EDC17V732故障码及常见疑难故障解析

1、部部件件或或系系统统闪闪码码诊诊断断仪仪代代码码（十十进进制制）诊诊断断仪仪代代码码（十十六六进进制制）进气质量传感器2341P00012342P00022343P00032344P00042345P00052346P00062347P00072348P00082349P000923410P000A空调压缩机驱动31311P000B31312P000C31313P000D31314P000E31315P000F31316P001031317P001131318P0012空调开关31419P001331420P0014进气量控制器28121P001528122P001628123P0017281

2、24P001828125P0019进气加热器32326P001A32327P001B32328P001C32329P001D32230P001E冷起动温度监测48131P001F48132P002048133P002148134P002248135P002348136P0024执行器继电器11437P002511538P002611639P002711440P002811541P002911642P002A蓄电池监测12443P002B12444P002C12445P002D12446P002E刹车监测22372022372122347P002F22372222348P0030CAN通讯节点监

3、测41149P003141250P003241351P003341452P003441153P003541254P003641355P003741456P0038水温传感器监测24257P003924258P003A冷起动温度监测24159P003B24160P003C24161P003D24262P003E离合器监测22263P003F22264P0040发动机扭矩限制监测52165P004152266P004252367P004352468P004453469P004553370P004653271P004753172P0048CAN通讯报文监测41973P004941374P004A42

4、275P004B42276P004C42277P004D42278P004E42179P004F42180P005042181P005142182P005243772342083P005343572443572543572642086P005643572743572843572943989P005944090P005A42391P005B42392P005C42393P005D42394P005E42395P005F42496P006022873041398P006241399P0063水温传感器监测413100P0064413101P0065450102P0066457103P0067413

5、104P0068458105P0069425731425106P006A425732425107P006B425733427734459108P006C413109P006D230735226736421110P006E422111P006F421112P0070422113P0071421114P0072422115P0073421116P0074422117P0075421118P0076422119P0077421120P0078422121P0079421122P007A422123P007B421124P007C422125P007D421126P007E422127P007F421

6、128P0080422129P0081428737429738478739460130P0082421131P0083422132P0084421133P0085422134P0086421135P0087CAN通讯报文监测422136P0088421137P0089422138P008A467139P008B234740236741468140P008C469141P008D237742470142P008E414143P008F414144P0090414145P0091414146P0092415147P0093415148P0094415149P0095415150P009641615

7、1P0097416152P0098417153P0099417154P009A417155P009B417156P009C418157P009D418158P009E418159P009F418160P00A0434743414744414161P00A1414745414162P00A2415746415163P00A3415747415164P00A4416748416165P00A5417749417166P00A6417750417167P00A7418751418168P00A8418752CAN通讯报文监测418169P00A9471170P00AA472171P00AB47317

8、2P00AC474173P00AD474174P00AE474175P00AF474176P00B0474177P00B1474178P00B2474179P00B3474180P00B4475181P00B5476182P00B6477183P00B7OBD扭矩限制监测511184P00B8巡航开关监测341185P00B9ECU硬件自监测111186P00BA111187P00BB蓄电池监测124188P00BC124189P00BD排气制动监测342190P00BE车下启停开关监测343753343191P00BF343754343192P00C0缸内排气制动压缩阀监测315193P00

9、C1315194P00C2315195P00C3315196P00C4EEP监测117197P00C5117198P00C6117199P00C7EGR阀监测351200P00C8352201P00C9352202P00CA352203P00CB353204P00CC353205P00CD353206P00CE353207P00CF353208P00D0352209P00D1352210P00D2CAN通讯报文监测354211P00D3354212P00D4355213P00D5355214P00D6354215P00D7354216P00D8352217P00D9352218P00DA355

10、219P00DB355220P00DC354221P00DD喷油监测512222P00DE发动机保护513223P00DF514224P00E0发动机转速输出监测344225P00E1344226P00E2344227P00E3344228P00E4环境压力监测232229P00E5232230P00E6232231P00E7环境温度监测235232P00E8235233P00E9235234P00EA凸轮轴信号监测123235P00EB123236P00EC123237P00ED曲轴信号监测122238P00EE122239P00EF排气制动继电器监测311240P00F0311241P00

11、F1311242P00F2311243P00F3311244P00F4311245P00F5模数转换监测111246P00F6智能风扇电磁阀监测312247P00F7312248P00F8312249P00F9312250P00FA312251P00FB312252P00FC312253P00FD312254P00FE智能风扇PWM驱动监测312255P00FF312256P0100312257P0101EGR阀监测312258P0102智能风扇转速监测316259P0103316260P0104316261P0105油量平衡修正监测482262P0106482263P0107482264P0

