TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 5 of 584 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. B1C20-13: IVI Hardware Steering Wheel Control Input Signal - circuit open ......................................................169 B1C20-2A: IVI Hardware Steering Wheel Control Input Signal-signal stuck in range ..........................................175 B1C04-11: GPS Signal-circuit short to ground ...................................................................................................... 180 B1C04-12: GPS Signal-circuit short to battery...................................................................................................... 185 B1C04-13: GPS Signal-circuit open ....................................................................................................................... 190 B1C59-11:AM/FM/DRM/DAB Antenna signal-circuit short to ground ................................................................195 B1C59-12:AM/FM/DRM/DAB Antenna signal-circuit short to battery ................................................................200 B1C59-13:AM/FM/DRM/DAB Antenna signal-circuit open ................................................................................. 205 B1C5E-11: RVC/DMS Camera Output Power-circuit short to ground ..................................................................210 B1C5E-12: RVC/DMS Camera Output Power-circuit short to battery..................................................................214 B1C5E-13: RVC/DMS Camera Output Power-circuit open ................................................................................... 218 B1C60-13: TCM USB connector-circuit open........................................................................................................ 222 B1C4B-13: IVI Display LVDS connector-circuit open ............................................................................................ 226 B1C52-13: IC Display LVDS connector-circuit open.............................................................................................. 231 U0140-08: Lost Communication With Body Control Module-Bus Signal/Message Failures................................235 U0164-08: Lost Communication with HVAC Control Module-Bus Signal/Message Failures ...............................240 U0155-08: Lost Communication with Instrument Panel Cluster (IPC) Control Module - Bus Signal / Message Failure ................................................................................................................................................................... 244 U0159-08: Lost Communication with Parking Assist Control Module "A" - Bus Signal / Message Failures ........249 U045A-81: Invalid Data Received from Parking Assist Control Module "A" - invalid serial data received ..........254 B1C47-55: System Customization Data not received from PDC-not configured .................................................257 B1C48-55: System Customization Data not received from HVAC CM-not configured. .......................................260 B1C49-55: System Customization Data not received from BCM-not configured. ...............................................263 U0028-13: Vehicle Communication Bus A - open circuit ..................................................................................... 266 U0028-88: Vehicle Communication Bus A - Bus off ............................................................................................. 268 B1C6A-55: TCM-HU TLS certificate-not configured.............................................................................................. 270 B1C6A-56: TCM-HU TLS certificate-Invalid/incomplete configuration ................................................................ 272 B1C6B-55: HU TML cloud TLS certificate-not configured..................................................................................... 274 B1C4E-13: Right Rear Tweeter Assembly Output Power / Right Rear Tweeter Assembly Input Signal...............276 B1C51-13: Left Rear Tweeter Assembly Output Power / Left Rear Tweeter Assembly Input Signal...................281
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