TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 500 of 584 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. U0127 - 08 :- Lost of communication with Lost Communication With Tire Pressure Monitor Module failure Overview: Code U0127-08 Customer Symptom TPMS alerts shall be deactivated Fault Effects (On Vehicle) TPMS alerts will not show TPMS current status Lamp Status (If Any) NA Fault Detection Condition 1. TPMS connector is not connected properly or disconnected from its location. 2. CAN wire from TPMS connector side are disconnected 3. TPMS IGN & Battery fuse blown. 4. CAN_H, CAN_L or/ and both lines of TPMS are open circuit Normal Operating Condition IPC ECU communicates properly with TPMS Probable Trouble Area 1. TPMS connector / TPMS fuse. 2. CAN lines of TPMS, Healing Condition 1. TPMS ECU is connected and no wiring harness issues from TPMS side 2. CAN_H, CAN_L or/ and both lines of TPMS are connected properly Troubleshooting Flowchart: (Pin details ref: attached ECU schematics) NA Connector Details: NA Pin details:
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