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: 69 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. P1C10-41: BRAKE1 CRC check Overview: DTC Description (User Friendly) BRAKE1 CRC check 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. MIL OFF Fault Detection Condition (Root cause) When Engine Torque Request data is corrupted during Communication. 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: An anti-lock braking system (ABS) is a safety anti-skid braking system. ABS operates by preventing the wheels from locking up during braking, thereby maintaining tractive contact with the road surface. Preliminary Checks: 1. Check whether the customer voice / view about the issue is matching with the fault effects mentioned in above Table. If yes, go ahead with next steps. If not, check for other DTC’s presence. 2. Check whether other customers report similar complaints earlier. If yes, perform the preliminary checks with respect to earlier issue closure. 3. Check for Damage in EMS ECU connector / ABS Connector. 4. Check for any back out of pins at EMS ECU connector / ABS Connector. 5. Check for any damage of pins at EMS ECU connector / ABS Connector. Trouble Shooting:
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