Vehicle Platform: OSPREY / AMP ECU Name: PEPS DTC Troubleshooting Data Version: 1.2 Date: 29 Mar 2017 Author: Rajasekhara Reddy Page: 114 of 369 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. Troubleshooting:- Start B1639-31 Is this Historic DTC? Clear the DTC, make the IGN OFF, wait for 20 seconds and inspect the steps mentioned in the “Inspection Methods” Is inspection method OK? Stop YES YES Check the battery voltage NO Stop NO NO Replace the battery or try to jump start the vehicle. Stop YES Still problem persist i.e. DTC is appearing? NO YES Is DTC persist? YES NO Is battery voltage within 9V – 16V? Check whether the IGN connection to EMS is correct or not Is IGN connection EMS is correct? Check whether the CAN H & CAN L connection between PEPS & EMS are correct or not. Is CAN H & CAN L connection between PEPS & EMS is correct? YES Correct the IGN connection to EMS Stop Correct the CAN H & CAN L connection between PEPS & EMS NO Please contact EMS owner YES Stop
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