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: 161 of 244 Normal Operating Condition Rear Defog push button shall be used to manually switch ON/OFF the rear defog heater grids on the rear window. Probable Trouble Area Mode switch component failure. Healing Condition NA Component Details: Rear Defog switch Button is shown in above image. The user shall be used to manually switch ON/OFF the rear defog heater grids on the rear window. Preliminary Checks: Switch On the IGN & perform the following check. 1) Connect the Diagnostics tool & check the DTC fault code 2) If the fault code exists, refer the corrective actions Trouble Shooting:- YES 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 B1F38 – 23 is present
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