Vehicle Platform: Tiago,Tigor & Osprey ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 2.0 Date: 22-10-2018 Author: Parag K Page: 209 of 737 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. B2229 – 15: Left Turn Indicator – Short to Battery or Open Circuit Overview: ISO Code B2229 – 15 Customer Symptom Left Turn Indicator Lamps always ON. Fault Effects (On Vehicle) 1. Left Lamp always ON. 2. Battery Drain. Lamp Status (If Any) Always ON Fault Detection Condition This fault gets logged by BCM when left Turn Indicator lamp output is shorted to battery or open circuit Normal Operating Condition Turn Indicator lamp comes ON when turn indicator switch is activated. Probable Trouble Area 1. BCM connector Fault 2. Left Turn Indicator lamp output wire Short to battery or open circuit 3. Left Turn Indicator Lamp bulb blown /lamp damaged 4. BCM ECU fault 5. Left Turn Indicator lamp mating connector fault Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Left Turn Indicator lamps are located at left front, left rear and left side of the vehicle. Turn Indicator lamp comes ON when turn indicator switch is activated. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:-
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