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. P3032 - 12: - Traction cooling slow fan relay activation line - circuit short to battery .......................... 301 P3032 - 11: - Traction cooling slow fan relay activation line - circuit short to ground .......................... 304 P3033 - 94: - Traction Cooling Pump dry run detected - unexpected operation ................................... 307 P3033 - 19: - Traction Cooling Pump - circuit current above threshold ................................................. 313 P3033 - 98: - Traction Cooling Pump - component or system over temperature .................................. 319 P3033 - 07: - Traction Cooling Pump - Mechanical Failures .................................................................... 325 P3033 - 04: - Traction Cooling Pump - System Internal Failures ............................................................. 331 P3033 – 86: - Traction Cooling Pump - signal invalid .............................................................................. 336 P3033 – 13: - Traction Cooling Pump - circuit open ................................................................................ 341 P3033 – 12: - Traction Cooling Pump - circuit short to battery .............................................................. 346 P3033 – 11: - Traction Cooling Pump - circuit short to ground ............................................................... 351 P3034 – 13: - E-Drive ignition activation line - circuit open .................................................................... 356 P3034 – 12: - E-Drive ignition activation line - circuit short to battery .................................................. 360 P3034 – 11: - E-Drive ignition activation line - circuit short to ground .................................................. 364 P3036 - 13: - Power Train Main Relay activation line - circuit open ....................................................... 368 P3036 - 12: - Power Train Main Relay activation line - circuit short to battery ..................................... 372 P3036 - 11: - Power Train Main Relay activation line - circuit short to ground ..................................... 376 P3037 - 13: - E-Drive power supply relay activation line - circuit open .................................................. 380 P3037 - 12: - E-Drive power supply relay activation line - circuit short to battery ................................ 384 P3037 - 11: - E-Drive power supply relay activation line - circuit short to ground ................................ 388 P3038 - 13: - HV Battery key on activation line - circuit open ................................................................ 392 P3038 - 12: - HV Battery key on activation line - circuit short to battery .............................................. 397 P3038 – 11: - HV Battery key on activation line - circuit short to ground .............................................. 401 P3047 - 09: - MCU contactor weld - Component Failures ....................................................................... 406 P304A - 09: - HV Supply not available at E compressor- Component Failures ....................................... 412 P304B - 09: - HV fuse of MCU -Component Failures ............................................................................... 416 P2322 - 00: - VCU CAN Internal Error - no sub type information ............................................................ 420 P2401 - 05: - VCU Internal Error - System Programming Failures ........................................................... 423 P2402 - 05: - VCU Internal Error - System Programming Failures ........................................................... 426 P2403 - 00: - VCU Internal Error - no sub type information .................................................................... 429 P2403 - 92: - VCU Internal Error - performance or incorrect operation ................................................. 432 P2405 - 71: - VCU Internal Error - actuator stuck .................................................................................... 436 P2406 - 82: - VCU Internal Error - alive / sequence counter incorrect / not updated ........................... 439
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