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: 301 of 737
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TATA MOTORS Ltd.
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B2254 – 11: Turn Right Indicator Switch Circuit – circuit short to ground
Overview:
ISO Code
B2254 - 11
Customer Symptom
1. Turn right indication always on
Fault Effects (On Vehicle)
1. Turn right indication always on
2. Battery Drain
Lamp Status (If Any)
Always ON
Fault Detection Condition
This fault will be logged after the input switch test routine
execution. User has to operate the switch manually during
routine. If short to ground fault is detected for turn right
indicator switch then this DTC code will be returned with the
Routine results.
Normal Operating Condition
There should not be any fault returned by routine
Probable Trouble Area
1. BCM connector Fault
2. Turn right indicator switch input short to ground from
cockpit wiring harness
3. Turn indicator switch damaged or stuck
4. Combi switch connector fault.
5. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Turn right indicator switch is part of combi switch. If the IGN is ON and turn right indication is given by user then
turn right indicator lamps will flash with predefined frequency.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-




