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. Restraints Control Module (SRS / Airbag) -ECU Replacement Procedure Version: 4.0 Date: 29-10--2016 Author: Airbag CoC, ERC Page: 5 of 7 ECU needs to be replaced in service, if SRS (Airbag) ECU logs any of the below DTC’s: 1. If following DTCs are present, then follow the below steps for its rectification: - a. U1006 – 43 - Control Module Internal special memory failure (follow the below process) i. Clear DTC. Turn OFF & ON Ignition & Check for DTC’s (at least 2 to 3 times). ii. If DTC is still present, replace the Airbag ECU (as per ECU replacement procedure). iii. Send the old ECU to TML QA team for analysis. b. U1006 – 49 - Control Module Internal electronic failure (follow the below process) i. Clear DTC. Turn OFF & ON Ignition & Check for DTC’s (at least 2 to 3 times). ii. If DTC is still present, replace the Airbag ECU (as per ECU replacement procedure). iii. Send the old ECU to TML QA team for analysis. c. B1011 – 00 - Front Deployment Crash no sub type information (follow the below process) i. Clear DTC. Turn OFF & ON Ignition & Check for DTC’s (at least 2 to 3 times). ii. Send the diagnostic request “14 FF FF FF” & check whether NRC 22 is received? iii. If NRC 22 is received, replace the Airbag ECU (as per ECU replacement procedure). iv. Send the old ECU to TML QA team for analysis.
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