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TML Infotainment DTC Troubleshooting guide for Osprey
Version: 0.2
Date: 21-Mar-17
Author:
Vijaya Bhaskar
B/Hemant Mitra
Page: 58 of 63
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.
U0028-13:- Vehicle Communication Bus A - open circuit
Overview:
ISO Code
U0028-13
Customer Symptom
No visual indication
Fault Effects (On Vehicle)
Interfacing functions with Body Control Module, HVAC
Control Module and Instrument Panel Cluster Module will not
work.
Lamp Status (If Any)
NA
Fault Detection Condition
1. Open circuit of the CAN_H ( connector C1 pin no.2)
and/or CAN_L(connector C1 pin no.5)
2. Short circuit of CAN_H to Battery or CAN_L to
Ground
Normal Operating Condition
ECU communicates properly with TML diagnostic Tool.
Probable Trouble Area
CAN_H and CAN_L wires
Healing Condition
1. Re-connection of the CAN_H (connector C1 pin no.2)
and CAN_L(connector C1 pin no.5) to ECU
2. Removal of above mentioned short circuit conditions