12、108482265P0109482266P010A482267P010B燃油压差传感器监测212268P010C212269P010D燃油滤清器监测213270P010E213271P010F燃油加热继电器监测216272P0110216273P0111216274P0112216275P0113油中有水传感器监测214276P0114214277P0115211278P0116燃油液位温度传感器监测217279P0117215280P0118215281P0119215282P011A空挡监测227283P011B进气加热灯监测332284P011C332285P011D332286P011

13、E332287P011F进气加热继电器监测321288P0120321289P0121321290P0122321291P0123喷油系统喷射次数监测324292P0124324293P0125324294P0126324295P0127发动机起动监测325296P0128轨压监测276297P0129喷油器监测483298P012A483299P012B483300P012C483301P012D483302P012E483303P012F151304P0130151305P0131智能风扇PWM驱动监测153306P0132141307P0133142308P0134143309P0135

14、144310P0136145311P0137146312P0138141313P0139142314P013A143315P013B144316P013C145317P013D146318P013E141319P013F142320P0140143321P0141144322P0142145323P0143146324P0144141325P0145142326P0146143327P0147144328P0148145329P0149146330P014A151755151756426757426758PTO开关监测345331P014B油量计量单元监测133332P014C133333P0

15、14D133334P014E133335P014F133336P0150133337P0151133338P0152133339P0153133340P0154MIL灯监测331341P0155331342P0156331343P0157331344P0158PTO开关监测345345P0159ECU内部监测262346P015A喷油器监测262347P015B262348P015C262349P015D262350P015E262351P015F263352P0160263353P0161263354P0162263355P0163263356P0164263357P0165263358P0

16、166263359P0167263360P0168263361P0169MoF监测264362P016A264363P016B264364P016C264365P016D264366P016E264367P016F264368P0170264369P0171261370P0172261759264371P0173264372P0174264373P0175264374P0176扭矩监测限制264375P0177264376P0178264377P0179供电模块监测265378P017A265379P017B主继电器监测125380P017C125381P017D下游NOx传感器信号监测421

17、382P017E421383P017F421384P0180421385P0181421386P0182421387P0183421388P0184421389P0185421390P0186ECU内部监测421391P0187421392P0188421393P0189421394P018A421395P018B421396P018C421397P018D421398P018E421399P018F421400P0190PTO开关监测345401P0191上游NOx传感器信号监测484402P0192484403P0193484404P0194484405P0195484406P019648

18、4407P0197484408P0198484409P0199484410P019A484411P019B484412P019C484413P019D484414P019E484415P019F484416P01A0484417P01A1484418P01A2484419P01A3484420P01A4484421P01A5484422P01A6不可清除代码存储监测485423P01A7485424P01A8485425P01A9485426P01AA485427P01AB485428P01AC485429P01AD485430P01AE485431P01AF485432P01B0485433

19、P01B1485434P01B2485435P01B3485436P01B4485437P01B5485438P01B6下游NOx传感器信号监测WDA监测111439P01B7111440P01B8111441P01B9111442P01BA机油液位传感器监测246443P01BB246444P01BC246445P01BD246446P01BE246447P01BF机油压力监测334448P01C0334449P01C1334450P01C2334451P01C3243452P01C4243453P01C5243454P01C6243455P01C7243456P01C8243457P01C

20、9243458P01CA机油温度监测244459P01CB244460P01CC244461P01CD244462P01CE244463P01CF增压压力控制器监测282464P01D0282465P01D1油量扭矩转化监测245466P01D2上游进气压力监测231467P01D3231468P01D4231469P01D5231470P01D6颗粒捕集器POC监测471471P01D7472472P01D8473473P01D9473474P01DA473475P01DB473476P01DC473477P01DD473478P01DE限压阀监测134479P01DF137480P01E0

21、138481P01E1135482P01E2136483P01E3136484P01E4136485P01E5ECU内部监测111486P01E6轨压控制器监测251487P01E7252488P01E8255489P01E9253490P01EA256491P01EB271492P01EC272493P01ED273494P01EE274495P01EF275496P01F0132497P01F1132498P01F2136499P01F3136760136761轨压传感器监测131500P01F4131501P01F5尿素喷射量调整量434502P01F6氮氧化物排放监测435503P01

