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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: 345 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.
B130D - 11: Right Rear Door Ajar Switch - Circuit Short to Ground
Overview:
ISO Code (DTC Code)
B130D - 11
Customer Symptom
1. The IC shows Rear Right door as open status, even if
the Rear Right 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.
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. Rear Right 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 Right Rear 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. Right Rear 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:
Right Rear Door Switch, BCM connector
Functionality:
If the Right Rear Door Switch is Short to Ground, then the Right Rear Door state is in opened/ ajar state.
If the Right Rear Door is opened, then BCM shall receive the feedback of Right Rear Door as open/ ajar status.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting: