ETC Replacement Procedure TITLE : ETC Replacement Procedure Doc No: 2921 02 217 A1198 Date: 13th July 23 Revision: 1.0 Page: 8 of 9 Prepared : Shreyank Checked: Dattatray Approved: Anand Sikchi This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD. SNO DID DID Name as per HVAC CM_Specific_Diag Specification_Service DID Name as per PLM Server 1 7234 ECU Assembly Number CCM ECU Assembly Number CCM 2 F187 Vehicle Manufacturer Spare Part Number CCM Vehicle Manufacturer Spare Part Number CCM 14 F188 Vehicle Manufacturer ECU Software Number CCM Vehicle Manufacturer ECU Software Number CCM *NOTE: Only the Hardware number to be considered , Revision should not be considered for comparison 9. Do the Diagnostics process a. Read VIN from Vehicle (22 f1 90) b. Write VIN in FATC (2E F1 90 11 11 11 11 11 22 22 22 22 22 33 33 33 33 33 44 44 00 00 00 00 00 00 00) c. Read VIN in FATC (22 F1 90) If mismatch with DID no in step 12 then flash the ECU with the new Software and repeat step 8 onwards i.e. On re-flashing, the ECU replacement procedure should be executed again. 15. Read upgraded software version against server as per point 12. Display result of the comparison on reading the below values from the upgraded ECU & comparing them against the server :- DID DID Name as per HVAC CM_Specific_Diag Specification_Service DID Name as per PLM Server F195 System Supplier ECU Software Version Number System Supplier ECU Software Number
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