22、F7435504P01F8430505P01F9431506P01FA432507P01FB421508P01FC421509P01FD421510P01FE421511P01FF422512P0200422513P0201436514P0202尿素喷射量监测438515P0203438516P0204438517P0205SCR控制系统监测437518P0206尿素喷射压力监测441519P0207441520P0208441521P0209119522P020A447523P020B限压阀监测442524P020C443525P020D442526P020E441527P020F44152

23、8P0210441529P0211SCR系统可信性监测446530P0212119531P0213444532P0214444533P0215444534P0216453535P0217453536P0218445537P0219445538P021A441539P021B455540P021C455541P021D455542P021E456543P021F456544P0220446545P0221SCR控制系统监测438546P0222PTO开关监测345547P0223尿素泵检测455548P0224455549P0225454550P0226454551P0227454552P022

24、8456553P0229456554P022A油门踏板检测221555P022B221556P022C229557P022D229558P022E221559P022F221560P0230229561P0231229562P0232尿素液位传感器监测445563P0233尿素喷射压力监测445564P0234传感器供电监测112565P0235112566P0236112567P0237113568P0238113569P0239113570P023A113571P023B停车指示监测111572P023C335573P023D335574P023E335575P023F335576P024

25、0起动机继电器监测121577P0241121578P0242121579P0243121580P0244诊断灯检测333581P0245333582P0246333583P0247333584P0248故障诊断软件复位监测118585P0249118586P024A118587P024B踏板可信性监测221588P024C221589P024D229590P024ET50开关监测345591P024F空气温度传感器监测234592P0250234593P0251234594P0252234595P0253中冷后进气温度信号监测233596P0254233597P0255233598P0256

26、233599P0257ECU内部监测119600P0258119601P0259节气门阀监测361602P025A362603P025B362604P025C362605P025D363606P025E尿素液位传感器监测363607P025F363608P0260363609P0261363610P0262362611P0263362612P0264364613P0265364614P0266365615P0267365616P0268364617P0269364618P026A362619P026B362620P026C365621P026D365622P026E364623P026F进气阀

27、上游温度传感器监测236624P0270236625P0271增压器监测237626P0272237627P0273237628P0274237629P0275237630P0276SCR催化剂下游温度传感器监测448631P0277448632P0278448633P0279SCR催化剂上游温度传感器监测448634P027A448635P027B448636P027C尿素液位监测445637P027D尿素喷嘴监测453638P027E453639P027F453640P0280453641P0281453642P0282453643P0283尿素加热继电器和执行器监测433644P0284

28、461645P0285461646P0286461647P0287461648P0288461649P0289461650P028A461651P028B462652P028C462653P028D462654P028E节气门阀监测462655P028F462656P0290462657P0291462658P0292463659P0293463660P0294463661P0295463662P0296463663P0297464664P0298464665P0299464666P029A464667P029B464668P029C464669P029D464670P029E465671P0

29、29F465672P02A0465673P02A1465674P02A2465675P02A3465676P02A4465677P02A5466678P02A6466679P02A7466680P02A8466681P02A9尿素泵电机监测451682P02AA451683P02AB451684P02AC451685P02AD451686P02AE451687P02AF451688P02B0尿素泵压力监测451689P02B1451690P02B2451691P02B3451692P02B4451693P02B5尿素换向阀监测452694P02B6452695P02B7452696P02B84

30、52697P02B9452698P02BA452699P02BB452700P02BC452701P02BD尿素加热继电器和执行器监测尿素温度传感器监测446702P02BE446703P02BF446704P02C0446705P02C1446706P02C2车速监测224707P02C3224708P02C4224709P02C5224710P02C6224711P02C7224712P02C8225713P02C9225714P02CA225715P02CB报警灯监测336716P02CC336717P02CD336718P02CE336719P02CF中中文文描描述述进气流量计电压错误

31、进气流量计修正系数高于最大允许值进气流量计修正系数高于最大允许值（怠速时）或低于最小允许值进气流量计修正系数怠速时高于最大允许值或低于最小允许值进气流量计修正系数高于最大允许值或低于最小允许值进气流量计传感器漂移高于最大门限值进气流量计传感器漂移低于最小门限值进气流量计传感器硬件信号错误进气流量计原始信号高过最大门限值进气流量计原始信号低过最小门限值空调压缩机驱动无负载空调压缩机驱动温度过高空调压缩机减载驱动开路空调压缩机减载驱动温度过高空调压缩机减载驱动对电源短路空调压缩机减载驱动对地短路空调压缩机驱动对电源短路空调压缩机驱动对地短路空调开关CAN信号输入不信性空调开关CAN信号输入超时再生

