2011 / 4910
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: 668 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.
B1326 – 12: Express down output_Short_to_Battery
Overview:
ISO Code
B1326 – 12
Customer Symptom
Window Up/Down will not operate
Fault Effects (On Vehicle)
1. Window Up/Down will not operate.
2. Battery Drain
Lamp Status (If Any)
NA
Fault Detection Condition
This fault gets logged by BCM when window output is shorted
to battery.
Normal Operating Condition
Window operates up and down normally when switch is
pressed.
Probable Trouble Area
1. BCM connector Fault
2. Window output wire Short to battery or open circuit
3. BCM ECU fault
4. Mating connector fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
NA
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-