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: 136 of 244 Component Details: Air Distribution Button is shown in above image. This button used to change the Mode. 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:- Is DTC B1F4D-23 is Present? Check for Air DistributionRequest functionality. Check the Air DistributionRequest functionalityby pressing Air Distributionbutton 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 B1F4D – 23 is present
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