Diagnostic Communication Manager | DCM | AUTOSAR | UDS | ISO14229 | AUTOMOTIVE

Diagnostic request handling is performed by DCM module of AUTOSAR. DCM Validates incoming request , And process valid\invalid request (if request is valid and send positive response or if request is invalid send Negative response)

DCM Check security Level and Session Access.
Check Service is supported or not
Validate Length

DCM SUB PARTS :
1.Diagnostic session layer (DSL)
2.Diagnostic Service dispatcher (dsd)
3. Diagnostic service processor (dsp)

[msrini]

Very well explained Bro, please upload more videos

[varunpv]

what is meant by implement concurrent tester present logic ?

[chanducomm]

Good explanation. Are you sure DSD layer will perform the security and session check?

[neshanthpg]

Please explain about all other services and NVM..

[valagondarajasekar]

In DSL layer diagnostic request is not going to dsp??

[praveenkulkarni]

Diagnostic session manager and Diagnostic Communication manager both are same?

[pranesh]

Your explanation on each sub module is bit confusing. Not able to understand it clearly. If possible kindly make a new video with proper clear explanations. Thanks.