Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 620 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent 2.Preliminary Check 1. Check ECM is communicating with TML diagnostic tool or not. 2. If NO, then check for continuity in the vehicle ODB connector pin no. 8 & 9 and EMS side vehicle wiring harness connector CAN_H (pin B81) and CAN_L ( pin B80). 3. There should be continuity between below pins in the vehicle side wiring harness. IPC CAN_H (pin. 6) to ECM CAN_H (Pin B81) and IPC CAN_L (pin. 5) to ECM CAN_L (Pin B80) 4. Read IVN DTCs in ECM in IGN ON condition with TML diagnostic tool.
RkJQdWJsaXNoZXIy MTIwNTUz