Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. PSCM DTC Troubleshooting Guide for Mando EPAS Version: 1.1 Date: 14/01/2019 Author: E&E Chassis - ERC Page65 U0423-83: Rx IPC1 (0x197) Signal CRC (SpdCRCSig) about Non ABS ISO Code U0423-83 Customer Symptom No heavy steering Fault Effects (On Vehicle) Partial assistance at 80KPH Lamp Status (If Any) Warning lamp ON : G/Driver ON; Motor ON Fault Detection Condition When vehicle speed data is corrupted during communication. Checksum Incorrect(SpdCRCSig) Normal Operating Condition 1. IPC ECU sends correct data in normal condition. 2. When DLC of IPC1(0x197) is matched (When DLC is equal to 8) 3. Checksum Correct(SpdCRCSig) Probable Trouble Area Electromagnetic interference, high frequency noise. Healing Condition Moving away of vehicle from electromagnetic interference and high frequency noise Component Details: NA Preliminary Checks: NA Trouble Shooting:
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