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: 234 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.
B225C – 09: Combination Switch Failures (Lights) – Component Failures
Overview:
ISO Code
B225C – 09
Customer Symptom
Some or all combination switch (lights) operations may fail
Fault Effects (On Vehicle)
Some or all combination switch (lights) operations may fail.
Lamp Status (If Any)
-
Fault Detection Condition
BCM log this fault when combination switch (lights) fails. (
May be stuck / short to ground / short to Battery)
Normal Operating Condition
If switch is moved to position lamp position, Position lamp
shall come ON. If switch is moved to headlamp On position,
Headlamp shall come On. Also Left and Right turn Indicator
shall come ON when turn indicator switch is activated.
Probable Trouble Area
1. BCM connector Fault
2. Switch damaged
3. BCM ECU faulty
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Combination Switch (lights) is located near steering at the dashboard of the vehicle.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-