32、时空气控制器正向偏差超过上限门槛值再生时空气控制器负向偏差超过上限门槛值空气控制器正向偏差超过上限门槛值空气控制器负向偏差超过上限门槛值空气控制器从Rgn模式到Nrm时间太长进气加热栅格关闭时电压信号高进气加热栅格关闭时电压信号低进气加热栅格开通时电压信号高进气加热栅格开通时电压信号低进气加热栅格常通冷起动时温度_0不可信冷起动时温度_1不可信冷起动时温度_2不可信冷起动时温度_3不可信冷起动时温度_4不可信冷起动时多个温度不可信执行器_0对电源短路执行器_1对电源短路执行器_2对电源短路执行器_0对地短路执行器_1对地短路执行器_2对地短路蓄电池电压太高蓄电池电压太低蓄电池电压信号太高蓄电池

33、电压信号太低刹车信号不可信刹车信号不可信主、辅刹车信号不在同一状态刹车信号不可信刹车信号错误CAN节点A总线错误CAN节点B总线错误CAN节点C总线错误CAN节点D总线错误CAN节点A总线关闭错误CAN节点B总线关闭错误CAN节点C总线关闭错误CAN节点D总线关闭错误发动机冷却液稳态温度不可信发动机冷却液动态温度不可信来自CAN信号的发动机冷却液温度错误发动机冷却液温度原始电压高于上限发动机冷却液温度原始电压低于下限发动机冷却液温度不可信（该温度与所选的第二温度的偏差高于上限）离合器信号不可信（档位变化了，但离合器信号没有相应变化）来自CAN的离合器信号错误增增压压器器保保护护使使得得扭扭矩矩

34、限限制制过过大大发动机保护使得扭矩限制过大喷油系统保护使得扭矩限制过大报告并存储以上的扭矩限制过大排气制动使得扭矩限制过大颗粒捕集器使得扭矩限制过大扭矩限制器使得扭矩限制过大烟度限制使得扭矩限制过大CAN发送帧ACK超时错误CAN发送帧AmbCon超时错误CAN接收帧AT1IG1数据长度错误CAN接收帧AT1IG1超时错误CAN接收帧AT1IGC1超时错误CAN接收帧AT1IGC2超时错误CAN接收帧AT1O1数据长度错误CAN接收帧AT1O1超时错误NOx传感器CAN信息AT1OGC1超时错误NOx传感器CAN信息AT1OGC2超时错误CAN接收帧DEC1超时错误ECU与NOx传感器通讯错误

35、CAN发送DM19Ds的BAM到Packet超时错误CAN发送DM19Ds超时错误CAN发送DM19Ds的Packet到Packet超时错误ECU与NOx传感器通讯错误CAN发送DM19Us的BAM到Packet超时错误CAN发送DM19Us超时错误CAN发送DM19Us的Packet到Packet超时错误BAM到第一数据包超时数据包到数据包超时DCU信息SPN1错误DCU信息SPN2错误DCU信息SPN3错误DCU信息SPN4错误DCU信息SPN5错误DCU BAM超时CAN接收帧EBC1数据量错误CAN接收帧EBC1 超时错误CAN发送帧EEC1 超时错误CAN发送帧EEC2 超时错误CA

36、N发送帧EEC3 超时错误CAN发送帧EFL_P1 超时错误CAN发送发动机关闭请求错误CAN发送帧EngTemp 超时错误CAN发送帧ERC1 超时错误CAN接收帧ETC1数据量错误CAN接收帧ETC1 超时错误CAN接收帧ETC2数据量错误CAN接收帧ETC2 超时错误CAN接收帧ETC7超时错误CAN接收帧风扇驱动超时错误CAN发送帧FlEco 超时错误CAN发送帧INCON 超时错误CAN发送帧FIC超时错误CAN发送帧MFD1超时错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息

37、错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误NOx传感器CAN信息错误BAM下游DM19超时错误BAM上游DM19超时错误NOx传感器氧浓度CAN信息SAE J1939错误NOx传感器氧浓度CAN信息SAE J1939错误CAN接收发动机缓速器配置BAM超时错误CAN接收发动机缓速器配置Packet超时错误CAN接收帧CCVS数据量错误CAN接收帧ETC1 超时错误DFC SAE J1939 错误NOx

