NEXON AMT BS VI DTC Troubleshooting Guide Version: 2.3 Date: 23-07-2019 Author: Rahul N Page: 419 of 442 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. 144 P1C27-02:- ASR Brake Control Active signal not valid Overview: ISO Code P1C27-02 Customer Symptom ESP Warning Lamp will be ON Fault Effects (On Vehicle) ESP functions not working Lamp Status (If Any) Transmission lamp will be OFF Fault Detection Condition When TCU receives implausible ASR/Tcs Status signal from ESP node Normal Operating Condition TCU receives plausible ESP Status signal from ESP node Probable Trouble Area TCU receives faulty (implausible) TCs Status signal from ESP node Healing Condition - DTC’s confirmation: After rectification, ensure the following points using TML diagnostic tool before handing over to customer. a) DTC should not be in current state. Trouble Shooting:- Step Checks IF YES IF NO 1 Please refer ESP service manual for Trouble Shooting.
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