kom hu rau ib tus neeg muag khoom tso cai lossis tus kws tshaj lij kev pabcuam rau ib hom tsheb tshwj xeeb.

Cov lej cuam tshuam

Ntxiv ib saib