38、传感器CAN信息错误NOx传感器氧浓度CAN信息错误NOx传感器氧浓度CAN信息错误NOx传感器供电CAN信息错误NOx传感器供电CAN信息错误NOx传感器温度CAN信息错误NOx传感器温度CAN信息错误CAN发送帧关闭超时错误CAN接收帧T50状态错误CAN接收帧TCO1数据量错误CAN接收帧TCO1超时错误CAN接收帧TI1超时错误CAN接收帧TimeDate数据量错误CAN接收帧TimeDate 超时错误CANTSC1AE信息主动超时CANTSC1AE信息被动超时CANTSC1AR信息主动超时CANTSC1AR信息被动超时CANTSC1DE信息被动超时CANTSC1DE信息被动超时CAN

39、TSC1DR信息被动超时CANTSC1DR信息被动超时CANTSC1PE信息主动超时CANTSC1PE信息被动超时CANTSC1VE信息主动超时CANTSC1VE信息被动超时CANTSC1TR信息主动超时CANTSC1TR信息被动超时CANTSC1VE信息主动超时CANTSC1VE信息被动超时CANTSC1VR信息主动超时CANTSC1VR信息被动超时来自CAN的发动机起动锁死错误CAN接收帧TSC1AE数据量错误CAN接收帧TSC1AE 超时错误CAN接收帧TSC1AR数据量错误CAN接收帧TSC1AR 超时错误CAN接收帧TSC1DE数据量错误CAN接收帧TSC1DE 超时错误CAN接收帧

40、TSC1DR数据量错误CAN接收帧TSC1DR 超时错误CAN接收帧TSC1PE数据量错误CAN接收帧TSC1PE 超时错误CAN接收帧TSC1TE数据量错误CAN接收帧TSC1TE 超时错误CAN接收帧TSC1TR数据量错误CAN接收帧TSC1TR 超时错误CAN接收帧TSC1VE数据量错误CAN接收帧TSC1VE 超时错误CAN接收帧TSC1VR数据量错误CAN接收帧TSC1VR 超时错误CAN发送帧超时错误NOx传感器温度CAN信息错误TxPGNRQ信息CAN超时CAN发送帧UAA1超时错误CAN发送帧UAA2超时错误CAN发送帧UAA3超时错误CAN发送帧UAA4超时错误CAN发送帧U

41、AA5超时错误CAN发送帧UAA6超时错误CAN发送帧UAA7超时错误CAN发送帧UAA8超时错误CAN发送帧VD超时错误CAN发送帧VEP1超时错误CAN发送帧WFI超时错误OBD扭矩限制激活错误巡航控制开关组合错误Cy146相关SPI和COM错误Cy320相关SPI和COM错误蓄电池电压太高蓄电池电压太低排气制动不可信来自CAN的发动机后停止锁死错误车下停止开关信号不可信来自CAN的发动机后起动锁死错误车下起动开关信号不可信缸内排气制动压缩阀驱动无负载缸内排气制动压缩阀驱动过热缸内排气制动压缩阀驱动对电源短路缸内排气制动压缩阀驱动对地短路EEP擦除错误EEP读取错误EEP写错误EGR阀电流

42、限制EGR阀关闭状态下位置电压信号不在范围内EGR阀开启状态下位置电压信号不在范围内EGR阀关闭状态下自学习电压信号不在范围内冷启动时EGR阀控制偏差不在范围内冷启动时EGR阀控制正向偏差不在范围内冷启动时EGR阀控制负向偏差不在范围内EGR阀堵塞在关闭位置EGR阀堵塞在开启位置EGR阀关闭状态下两个自学习电压信号长时间偏差太大EGR阀开启状态下两个自学习电压信号长时间偏差太大EGR阀无负载EGR阀过热EGR阀反馈开度高于上限EGR阀反馈开度低于下限EGR阀对电源短路EGR阀对地短路EGR阀关闭状态下两个自学习电压信号短时间偏差太大EGR阀开启状态下两个自学习电压信号短时间偏差太大EGR阀反馈

43、电压高于上限EGR阀反馈电压低于下限EGR阀连接不可靠发动机关闭请求导致喷油切断发动机超速发动机保护激活发动机转速输出无负载发动机转速输出温度过高发动机转速输出对电源短路发动机转速输出对地短路环境压力CAN信息错误环境压力传感器器电压高于上限环境压力传感器器电压低于下限环境温度不可信环境温度传感器器电压高于上限环境温度传感器器电压低于下限凸轮轴信号错误凸轮轴信号缺失凸轮轴信号偏差错误曲轴信号错误曲轴信号缺失排气制动继电器无负载排气制动继电器超温排气制动继电器对电源短路排气制动继电器对地短路排气制动继电器状态不可信排气制动继电器状态错误模数转换偏差太大风扇电磁阀1无负载风扇电磁阀2无负载风扇电磁

