Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 333 of 407 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. N.A Connector View & Information:- N.A Inspection Method:- NA IVN DTCs Preliminary Check 1. Check resistance in Diagnostic CAN pin no. 6 and 14. It should be 120ohm. 2. Check for short conditions between CAN_H-CAN_L, CAN_H-GND, CAN_L-GND, CAN_H-Vbatt and CAN_L-GND. There should not be any short circuit conditions. 3. Check continuity between IPC CAN_H (pin no. 15) vehicle side connector to OBD connector CAN_H (pin no. 6) and CAN_L (pin no. 14) vehicle side connector to ODB connector (pin no.14). 4. Turn ignition ON and Read IVN DTCs in IPC. U0028-13:-Vehicle Communication Bus A-open circuit Overview:- ISO Code U0028-13 Customer Symptom Vehicle cranking will not happen. Fault Effects (On Vehicle) Vehicle cranking will not happen. Lamp Status (If Any) N.A
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