NEXON 3.0 EV DTC Troubleshooting Document for VCU Version: 2.0 Date: 22-Sep-2023 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. 3. Check for the problem related to harness connecting AC linear pressure sensor Check if there is damage/ short in harness/pin between VCU connector C776B- Pin 54, C776B- Pin 77 and AC linear pressure sensor LV connector C699A – Pin 1 and C699A – Pin 3 (Refer schematic for details) Problem is in connector/ harness. Action: Repair harness Problem in VCU DTC’s confirmation: - After rectification, send Clear DTC command by using TML diagnostic tool. Ensure no DTC is in defect/ confirmed state before handing over to the customer. Circuit Schematic Diagram: Component Location & Image: - VECU is present in engine bay area besides LV battery.
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