Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 497 of 855 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 vehicle setup start Connect Diagnostic tool and Read DTC. Switch ON front wash and read DTC. Is DTC B2238-12 NO YES Stop Remove Vehicle Battery connections. (Please follow safety guidelines) 1) Remove BCM connector and check for backout/ pins bend/ damages. Yes Check continuity between 1) BCM connector A pin 51 and Connector A pin 9 in the harness connector 2) BCM connector A pin 51 and Connector C pin 1/ 2 in the harness connector Yes Correct the wiring harness short and open circuit. Yes Any fault observed Correct the fault No Any continuity observed No Is the rear defogger working properly No B2238-12 Rear defogger switch circuit short to BATT Remove the Fascia switch and connect other working fascia switch. Do all the initial vehicle setup(vehicle batt connection etc) Replace the ECU
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