1639 / 4910
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: 296 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.
B2253 – 12: Turn Left Indicator Switch Circuit – circuit short to battery
Overview:
ISO Code
B2253 - 12
Customer Symptom
1. Turn left indication always OFF
Fault Effects (On Vehicle)
1. Turn left indication always OFF
Lamp Status (If Any)
Always OFF
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 battery fault is detected for turn left
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 left indicator 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 left indicator switch is part of combi switch. If the IGN is ON and turn left indication is given by user then turn
left 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:-