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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: 393 of 855
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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.
B162C - 11: Tailgate State Switch - Circuit Short to Ground
Overview:
ISO Code (DTC Code)
B162C - 11
Customer Symptom
1. The IC shows Tailgate as open status, even if
the Tailgate is closed as presumed by the
customer.
2. Interior Roof lamp in Auto mode selection will
ON for 10 minutes.
3. The Mis-lock sound occurs on RKE lock
command.
Fault Effects (On Vehicle)
1. Unnecessary battery power consumption
(because Interior Roof lamp in Auto mode
selection will always ON for 10 minutes.)
2. The vehicle will not enter into arm state, when
RKE lock is given and no alarm functionality will
work.
Lamp Status (If Any)
1. Interior Roof lamp in Auto mode selection will
ON for 10 minutes.
2. Tailgate door telltale status on IC shows always
ON.
Fault Detection Condition
This fault will be logged after the input switch test
routine execution. User has to operate the switch
manually during routine. If short to ground fault is
detected for Tailgate State Switch, then this DTC code
will be returned with the Routine results.
Normal Operating Condition
There should not be any fault returned by routine
Probable Trouble Area
1. BCM connector Fault
2. Rear side wiring harness short to ground
3. Tailgate State Switch is damaged or stuck or
faulty
4. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Tailgate State Switch, BCM connector
Functionality:
If the Tailgate State Switch is Short to Ground, then the Tailgate state is in opened/ ajar state.
If the Tailgate is opened, then BCM shall receive the feedback of Tailgate as open/ ajar status.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting: