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Service Identifier (SID) Liste
Service ID | Service Name |
---|---|
0x10 | Diagnostic Session Control |
0x11 | ECU Reset |
0x14 | Clear Diagnostic Information |
0x19 | Read DTC Information |
0x22 | Read Data By Identifier |
0x23 | Read Memory By Address |
0x27 | Security Access |
0x28 | Communication Control |
0x2A | Read Data by Periodic ID |
0x2E | Write Data By Identifier |
0x2F | Input Output Control By Identifier |
0x31 | Routine Control |
0x34 | Request Download |
0x35 | Request Upload |
0x36 | Transfer Data |
0x37 | Transfer Exit |
0x3D | Write Memory By Address |
0x3E | Tester Present |
0x85 | Control DTC Setting |
0x22 ReadDataByIdentifier
With this service it is possible to retrieve one or more values of a control unit. This can be information of all kinds and of different lengths such as Partnumber or the software version. Dynamic values such as the current state of the sensor can be queried. Each value is associated to a Data Identifier (DID) between 0 and 65535. Normal CAN signals are meant for information that some ECU uses in its functionality. DID data is sent on request only, and is for information that no ECU uses, but a service tool or a software tester can benefit from.