TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 73 of 1106 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. Trouble Shooting:- Yes Voltage fluctuates between 0V and 14V? A Disconnect BCM ECU power supply connector. Check voltage b/w pin 1& 2. (Refer Connector View & Information) No Yes Is DTC Present? No Stop 1. Connect the TML Diagnostic Tool. 2. Turn the Ignition ON 3. Check the status of DTC’s (Memorized/Current) 4. Record the DTC & Clear 5. Turn Ignition OFF & ON. 6. Read ECU parameters 7007(Control Module Input Power “A”) using diagnostic tool Range: 9 to 16 V. 7. Verify If DTC U1008 – 16 is present Replace wiring harness (Vehicle side) Check resistance between vehicle ground and ground at the power supply connector. Resistance < 1 Ω? No Yes