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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: 139 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.
B2204 – 12: Combined High Beam – Short to Battery
Overview:
ISO Code
B2204 - 12
Customer Symptom
2. Combined High Beam always ON
Fault Effects (On Vehicle)
Combined High Beam always ON
Lamp Status (If Any)
Always ON
Fault Detection Condition
This fault gets logged by BCM when High Beam output is
shorted to battery or open circuit
Normal Operating Condition
If the IGN is ON or Accessory
is ON and headlamps are
active then High Beam shall turn ON immediately after
pressing the High Beam switch.
Probable Trouble Area
1. BCM connector Fault
2. Front wiring harness circuit short to bat
3. High Beam bulb blown /lamp damaged
4. BCM ECU fault
5. High Beam mating connector fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
High Beam are located at headlamp of vehicle If the IGN is ON or Accessory
is ON and headlamps is active then
High Beam shall turn ON immediately after pressing the High Beam switch.
Preliminary Checks:
1. Check Battery Voltage (9 to 16 V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-