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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: 442 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.
Power Mode (OMM) DTCs
U100F - 11: Ignition Power mode Input - Circuit Short to Ground
Overview:
ISO Code (DTC Code)
U100F - 11
Customer Symptom
Active power mode will not operate when in this power
mode
Fault Effects (On Vehicle)
Active power mode will not operate when in this power
mode
Lamp Status (If Any)
NA
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 ignition power mode input 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 wired wrong
2. Cockpit wiring harness short to ground
3. switch damaged
4. Ignition switch failure
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Ignition power mode input switch is part of Ignition switch and interfaced to the BCM. If the Ignition
power mode input switch is activated and all functionality will work properly and if user put the ignition
switch to ignition power mode input position, all functionality will work.
Ignition 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:-