Gravitas/SAFARI/X451/NEXON FATC DTC Troubleshooting Data Version: 1.1 Date: 28-Apr-2021 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: 143 of 244 Trouble Shooting:- Is DTC Present? Check for Driver side Air Temperature Down Button Request functionality. Check the Driver side Air Temperature functionality by pressing Driver side Air Temperature Down Button Is Driver side Air Temperature Up Button stucked? Check and lubricate switch if still the Driver side Air Temperature Down button is stuck then replace control panel. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. Check the temperature changing by pressing Driver side Air Temperature Down Button 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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