Vehicle Platform: NEXON, X4, Q5, TIGOR_MCE ECU Name: PEPS DTC Troubleshooting Data Version: 1.8 Date: 28 Feb 2023 Author: Rajasekhara Reddy Page: 323 of 407 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. Normal Operating Condition 1. OFF (Reduced CAN communication) Probable Trouble Area BCM PreCheck condition failure for supporting Remote Engine Start/Stop feature Healing Condition At PEPS Clamp state = OFF, PEPS checks the received BCMPreCheck signal from BCM as status of RESS feature pre-condition check and if 3 consecutive frames are received with data of 1. BCMPreCheck = "Passed" OR 2. BCMPreCheck = "Default" OR 3. After 10 IGN cycle with RemoteEngAcCmd = Not Active, this DTC shall RESET. If either any of the above condition is detected then the counter decrements to 80h Note: Please contact to Tata Motors customer support center. Table 67:- U1634- 61 overview details Component Details:- 1. PEPS ECU. 2. BCM ECU 3. Telematics ECU Preliminary Checks:- 1. Check Battery Voltage (9V-16V) 2. Check Software and hardware version number of the Telematics, BCM ECU and PEPS. Troubleshooting:- DTC’s confirmation:- After rectification, ensure the following points by using TML diagnostic tool before handing over to customer. a) DTC U1634 – 61 is not logged at OFF/ACC/IGNON/CRANK/Run. Circuit Schematic Diagram:- NA
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