Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 144 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. B222C– 11: Low Beam Relay– Short to Ground Overview: ISO Code B222C - 11 Customer Symptom 2. Low Beam always OFF Fault Effects (On Vehicle) Head lamps low beam output will not turn ON Lamp Status (If Any) Always OFF Fault Detection Condition This fault gets logged by BCM when Low Beam output is short to ground Normal Operating Condition If the IGN is at ON / ACC position and headlamps signal is active then Low Beam shall turn ON immediately after pressing the Low Beam switch. Probable Trouble Area 1. BCM connector Fault 2. Front wiring harness short to ground 3. Lamp damaged 4. BCM ECU fault 5. Low Beam lamp mating connector fault Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Low Beam are located at headlamp of vehicle If the IGN is at ON / ACC position and headlamps is active then Low Beam shall turn ON immediately after pressing the Low Beam switch. Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:-
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