Q5/X451 FATC DTC Troubleshooting Data Version: 1.0 Date: 16-Oct-2018 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: 120 of 202 Trouble Shooting:- Is DTC B1F33-23 is Present? Check for Auto Request Button functionality. Check the Auto functionality by pressing Auto button Is Auto button stucked? Check and lubricate switch if still the Auto button is stucked then replace control panel. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. Check the Auto functionality by pressing Auto 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 B1F33– 23 is present
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