Nexon_MCE2_7inch_Digital Instrument Cluster_DTC Trouble Shooting Data Version: 1.0 Date: 09-May-2023 Author: Suraj Patil / Rajesh Patil Page: 30 of 167 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. Trouble Shooting: - 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 B1948 - 11 is present Is DTC B1948 -11 is Present? Check for continuity between Pin No.J1-4 (Batt.GND) & J111 (FLS input) of ECU side. Connector. Is Continuity Present? FLS input is Short Circuit to Ground. Rectify Fault at wiring Harness & wait for 20sec to recover the fault. Clear the DTC & In low-end variant vehicle check the function of Fuel Bars change on LCD display. & In high-end variant vehicle check the change in fuel level in Fuel bars. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. In low-end variant check the function of Fuel level change on LCD display. & In high-end variant check the change of fuel level in Fuel bars. Stop Stop Stop
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