DTC Troubleshooting Master Document for BMS Version: 1.0 Date: 30th Nov 2022 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. P30A5 - 47 :- BMS Hardware Chip fault ..................................................................... 76 P30A6 - 44 :- BMS Internal memory read/write fail ................................................... 77 P30A7 - 44 :- BMS External memory read/write fail.................................................. 78 P30A8 - 08 :- BMS High Voltage Sensor failure ........................................................ 79 P30A9 - 21 :- BMS SoH Low fault ............................................................................... 80 P30B9 - 13 :- BMS HW Crash Line is Open - Circuit Open....................................... 81 P30BA - 68 :- BMS HW Condition meets the Crash - Event Information ................ 82 P30BC - 13:- BMS Fast Charging Positive Contactor weld third level fault - circuit open.............................................................................................................................. 83 P30BD - 13:- BMS Fast Charging Negative weld third level fault - circuit open .... 84 P30BE - 09 :- BMS Fast Charging Positive Relay HW third level fault - Component Failures ........................................................................................................................ 85 P30BF - 09 :- BMS Fast Charging Negative Relay HW third level fault - Component Failures ........................................................................................................................ 86 P30C0 - 61:- VCU CRC failure - signal calculation failure........................................ 87 P30C1 - 13:- Low Voltage MSD Fault - circuit open.................................................. 88 P30C3 - 68 :- BMS thermal runway fault - Event Information .................................. 89 P30C4 - 87 :- Smoke Sensor CAN loss – missing message .................................... 90 P30C5 - 86 :- Smoke sensor HW fault – signal invalid ............................................. 91 P30C6 - 61 :- Smoke Sensor CRC failure – signal calculation failure..................... 92 APPENDIX-A: COMPONENT DETAILS AND INFORMATION ................................... 93 APPENDIX-B: HV MSD DISCONNECTION PROCEDURE ......................................... 95 APPENDIX-C: TOOL CONNECTION AND COMMUNICATION .................................. 97
RkJQdWJsaXNoZXIy MTIwNTUz