Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.8 Date: 17-10-2022 Author: BCM COC Page: 9 of 1202 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. Lock Control DTCs ........................................................................................................................................................... 388 B1301 - 11: Driver Door Ajar Switch - Circuit Short to Ground ................................................................................. 388 B1301 - 12: Driver Door Ajar Switch - Circuit short to Battery .................................................................................. 391 B1308 - 11: Passenger Door Ajar Switch - Circuit Short to Ground ......................................................................... 394 B1308 - 12: Passenger Door Ajar Switch - Circuit short to Battery .......................................................................... 397 B1306 - 11: Left Rear Door Ajar Switch - Circuit Short to Ground ........................................................................... 400 B1306 - 12: Left Rear Door Ajar Switch - Circuit short to Battery ............................................................................. 403 B130D - 11: Right Rear Door Ajar Switch - Circuit Short to Ground ........................................................................ 406 B130D - 12: Right Rear Door Ajar Switch - Circuit short to Battery ......................................................................... 409 B1620 - 11: Other Doors Switch - Circuit Short to Ground ........................................................................................ 412 B1620 - 12: Other Doors Switch - Circuit short to Battery ......................................................................................... 415 B162C - 11: Tailgate State Switch - Circuit Short to Ground .................................................................................... 418 B162C - 12: Tailgate State Switch - Circuit short to Battery ...................................................................................... 421 B1602 - 11: Cabin Global Closing Signal - Circuit Short to Ground ......................................................................... 424 B160F - 11: Driver Door Lock Signal - Circuit Short to Ground ................................................................................ 428 B160F - 12: Driver Door Lock Signal - Circuit short to Battery ................................................................................. 431 B1610 - 11: Driver Door Unlock Signal - Circuit Short to Ground ............................................................................. 434 B1610 - 12: Driver Door Unlock Signal - Circuit short to Battery .............................................................................. 437 B1630 - 62: Driver Door Lock/Unlock Signal - Signal Compare Failure .................................................................. 440 B2501- 12: Horn Relay - Circuit short to Battery ......................................................................................................... 445 B1609 - 14: Door Lock Relay - Circuit Short to Ground or Open ............................................................................. 449 B1609 - 12: Door Lock Relay - Circuit Short to Battery .............................................................................................. 453 B160A - 12: Door Second Stage UnLock/ Door UnLock control others Relay - Circuit Short to Battery ........... 457 B160B– 12: Door Unlock Control Driver Relay/Tailgate Unlock Control Relay– circuit short to battery ............ 461 B160B– 14: Door Unlock Control Driver Relay/Tailgate Unlock Control Relay– Short to Ground or Open ....... 465 B160E - 62: Mechanical Key Set/Reset Signal - Signal Compare Failure .............................................................. 469 B1618 - 11: Infotainment Removal Signal - Circuit Short to Ground ....................................................................... 474 B1618 - 15: Infotainment Removal Signal - Circuit short to Battery or Open Circuit ............................................. 478 B1619 - 23: Internal Lock Switch - signal stuck low .................................................................................................... 482
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