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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 698 of 855
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TATA MOTORS Ltd.
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B225B- 09: Master Light Switch Failure- Component Failures
Overview:
ISO Code (DTC Code)
B225B- 09
Customer Symptom
Some or all master light switch operations may fail
Fault Effects (On Vehicle)
Some or all master light switch operations may fail
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will logged with IGN ON/ ACC/ RUN and lamp
request is given from master light switch.
Normal Operating Condition
IGN ON/ ACC/ RUN and No DTC logged. Lights
activation on giving request through master light switch.
Probable Trouble Area
1. BCM connector Fault.
2. Harness issue.
3. Switch fault.
4. ECU fault.
Healing Condition
1. Switch request after fault removal
2. Clear DTC command- No DTC logged
Component Details:
BCM drives the park lamps, headlamp output, etc. based on the master light switch input.
Preliminary Checks:
1.
Check Battery Voltage (9V-16V)
2.
Check ECU pins for oxidation, bending & damage.