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DTCM码诊断仪普通诊断读出普通故障码DTCO码诊断仪OBD诊断读出OBD故障代码DTCB码故障灯(SVS)灯（注意不是OBD灯！）输出闪码SPN和FMI码匹配CAN仪表的车，CAN仪表上显示的故障码下表为目前我厂BOSCH系统国IV机型最新四套码，包括大车、小车、EGR系统、和SCR系统（注意不包括DCU！）P903SCRV720相对P903SCR762共有的DFES_DTCM.DFC_AFSBattErr_C电池电压超出HFM（进气流量传感器）正常工作范围P0001P010011132234DFES_DTCM.DFC_AFSDrftAdjPlausMax_C进气流量传感器偏移调节过大P0002P0101151694234DFES_DTCM.DFC_AFSDrftAdjPlausNPL_C进气流量传感器偏移调节不合理P0003P0101171694234DFES_DTCM.DFC_AFSDrftIdlAdjVal_C进气流量传感器怠速调节不合理P0004P0101161694234DFES_DTCM.DFC_AFSDrftLdAdjVal_C进气流量传感器带负载调节不合理P0005P0101181694234DFES_DTCM.DFC_AFSSetyDrftMax_C进气流量传感器信号偏高的可信性故障P0006P010101694234DFES_DTCM.DFC_AFSSetyDrftMin_C进气流量传感器信号偏低的可信性故障P0007P010111694234DFES_DTCM.DFC_AFSSigErr_C空气流量计（进气流量传感器）信号错误P0008P01032132234DFES_DTCM.DFC_AFSSRCRawMax_C空气流量计（进气流量传感器）信号高于上限P0009P01033132234DFES_DTCM.DFC_AFSSRCRawMin_C空气流量计（进气流量传感器）信号低于下限P000AP01024132234DFES_DTCM.DFC_AirCCmprOL_C空调压缩机(开关型)控制驱动电路开路P000BP064551351313DFES_DTCM.DFC_AirCCmprOvrTemp_C空调压缩机(开关型)控制驱动芯片过热P000CP064561351313DFES_DTCM.DFC_AirCCmprRedTrqOL_C空调压缩机(PWM型)驱动电路开路P000DP064552978313DFES_DTCM.DFC_AirCCmprRedTrqOvrTemp_C空调压缩机(PWM型)驱动芯片过热P000EP064562978313DFES_DTCM.DFC_AirCCmprRedTrqSCB_C空调压缩机(PWM型)驱动电路对电源正极短路P000FP064732978313DFES_DTCM.DFC_AirCCmprRedTrqSCG_C空调压缩机(PWM型)驱动电路对地短路P0010P064642978313DFES_DTCM.DFC_AirCCmprSCB_C空调压缩机(开关型)控制驱动电路对电源正极短路P0011P064731351313DFES_DTCM.DFC_AirCCmprSCG_C空调压缩机(开关型)控制驱动电路对地短路P0012P064641351313DFES_DTCM.DFC_AirCSwtNpl_C来自CAN总线的空调开关信号不可信P0013U042414985314DFES_DTCM.DFC_AirCSwtSig_C来自CAN总线的空调开关信号故障P0014U046619985314DFES_DTCM.DFC_AirCtlGovDvtEOMMax_CDPF再生模式下实际进气量低于新鲜空气设定量P0015P0101151241281DFES_DTCM.DFC_AirCtlGovDvtEOMMin_CDPF再生模式下实际进气量高于新鲜空气设定量P0016P0101171241281DFES_DTCM.DFC_AirCtlGovDvtMax_C实际进气量低于新鲜空气设定量P0017P040201241281DFES_DTCM.DFC_AirCtlGovDvtMin_C实际进气量高于新鲜空气设定量P0018P040111241281DFES_DTCM.DFC_AirCtlRmpTOut_C偏移速率超限（进气流量相关故障）P0019P0100111241281DFES_DTCM.DFC_AirHt_TstOffHi_COFF状态的加热测试压降过高(空气加热)P001AP2609162898323DFES_DTCM.DFC_AirHt_TstOffLo_COFF状态的加热测试压降过低(空气加热)P001BP2609182898323DTCM码故障名DTCO码故障说明具体故障说明空气加热相关故进气流量传感器相关故障空调压缩机相关故障空调开关进气流量相关故障FMI码SPN码DTCB码DFES_DTCM.DFC_AirHt_TstOnHi_CON状态的加热测试压降过高(空气加热)P001CP2609152898323DFES_DTCM.DFC_AirHt_TstOnLo_CON状态的加热测试压降过低(空气加热)P001DP2609172898323DFES_DTCM.DFC_AirHtStickOn_C进气加热控制开关常闭合(空气加热)P001EP260972898322DFES_DTCM.DFC_AirTMonPlaus_0_C用于空气加热测试用的进气温度传感故障P001FP10002520195481DFES_DTCM.DFC_AirTMonPlaus_1_C用于空气加热测试用的进气温度传感故障P0020P10012520254481DFES_DTCM.DFC_AirTMonPlaus_2_C用于空气加热测试用的进气温度传感故障P0021P10022520255481DFES_DTCM.DFC_AirTMonPlaus_3_C用于空气加热测试用的进气温度传感故障P0022P10032520256481DFES_DTCM.DFC_AirTMonPlaus_4_C用于空气加热测试用的进气温度传感故障P0023P10042520257481DFES_DTCM.DFC_AirTMonPlausTot_C用于空气加热测试用的进气温度传感故障P0024P10052520258481DFES_DTCM.DFC_ARlySCB_0_CECU内部继电器0短路到电源P0025P065933597114DFES_DTCM.DFC_ARlySCB_1_CECU内部继电器1短路到电源P0026P267133598115DFES_DTCM.DFC_ARlySCB_2_CECU内部继电器2短路到电源P0027P268633599116DFES_DTCM.DFC_ARlySCG_0_CECU内部继电器0短路到地P0028P065843597114DFES_DTCM.DFC_ARlySCG_1_CECU内部继电器1短路到地P0029P267043598115DFES_DTCM.DFC_ARlySCG_2_CECU内部继电器2短路到地P002AP268543599116DFES_DTCM.DFC_BattUHi_C电源电压高P002BP05633167124DFES_DTCM.DFC_BattULo_C电源电压低P002CP05624167124DFES_DTCM.DFC_BattUSRCMax_C电池电压传感器信号高于上限P002DP05633168124DFES_DTCM.DFC_BattUSRCMin_C电池电压传感器信号低于下限P002EP05624168124DFES_DTCM.DFC_BrkNpl_C刹车信号不可信或信号线断路P002FP05042597223DFES_DTCM.DFC_BrkSig_C来自CAN的刹车信号故障P0030P057119597223DFES_DTCM.DFC_BusDiagBusOffErrPasNodeA_CCAN的A节点故障（CAN总线0通讯故障）P0031U007314522000411DFES_DTCM.DFC_BusDiagBusOffErrPasNodeB_CCAN的B节点故障（CAN总线1通讯故障）P0032U007314522001412DFES_DTCM.DFC_BusDiagBusOffErrPasNodeC_CCAN的C节点故障P0033U007314522002413DFES_DTCM.DFC_BusDiagBusOffErrPasNodeD_CCAN的D节点故障P0034U007314522003413DFES_DTCM.DFC_BusDiagBusOffNodeA_CCAN的A节点故障（CAN总线0通讯故障）P0035U007312522000411DFES_DTCM.DFC_BusDiagBusOffNodeB_CCAN的B节点故障（CAN总线1通讯故障）P0036U007312522001412DFES_DTCM.DFC_BusDiagBusOffNodeC_CCAN的C节点故障P0037U007312522002413DFES_DTCM.DFC_BusDiagBusOffNodeD_CCAN的D节点故障P0038U007312522003413DFES_DTCM.DFC_CEngDsTAbsTst_C水温绝对值合理性检测报错P0039P011617110242DFES_DTCM.DFC_CEngDsTDynTst_C水温动态值合理性检测报错P003AP011618110242DFES_DTCM.DFC_CEngDsTSig_C来自CAN的水温传感器信号故障P003BU011619110241DFES_DTCM.DFC_CEngDsTSRCMax_C水温传感器电压信号超上限P003CP01183110241DFES_DTCM.DFC_CEngDsTSRCMin_C水温传感器电压信号低于下限P003DP01174110241DFES_DTCM.DFC_CEngDsTVDPlaus_C水温传感器不可信P003EP01162110242DFES_DTCM.DFC_ClthNpl_C离合信号不可信或信号线断路P003FP07042598222DFES_DTCM.DFC_ClthSig_C来自CAN的离合信号故障P0040U140019598222DFES_DTCM.DFC_CoETSBstPrtTrqLim_C扭矩限制是由于增压器保护P0041P103814520269521DFES_DTCM.DFC_CoETSEngPrtTrqLim_C扭矩限制是由于发动机保护P0042P103914520270522DFES_DTCM.DFC_CoETSInjSysTrqLim_C扭矩限制是由于喷射系统P0043P104014520271523DFES_DTCM.DFC_CoETSLimInfo_C扭矩限制是由于信息系统P0044P100611520197524刹车故障用于空气加热测试用的进气温度传感故障CAN通讯的节点故障（A节点用）水温传感器电路离合器故障空气加热相关故障执行继电器故障系统电源故障扭矩结构故障DFES_DTCM.DFC_CoETSNTCTrqLim_C扭矩限制是由于发动机制动P0045P104114520272534DFES_DTCM.DFC_CoETSPDiffTrqLim_C扭矩限制是由于颗粒过滤系统P0046P104214520273533DFES_DTCM.DFC_CoETSPrfmLimTrqLim_C扭矩限制是由于性能限制P0047P104314520274532DFES_DTCM.DFC_CoETSSmkTrqLim_C扭矩限制是由于烟度限制P0048P104414520275531DFES_DTCM.DFC_ComACKTO_CACK超时故障ACK报文超时故障P0049U010019522004413DFES_