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: 430 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. U100E - 11: Crank Power mode Input - Circuit Short to Ground Overview: ISO Code (DTC Code) U100E - 11 Customer Symptom Head lamps will operate during cranking. Fault Effects (On Vehicle) Head lamps will 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 Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Crank Power mode Input switch is part of Ignition switch and interfaced to the BCM. If the Crank Power mode Input switch is activated and engine will run successfully. If user put the ignition switch to Crank power mode input position, and engine will run successfully. Crank 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:-
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