Kanger 2.0 iVBAC DTC Troubleshooting data Version: 1.0 Date: 31-March-22 Author: ERC, Chassis CoC This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. Copyright © TATA MOTORS Ltd. P a g e | 142 U0423-81 :- Invalid Data Received From Instrument Panel Cluster Control Module Overview: ISO Code U0423-81 Customer Symptom None Fault Effects (On Vehicle) ABS – Available, EBD – Available, ESC - Available Lamp Status (If Any) ABS – OFF, ESC – OFF, EBD - OFF Fault Detection Condition Incorrect data received from IPC ECU Signal internal problem Normal Operating Condition IPC ECU sends correct data in normal condition. Probable Trouble Area IPC ECU and its interface circuits Healing Condition After rectifying all the functional failures in the IPC ECU. Preliminary Check: 1. Check resistance in Diagnostic CAN pin no. 6 and 14. It should be 120 ohm 2. Check DTCs IN IPC ECU, take actions as per DTCs found to resolve the issue. 3. Read IVN DTCs in I VBAC ECU in IGN ON condition. . Note: After rectification please give Ignition latch to heal the DTC.
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