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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: 361 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.
Lock Control DTCs
B1301 - 11: Driver Door Ajar Switch - Circuit Short to Ground
Overview:
ISO Code (DTC Code)
B1301 - 11
Customer Symptom
1. The IC shows Driver Door as open status, even
if the driver door 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.
4. The vehicle will not lock on providing the 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. Driver 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 Driver Door Ajar 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. Right side wiring harness short to ground
3. Driver Door Ajar Switch is damaged or stuck or
faulty
4. BCM ECU fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Driver Door Switch, BCM connector
Functionality:
If the vehicle is unlocked and Driver door is opened, then the Driver door shall get opened.
If the Driver door state is Short to Ground, then the Driver door state is in opened/ ajar state.
If the Driver door is opened, then BCM shall receive the feedback of Driver door as open/ ajar status.