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. Check if VECU parameter Regen control switch analog input count value is greater than 250? DTC’s confirmation: - After rectification, ensure the following points by referring to VCU parameter list using TML diagnostic tool before handing over to customer. DID No Vehicle Parameter Name Expected Value when switch is not pressed 34E0 Regen control switch analog input count 157 +/- 5 1. Vehicle should be in Ignition ON Mode 2. Change the Regen level using Regen switch and check if it is working. Press regen increase, regen decrease and check the following VECU parameter value, if it is in the valid expected range. Switch DID Range REGEN UP SWITCH Between 7 and 17 REGEN DOWN SWITCH Between 27 and 37 Circuit Schematic Diagram:
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