Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 393 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent As this fault is related to Key pairing between vehicle transponder / Key and immobilizer unit, check for faults in Immobilizer and rectify the fault by following its rectification procedure. Trouble Shooting: Step Checks IF YES IF NO 1. Check for corresponding fault in Immobilizer unit. Rectify the fault by following its rectification procedure. Action Successful? Go to next step Replace the Ignition lock set along with immobilizer unit. Pair the new keys with Immobilizer. DTC’s confirmation (checks before handing over vehicle to customer): After the DTC clearing, vehicle should be start & no error in immobilizer. Immo telltale on Instrument cluster shall be off.
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