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: 262 of 737
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TATA MOTORS Ltd.
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B220A – 23: Front fog Lamp control Switch – Signal Stuck Low
START
Connect Diagnostic tool and check for DTCs
Is DTC B220A-23
present?
STOP
NO
Check DTC present is Permanent or Historic
Is History?
1. Press the front fog lamp switch and release it.
2. Clear DTC
Is DTC B220A-
23 present?
YES
NO
YES
NO
Disconnect vehicle battery connection.
(Please follow the safety guidelines)
Check BCM and Facia / Fog lamp switch connectors
for terminal backout
Are connectors loose?
Reconnect connectors firmly
YES
1.Remove BCM side wiring harness Connector.
2.Perform visual check of connectors for pins bent or damaged etc.
NO
YES
A
B
C
C




