DTC Types can include P-codes, C-codes, B-codes, and U-codes, each indicating a different type of issue within a vehicle’s electronic control system. DTC Format can vary depending on the standard or regulation, such as SAE J2012 or ISO 14229-1, that is being used for the vehicle’s electronic control system.

2025年1月26日 · DTCs, short for Diagnostic Trouble Codes, are alphanumeric codes generated by a vehicle’s onboard diagnostics (OBD) system. These codes are standardized under the …

UDS DTC（ISO 14229） 使用三个字节，两个最高有效字节（DTC High Byte 和 DTC Middle Byte）根据实施的诊断协议指定的DTC Format Identifier = 0x01或0x04进行解码；最低有效字节（DTC Low Byte）根据SAE J2012-DA Failure Type Byte (FTB) 表进行解码。

DTC， Diagnostic Trouble Code，诊断故障码，即 故障类型的 ID。 在ISO4229当中，一个完整的 DTC码有 3个 Byte，包含2个Byte的故障内码（5位标准故障码） + 1个Byte的故障类型，而一个DTC故障码又对应唯一的一个DTC 状态码，所以说故障信息码的格式由四个字节组成。

2024年10月15日 · DTC codes are put into two categories: generic and manufacturer-specific. These codes are common across different vehicle makes and models. They provide a general indication of the problem, such as a misfire or sensor malfunction. Generic codes are further divided into two: OBD-II codes: These are used in light and medium-duty vehicles.

DTC codes are standardized codes used to diagnose issues with a vehicle’s engine and powertrain. Each code is made up of 5 digits, with the first digit indicating the type of code, the second and third digits indicating the system or component related to the code, and the last two digits indicating the specific problem within that system or ...

2013年3月5日 · Clear the MIL and the DTC with a scan tool. The control module stores the DTC information into memory when the diagnostic runs and fails. The MIL will not illuminate. The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Failure Records.

DTC 故障类型由 16 个不同的故障类别组成，其中每个类别与 16 个子类型故障相关联。 子类型故障按逻辑分组在 DTC 故障类型类别中。 这将简化为 DTC 选择适当的子类型故障。 DTC 故障类别编码在“ DTC Failure Type Byte ”的高半字节中，故障子类型编码在“ DTC Failure Type Byte ”的低半字节中。 如果已经为 组件 /系统定义了标准 DTC，并且该 DTC 描述已经包含 DTC 故障类型信息，则可以使用标准 DTC 编号，并且 DTC 故障类型字节应设置为值 00 hex。 DTC 故障类型 …

DTCs (Diagnostic Trouble Codes) are codes used to identify and diagnose problems in vehicles. They are classified into four main categories, corresponding to different vehicle systems. In …

2024年2月22日 · Diagnostic Trouble Codes (DTCs) are vital indicators of potential issues within a vehicle. These codes are generated by the onboard diagnostics system and provide valuable …