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TML Park Distance Controller (PDC) ECU DTC
Troubleshooting guide for Nexon
Version: 0.2
Date: 08Jun17
Author:
Ravi Teja
Page: 87 of 123
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.
U0028-88:- Vehicle Communication Bus A-Bus off
Overview:
ISO Code
U0028-88
Customer Symptom
Park assistance will not be available
Fault Effects (On Vehicle)
Park assistance will not be available
Lamp Status (If Any)
Fault Detection Condition
Short circuit between CAN_H -CAN_L, CAN_H -
GND, CAN_L-Vbatt lines. This DTC may also get
logged in case of CANH OR CAN L open circuit.
Normal Operating Condition
ECU communicates properly with all ECUs.
Probable Trouble Area
CAN_H and CAN_L wires
Healing Condition
Removal of the above mentioned shorts/open in
the wiring harness or at ECU pin.
Trouble Shooting:-
U0028-88:- Vehicle Communication Bus A - short circuit
Start
Read DTC with diagnostic tool.
This DTC will be in history.
Clear DTC
End