Part Replacement strategy IVI IC SVS Reflashing and Replacement spec Version: 0.7 Draft Released On: June 21, 2023 Copyright © Tata Motors Ltd. Page 28 of 34 03 First time sync failed Step 46. Read DID - Read Device Management State Operations Diagnostic Request Diagnostic Response Read Device Management State 22 48 4E 62 48 4E “Value” Below is the possible DID response values Value Value description 00 Factory 01 Registered 02 Provisioned 03 Authorized 04 Retired Step 47. Wait till HU boots up completely Step 48. Perform Clear DTC’s Step 49. Perform power latch Step 50. Read DTC’s Step 51. Perform SVS calibration Refer section 4.3 for SVS calibration steps Step 52. Rectification in case device management state/Status is mismatched (TBA) Step 53. Disconnect Service tool 4.2 Other ECU’s dependency and Exceptions 4.2.1 If BCM ECU is replaced Ensure right VIN is configured in BCM. If BCM and HU has different, then HU might will display VIN mismatch error.
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