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. P305E - 73: - Charging- Gun Lock Pin - actuator stuck closed Overview: ISO Code P305E - 73 Customer Symptom Vehicle not drivable if charging gun is connected to vehicle Fault Effects (On Vehicle) The vehicle is not drivable if charging gun is connected to vehicle since charging gun lock error detected but charging is not possible. Lamp Status (If Any) Charging fault indication lamp is ON, on the cluster Fault Detection Condition Charging gun lock pin is stuck to close Normal Operating Condition Charging gun lock pin is not stuck Probable Trouble Area Charging gun lock pin Healing Condition If DTC trigger condition is healed, DTC is present only in memory Component Details: Charging gun lock pin is mechanical pin which gets fitted in charger when charger has to be locked. This pin operates by Charging Gun Lock Actuator (Vehicle Inlet Motor Lock) Preliminary Checks: Check for damage or obstacle in gun lock pin movement Trouble Shooting: - 1. Remove the LV battery connections. Ste p No. Description Check point If Yes If No 1. Check for damage or obstacle in gun lock pin movement Check if there is any mechanical obstruction in gun lock pin movement because of damage or obstacle Remove obstacle or replace damaged part Go to step 2 2. Check for continuity between Vehicle Check for continuity between Vehicle Inlet Motor Lock positive Go to step 3 Problem is in wiring harness between Vehicle Inlet Motor
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