X104 CNG (Nexon) 4” Instrument Cluster DTC Troubleshooting Data Version: 2.0 Date: 19-August-24 Author: Suraj Shivsharan Page: 44 of 160 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:- 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 B191C -11 is present Is DTC B191C-11 is Present? Check for continuity between Pin No.J1-10(GND) & J1-3 of ECU Connector. Is Continuity Present? VSS Power supply output is Short Circuit to Ground. Rectify Fault at wiring Harness to recover from the fault. Clear the DTC & verify the function of speedometer gauge. Clear the DTC from the ECU memory. Turn Ignition OFF & ON. Check the function of speedometer gauge. Stop Stop YES NO YES NO Stop
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