Vehicle Platform: All ECU Name: Telematics Control Unit (TCU) DTC Troubleshooting Data Version: 1.12 Date: 02-06-2022 Author: TCM COC Page: 109 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. B2834 - 13 :- Analog Input - Circuit Open Overview: ISO Code B2834 – 13 Analog Input - Circuit Open 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 TCU analog input pin is open Normal Operating Condition Analog input pin is working properly in normal condition Probable Trouble Area Faulty TCU TCU Connector Fault Analog input pin (pin :28/29/8/9/4) is open Internal Component failure TCU pin 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 connector 6. If problem persists after above steps (from 1 to 5) then replace TCU
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