2103 / 4910
Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 23 of 855
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
EPAS lamp ON , CE Lamp ON,MIL Lamp ON,ABS
Lamp ON,TCM Lamp ON,SRS Lamp ON,EBD Lamp
ON
Fault Effects (On Vehicle)
BCM functionality such as Hazard, Door indication,
Lamp status, etc. does not work
Lamp Status (If Any)
EPAS lamp ON , CE Lamp ON,MIL Lamp ON,ABS
Lamp ON,TCM Lamp ON,SRS Lamp ON,EBD Lamp
ON
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.