Q501 4 Cylinder MT Application DTC Troubleshooting Data Version: 0.1 Date: 21-Sep-2018 Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta Checked By: Yogesh Jadhav Approved By: Satish Kumar P Page: 1006 of 1052 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. P1C13 - 41: Node Message Counter faulty Overview: DTC Description as per ISO standard Node Message Counter faulty ECU Pin Number - Customer Symptom During ABS torque related functions, EMS ECU will not support torque request from ABS ECU Fault Effects (On Vehicle) During ABS torque related functions, EMS ECU will not support torque request from ABS ECU Lamp Status (If Any) CE lamp is ON Fault Detection Condition (Root cause) When Engine Speed data is corrupted during communication. Any of the the selected frames from Ipc node is having Rolling counter Error Normal Operating Condition ECM ECU sends correct data in normal condition. Probable Trouble Area Electromagnetic interference, high frequency noise. Healing Condition Moving away of vehicle from electromagnetic interference and high frequency noise Component Details: NA Preliminary Checks: • Check whether the customer voice / view about the issue is matching with the fault effects mentioned above. If yes,go ahead with next steps. If not, check for other DTC’s presence. • Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to earlier issue closure. Trouble Shooting: Step Checks IF YES IF NO 1. Connect the diagnostic tool and Read DTC. Is P1C11 DTC in current state? Replace the ABS ECU Clear DTC 2. If fault still persists Replace EMS ecu Repeat above procedure for reconfirmation DTC’s confirmation: After rectification, ensure the following points using TML diagnostic tool before handing over to customer. a) DTC should not be in current state.
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