Vehicle Platform: NEXON MCE ECU Name: TPMS DTC Troubleshooting Data Version: 1.0 Date: 21-08-2019 Author: TPMS COC Page: 8 of 85 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. Generic Diagnostic DTCs U0028 – 88 :- Vehicle Communication Bus A-Bus off Overview: ISO Code U0028-88 Customer Symptom Blank data of tyre pressure on IPC Fault Effects (On Vehicle) TPMS Functionality does not work Lamp Status (If Any) TPMS telltale remains OFF Fault Detection Condition Short circuit between CAN_H -CAN_L, CAN_H -GND, CAN_LVbatt 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. Component Details: TPMS ECU Trouble Shooting:
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