Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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. Author: ERC Page: 208 of 301 Trouble Shooting:- Voltage fluctuates between 0V and V? 14 A Yes Disconnect FATC ECU power supply connector. Check voltage b/w pin 16 & pin 1. ) Refer Connector View & Information ( No Is DTC Present? Yes 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 . Verif y If DTC U3006 – 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 ToCheck Continuity
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