Vehicle Platform: All ECU Name: Telematics Control Unit (TCU) DTC Troubleshooting Data Version: 1.12 Date: 02-06-2022 Author: TCM COC Page: 80 of 150 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. B282E - 12 :- LTE Antenna - Circuit Short To Battery Overview: ISO Code B282E – 12 LTE Antenna - Circuit Short To Battery Customer Symptom Telematics ECU features will not be working Fault Effects (On Vehicle) Remote , Vehicle security, Alerts and other telematics features will not be working Fault Detection Condition DTC is set in case of LTE Antenna circuit short to battery Normal Operating Condition TCU antenna connector is not shorted to battery in normal condition Probable Trouble Area Faulty TCU TCU Antenna connector is short to battery Internal Component failure TCU connector have problem with oxidation, bending & damage Healing Condition 1. Verify DTC ageing-Clear in case of ageing 2. Verify any other communication related DTCs present 3. Verify TCU DTCs and check for any related DTCs 4. Follow TCU trouble shooting guideline to clear the relevant functional DTCs 5. Replace TCU antenna connector 6. If problem persists after above steps ((from 1 to 5) then replace TCU
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