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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: 723 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.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
Check continuity between BCM connector pin and BCM
ground
Continuity
found?
Correct BCM side wiring harness
( Short to Ground)
YES
1. Remove ESS Switch mating connector
2. Perform the visual check of connectors for pin bend or
damaged etc.
Is connector faulty?
Correct connector fault
(Terminals Bend)
YES
NO
Check continuity between two terminals OF ESS switch
Continuity found?
1. Switch is faulty
2. Replace ESS Switch
BCM ECU Faulty
Replace BCM ECU
Check continuity between ESS Switch terminal and ground
Continuity
Found?
Correct ESS Switch side wiring
harness
( Short to Ground)
NO
YES
NO
NO
NO
YES
A
B