NEXON 2.0 EV DTC Troubleshooting Document for VCU Version: 1.0 draft Date: 31-Jan-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. DID DID description Value of Parameter 34B5 HV Battery Fault Rank 0 No Fault 1 First Level Fault 2 Second Level Fault 3 Third Level Fault Troubleshooting:- 1. Keep the vehicle in Ignition On Step No. Description Check point If Yes If No 1 Connect service tool to the vehicle Read VECU DTCs if P308468 is present in confirmed state Go to Step 2 - 2 Read BMS DTCs which are in confirmed state Check if there are any BMS DTCs in confirmed or Memorized state Refer BMS DTC Troubleshooting document for details - P3084 – 68 is triggered in VECU when any one or many of following BMS DTCs are triggered. For AIO DTCs, refer the below BMS DTCs P1203-17, P1206-16, P120C-17, P1216-98, P121B-98, P121C-21, P121F-21, P1225-19, P1228-19, P1231-1A, P1236-13, P1238-16, U1301-87, U132D-1C, P3071-73, P3072-73, P3073-73, P307556, P307A-1C, P307B-1C, U132F-87, P307C-87, P307D-87, P307E-86, P307F-56, P30A3-19, P30A5 - 47 For Gen3 DTCs, refer the below DTCS P1203-17, P1206-16, P120C-17, P120F-16, P1216-98, P121B-98, P121C-21, P121F-21, P1225-19, P1228-19, P1231-1A, P1233-17, P1234-16, P1235-13, P1236-13, P1238-16, U1301-87, U132D1C, P3071-1C, P3072-1C, P3073-1C, P3075-1C, P3076-1C, P3077-1C, P3078-1C, P307A-1C, P307B-1C, U132F-1C, P307A-1C, P307B-1C, P307C-1C, P307D-1C, P307E-1C, P307F-1C, P122022*. *Refer BMS DTC Troubleshooting document for details. Circuit schematic diagram: NA
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