Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 383 of 855
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TATA MOTORS Ltd.
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B130D - 12: Right Rear Door Ajar Switch - Circuit short to Battery or Open Circuit
Overview:
ISO Code
B130D - 12
Customer Symptom
1. Interior Roof lamp in Auto mode selection
doesn’t operate when Rear Right door is
opened.
2. The IC shows Rear Right door as closed status,
even if the Rear Right door Rear Right door is
opened as presumed by the customer.
3. The Mis-lock sound does not occurs on RKE
lock command.
4. The vehicle will get lock on RKE lock command.
Fault Effects (On Vehicle)
Interior Roof lamp in Auto mode selection does not
operate when Rear Right door is opened.
Lamp Status (If Any)
1. Roof lamp in Auto mode selection is OFF.
2. IC shows Rear Right door closed status always
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 battery or open
circuit 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 battery or
open circuit
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 Battery or Open Circuit, then the Right Rear Door state is in
closed state.
If the Right Rear Door is closed, then BCM shall receive the feedback of Right Rear Door as closed
status.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.




