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. P30AF - 11: V2X Switch sensor input to VECU - circuit short to ground Overview: ISO Code P3111 - 11 Customer Symptom Vehicle is drivable, but V2X function doesn’t work Fault Effects (On Vehicle) If V2X switch is not working, V2V charging or V2L(for different loads) cannot be activated Lamp Status (If Any) Service lamp ON Fault Detection Condition Short to ground condition is detected by the vehicle controller when V2X switch input is lesser than threshold value Normal Operating Condition V2X functionality will work as desired Probable Trouble Area V2X switch V2X switch LV wiring Harness Powertrain VCU connector Healing Condition If DTC trigger condition is healed, DTC is present only in memory Component Details: V2X switch is situated on the boot space used for activating, deactivating V2V and V2L functionality and also to remove the V2X gun. Preliminary Checks: Check for loose connection of LV wiring harness between VCU and V2X switch Check for damage to LV wiring harness connections between VCU and V2X switch Visually inspect V2X switch for damage Trouble Shooting: -
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