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: 458 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. U1013 – 12: Wake-Up Signal – Circuit Short to Battery Overview: ISO Code (DTC Code) U1013 - 12 Customer Symptom Other ECUs(IC, Infotainment, and HVAC) may wake up unexpectedly or may not wake up when required. Fault Effects (On Vehicle) Other ECUs(IC, Infotainment, and HVAC) may wake up unexpectedly or may not wake up when required. Lamp Status (If Any) NA Fault Detection Condition This fault gets logged by BCM when Wake-Up output is shorted to battery. Normal Operating Condition Other ECUs(IC, Infotainment, and HVAC) may wake up and will not operate. Probable Trouble Area 1. BCM connector wired wrong, 2. Cockpit harness wire shorted to battery. Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: BCM Wake-Up output is interfaced to other ECUs. If BCM is generated Wake-Up output and other ECUs will work properly. If user opens any door, IC is wake-up and display door open status. Wake-Up Signal 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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