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 Page82 U1609-81: Rx BRAKE5 (0x176) Signal Invalid(VehSpdABs/VehSpdABsStatus) about ABS ISO Code U1609-81 Customer Symptom No warning lamp, No heavy steering Fault Effects (On Vehicle) Prtial assistance at 80KPH Lamp Status (If Any) Warning lamp ON ; G/Driver ON ; Motor ON Fault Detection Condition Incorrect data received from ABS Normal Operating Condition ABS ECU sends correct data in normal condition. Probable Trouble Area ABS ECU Healing Condition After rectifying relevant functional failures in the ABS Component Details: NA Preliminary Checks: NA Note: 1. If warning lamp is OFF and no heavy steering is observed, then ignore this DTC U1609-81. 2. If warning lamp is OFF and heavy steering is observed, then check for other DTCs logged along with this DTC U1609-81.
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