Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 689 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. B2203- 11: Combined External Mirror Folding Signal Circuit Short to Ground Overview: ISO Code (DTC Code) B2203- 11 Customer Symptom Mirrors does not operate Fault Effects (On Vehicle) Mirror will not operate even on activation of Mirror Fold/ Unfold switch Lamp Status (If Any) NA Fault Detection Condition This fault will logged with IGN ON/ ACC/ RUN and mirror fold/ unfold operation is requested Normal Operating Condition IGN ON/ ACC/ RUN and No DTC logged. Mirrors Fold/ Unfold operation on activation of Mirror Fold/ Unfold switch. Probable Trouble Area 1. BCM connector Fault. 2. Harness issue. 3. Switch fault. 4. ECU fault. Healing Condition 1. Switch request after fault removal 2. Clear DTC command- No DTC logged Component Details: BCM drives the mirror fold/ unfold output based on the mirror fold/ unfold switch request and mirror current state i.e. folded/ unfolded Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage.
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