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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: 224 of 737
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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 – 1D: Left Turn Indicator – Circuit Current out of range
Overview:
ISO Code
B2229 – 1D
Customer Symptom
Either Front Left Or Rear Left Turn Indicator bulb is OFF.
Other Lamp and TellTale flashes with Double frequency.
Fault Effects (On Vehicle)
Either Front Left Or Rear Left Turn Indicator bulb is OFF.
Lamp Status (If Any)
Either Front Left Or Rear Left Turn Indicator bulb Always OFF
Fault Detection Condition
BCM log this fault when Either Front Left Or Rear Left Turn
Indicator bulb is 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 bulb blown /lamp damaged
3. BCM ECU 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:-