44、阀1超温风扇电磁阀2超温风扇电磁阀1对电源短路风扇电磁阀2对电源短路风扇电磁阀1对地短路风扇电磁阀2对地短路风扇PWM驱动无负载风扇PWM驱动超温风扇PWM驱动对电源短路风扇PWM驱动对地短路风扇转速信号时间间隔太长风扇转速高过最大值风扇转速低于最小值油量平衡修正油量错误1油量平衡修正油量错误2油量平衡修正油量错误3油量平衡修正油量错误4油量平衡修正油量错误5油量平衡修正油量错误6燃油压差电压信号高于上限燃油压差电压信号低于下限燃油滤清器堵塞燃油滤清器堵塞不可信燃油加热驱动无负载燃油加热驱动过热燃油加热驱动对电源短路燃油加热驱动对地短路油中有水传感器电压信号高于上限油中有水传感器电压信号低于下

45、限油中有太多水燃油箱油位低于下限或液力系统有气燃油温度传感器电压信号高于上限燃油温度传感器电压信号低于下限燃油温度信号不可信空挡CAN输入信号错误进气加热灯无负载进气加热灯过热进气加热灯对电源短路进气加热灯对地短路进气加热无负载进气加热过热进气加热对电源短路进气加热对地短路喷射次数超过驱动电路限制喷射次数超过高压油泵限制喷射次数超过系统限制喷射次数超过系统限制发动机起动失败轨压低于最小值喷油器修正参数错误1喷油器修正参数错误2喷油器修正参数错误3喷油器修正参数错误4喷油器修正参数错误5喷油器修正参数错误6喷油电容1短路喷油电容2短路喷油专用芯片错误喷油器1开路喷油器2开路喷油器3开路喷油器4开

46、路喷油器5开路喷油器6开路喷油器1错误（没有定义，只是保留）喷油器2错误（没有定义，只是保留）喷油器3错误（没有定义，只是保留）喷油器4错误（没有定义，只是保留）喷油器5错误（没有定义，只是保留）喷油器6错误（没有定义，只是保留）喷油器1短路喷油器2短路喷油器3短路喷油器4短路喷油器5短路喷油器6短路喷油器1低端与高端短路喷油器2低端与高端短路喷油器3低端与高端短路喷油器4低端与高端短路喷油器5低端与高端短路喷油器6低端与高端短路喷油电容1对地短路喷油电容2对地短路喷油电容1对地短路测试错误喷油电容2对地短路测试错误PTO开关电压高于上限ECU与油量计量单元接触不良油量计量单元开路油量计量单元

47、过热油量计量单元高端对电源短路油量计量单元高端对地短路油量计量单元低端驱动对电源短路油量计量单元低端驱动对地短路油量计量单元电流反馈电压信号高于上限油量计量单元电流反馈电压信号低于下限MIL灯无负载MIL灯超温MIL灯对电源短路MIL灯对地短路PTO开关电压低于下限（多态开关）数模转换错误数模转换错误模数转换比例系数错误CPU与监测模块通讯错误CPU与监测模块通讯错误ECU内存错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误CPU与监测模块通讯错误

48、CPU与监测模块通讯错误加速踏板两个电压不一致发动机转速不可信喷油器加电时间不可信喷射提前角不可信零油量标定的加电时间不可信后喷2效能不可信后喷2关闭错误后喷3效能不可信OverRun时加电时间超过最大值Overrun时喷油器加电时间超过最大允许值（对喷油器的过热保护）喷射量修正波形不可信轨压错误远程加速踏板两个电压不一致发动机实际扭矩与允许扭矩不一致轨压控制路径被功能控制模块扭矩监测限制空气系统路径被功能控制模块扭矩监测限制喷油量设定路径被功能控制模块扭矩监测限制供电模块1电压超过上限供电模块1电压低于下限ECU上电后主继电器开启过早主继电器开启滞后下游NOx传感器供电错误下游NOx传感器信

