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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: 463 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.
U1014 – 09: Ignition Switch Failure
Overview:
ISO Code (DTC Code)
U1014 - 09
Customer Symptom
Fault Effects (On Vehicle)
Lamp Status (If Any)
NA
Fault Detection Condition
This fault gets logged by BCM when any Ignition signals are
failing.
Normal Operating Condition
All functionality is working properly.
Probable Trouble Area
Switch damaged
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Key In input switch is part of Ignition switch and interfaced to the BCM. If the Key In input switch is activated and RKE
Lock functionality will not work. If user put the ignition switch to Key In power mode input position, RKE Lock functionality
will not work.
Accessory power mode input switch is part of Ignition switch and interfaced to the BCM. If the Accessory power mode
input switch is activated and head lamps and power windows functionality will work properly. If user put the ignition switch
to Accessory power mode input position, head lamps and power windows functionality will work.
Accessory power mode input switch is active high.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-