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. P30AB - 68: - OBC fault CAN signal received by VECU - event information ISO Code P30AB - 68 Customer Symptom Vehicle would not go into charging mode for slow charging Fault Effects (On Vehicle) Vehicle is drivable. Slow charging is not possible. Lamp Status (If Any) Charging Indication Red telltale will be ON when gun is connected And Service Indicator Lamp is ON over the cluster Fault Detection Condition OBC fault CAN Signal as received on CAN signal by VECU Normal Operating Condition 3in1combo - OBC communicates to VECU via CAN protocol and is responsible for slow charging function Probable Trouble Area LV wiring Harness 3in1 combo - OBC signal connector/terminals 3in1 combo - OBC internal fault Power train CAN Harness Healing Condition If DTC trigger condition is healed, DTC is present only in memory Component details: The 3in1 combo - On-Board Charger (OBC) takes AC input and converts it to direct current to charge a HV battery. The LV supply of OBC is from 12V battery. It requires AC HV supply voltage of 230V, 50Hz to charge the HV battery. Preliminary Checks: KL 30 12V LV supply to 3in1 combo KL 31 LV/Chassis ground to 3in1 combo a) Check for proper terminal connection of 12V LV Battery
RkJQdWJsaXNoZXIy MTIwNTUz