49、号补偿不可信下游NOx传感器信号不可信下游NOx传感器lambda电压信号高于上限下游NOx传感器lambda电压信号低于下限下游NOx传感器lambda电压信号高于上限下游NOx传感器lambda电压信号低于下限下游NOx传感器lambda信号高于上限下游NOx传感器lambda信号低于下限下游NOx传感器NOx信号最大偏移高于上限下游NOx传感器NOx信号最小偏移低于下限下游NOx传感器NOx信号平均偏移高于上限下游NOx传感器NOx信号平均偏移低于下限下游NOx传感器NOx信号不可信下游NOx传感器NOx信号状态不可信下游NOx传感器NOx信号高于上限下游NOx传感器NOx信号低于下限下

50、游NOx传感器NOx信号开路下游NOx传感器NOx信号短路PTO开关电压不可信上游NOx传感器供电错误上游NOx传感器信号补偿不可信上游NOx传感器信号动态监测错误上游NOx传感器信号动态监测错误上游NOx传感器信号不可信上游NOx传感器lambda电压信号高于上限上游NOx传感器lambda电压信号低于下限上游NOx传感器lambda电压信号高于上限上游NOx传感器lambda电压信号低于下限上游NOx传感器lambda信号高于上限上游NOx传感器lambda信号低于下限上游NOx传感器NOx信号最大偏移高于上限上游NOx传感器NOx信号最小偏移低于下限上游NOx传感器NOx信号平均偏移高于

51、上限上游NOx传感器NOx信号平均偏移低于下限上游NOx传感器NOx信号不可信上游NOx传感器NOx信号状态不可信上游NOx传感器NOx信号高于上限上游NOx传感器NOx信号低于下限上游NOx传感器NOx信号开路上游NOx传感器NOx信号短路错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储错误的不可清除代码存储WDA

52、激活错误WDA/ABE低电压错误WDA/ABE过电压检测WDA/ABE过未知原因错误机油液位电压信号高于上限机油液位电压信号低于下限机油液位电压信号不可信机油液位信号高于上限机油液位信号低于下限机油压力指示灯开路机油压力指示灯温度太高机油压力指示灯对电源短路机油压力指示灯对地短路机油压力信号错误机油压力信号不可信机油压力高于上限机油压力低于下限机油压力CAN信号错误机油压力电压信号高于上限机油压力电压信号低于下限机油温度信号高于上限机油温度CAN信号错误机油温度电压信号高于上限机油温度电压信号低于下限机油温度信号不可信增压压力正向偏差高于上限增压压力负向偏差高于上限油量扭矩转化不单调上游进气压

53、力信号高于上限上游进气压力信号低于下限上游进气压力电压信号高于上限上游进气压力电压信号低于下限颗粒捕集器POC阻塞颗粒捕集器POC拆除颗粒捕集器POC压差信号高于上限颗粒捕集器POC压差信号低于下限颗粒捕集器POC压差电压信号AfterRun时高于上限颗粒捕集器POCCAN信号错误颗粒捕集器POC压差电压信号高于上限颗粒捕集器POC压差电压信号低于下限限压阀打开次数达到或超过最大值轨压过大导致限压阀打开轨压振荡导致限压阀打开限压阀打开限压阀打开时油量平衡错误平均轨压超出容许范围限压阀打开时间达到限值ECU内部供电监测模块错误轨压控制器正向偏差高于上限高压油泵泵油量高于上限，有泄漏小泵油量下轨压

54、控制器负向偏差高于第一阶段限值小泵油量下轨压控制器负向偏差高于第二阶段限值轨压低于下限轨压高于第一阶段限值轨压高于第二阶段限值OverRun时高压油泵设定泵油量高于上限低怠速时高压油泵设定泵油量高于上限轨压变化量超过上限次数高于上限轨压正向偏差高于上限轨压负向偏差低于下限轨压超过最大允许值PRV阀打开错误（应该打开了，但实际没有开）高压油泵始终工作在最大泵油量状态轨压传感器电压信号超过上限轨压传感器电压信号低于下限尿素喷射量调整量出错（P1851）SCR自适应因子长期超过阈值SCR自适应因子长期低于阈值SCR实际平均转换效率低SCR实际平均转换效率低于阈值1，排放超5SCR实际平均转换效率低于

55、阈值2，排放超7SCR下游NOx传感器信号峰值检测不可信SCR上下游NOx信号差值高于上限（lam斜率选择，差除比较P1987,P3362）SCR上下游NOx信号差值低于下限（P1987,P3362）SCR下游NOx传感器信号偏差检测不可信SCR上下游NOx信号差值高于上限SCR上下游NOx信号差值低于下限尿素喷射不放行剩余尿素量不够剩余尿素量低于警告限值1剩余尿素量低于警告限值2SCR储氨控制错误SCR尿素回流管不可信SCR尿素喷射压力压降错误SCR尿素喷射压力错误ECU内部温度高于上限上一驾驶循环末SCR未排空SCR尿素计量控制的尿素喷射压力过高SCR尿素计量控制的尿素喷射压力过低SCR尿

