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: 166 of 301 Trouble Shooting:- Is DTC Present? Check for Co-Driver side Air Temperature Up Button Request functionality. Check the Co-Driver side Air Temperature functionality by pressing Co-Driver side Air Temperature Up Button Is Co-Driver side Air Temperature Up Button stucked? Check and lubricate switch if still the CoDriver side Air Temperature Up Button is stuck then replace control panel. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. Check the temperature changing by pressing Co-Driver side Air Temperature Up Button Stop Stop YES NO YES NO Turn ON Ignition. Connect the TML Diagnostic Tool. Check the status of DTC’s (Memorized/Current) Record the DTC & Clear DTC’s Turn Ignition OFF & ON Verify If DTC is present
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