Vehicle Platform: OSPREY / AMP ECU Name: PEPS DTC Troubleshooting Data Version: 1.2 Date: 29 Mar 2017 Author: Rajasekhara Reddy Page: 315 of 369 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. 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 Fault Detection Condition PEPS connector is not connected properly or disconnected from its location. CAN Stub wire from PEPS connector side is disconnected. Normal Operating Condition PEPS ECU communicates properly with TML diagnostic Tool. Probable Trouble Area Disconnection of the PEPS connector Healing Condition To fix the PEPS connector correctly and Fix the wiring harness issues from IPC side. Table 66:- U0028 -13 overview details
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