56、素泵冻住后尿素喷射压力过高SCR尿素压力建立错误SCR尿素压力降压错误降压后，SCR尿素压力低于限值尿素箱过度加热ECU内部温度不可信SCR上游温度传感器温度信号超过最大值不可信SCR上游温度传感器温度信号低于最小值不可信SCR上游温度传感器温度信号不可信SCR尿素喷嘴堵塞SCR尿素泵反向阀堵塞SCR尿素溶液消耗太多SCR尿素溶液消耗太少SCR系统PUQP功能错误SCR尿素泵加热器不可信SCR尿素泵加热器温度传感器动态不可信SCR尿素泵加热器温度传感器冷起动时不可信SCR尿素泵温度传感器动态不可信SCR尿素泵温度传感器冷起动时不可信SCR尿素箱温度上升错误SCR重起次数超过允许最大值PTO开关

57、CAN信息错误SCR尿素泵加热器温度占空比在错误范围SCR尿素泵加热器温度占空比在无效范围SCR尿素泵温度测量模块失效SCR尿素泵接收的PWM周期在无效范围SCR尿素泵PWM信号错误SCR尿素泵温度占空比在错误范围SCR尿素泵温度占空比在无效范围踏板1电压高于上限踏板2电压高于上限远程踏板1电压高于上限远程踏板2电压高于上限踏板1电压低于下限踏板2电压低于下限远程踏板1电压低于下限远程踏板2电压低于下限尿素液位传感器电压高于上限尿素液位传感器电压低于下限传感器供电1错误传感器供电2错误传感器供电3错误12V传感器供电1太高12V传感器供电1太低内部12V传感器供电太高内部12V传感器供电太低停

58、车计数计时器精确性错误停车指示灯无负载停车指示灯温度过高停车指示灯对电源短路停车指示灯对地短路起动机驱动无负载起动机驱动温度过高起动机继电器对电源短路起动机继电器对地短路诊断灯驱动无负载诊断灯驱动温度过高诊断灯驱动对电源短路诊断灯驱动对地短路故障诊断软件复位0故障诊断软件复位1故障诊断软件复位2踏板1、踏板2之间电压信号偏差太大踏板1、踏板2之间电压信号与低怠速开关不可信远程踏板1、远程踏板2之间电压信号偏差太大T50开关错误空气温度传感器频率信号高于上限空气温度传感器频率信号低于下限空气温度传感器时间信号高于上限空气温度传感器时间信号低于下限中冷后进气温度信号CAN通讯错误中冷后进气温度传感

59、器电压信号高于上限中冷后进气温度传感器电压信号低于下限中冷后进气温度不可信ECU内部温度传感器电压信号高于上限ECU内部温度传感器电压信号低于下限节气门阀电流限制激活节气门阀关闭时电压超限节气门阀开启时电压超限节气门阀电压差值超出范围节气门阀冷启动错误节气门正偏差超过最大值节气门负偏差超过最小值节气门阀堵塞节气门阀堵塞节气门阀关闭状态下长时间松动节气门开启状态下长时间松动节气门阀开路节气门阀过热节气门阀传感器电压高节气门阀传感器电压低节气门阀对电源短路节气门阀对地短路节气门阀关闭状态下短时间松动节气门阀开启状态下短时间松动节气门阀传感器电压高节气门阀传感器电压低节气门阀松动进气阀上游温度传感器

60、电压超过最大值进气阀上游温度传感器电压低于最小值增压器开路增压器超速增压器执行器温度过高增压器对电源短路增压器对地短路SCR催化剂下游温度传感器信号CAN通讯错误SCR催化剂下游温度传感器电压高于上限SCR催化剂下游温度传感器电压低于下限SCR催化剂上游温度传感器信号CAN通讯错误SCR催化剂上游温度传感器电压高于上限SCR催化剂上游温度传感器电压低于下限尿素液位低SCR尿素喷嘴电流超过最大限SCR尿素喷嘴过热SCR尿素喷嘴驱动对电源短路SCR尿素喷嘴驱动高端对电源短路SCR尿素喷嘴驱动对地短路SCR尿素喷嘴驱动高端短路SCR系统上次关闭时未排空尿素管（泵到箱）加热电阻丝反馈不可信尿素管（泵到