HARRIER BOOK 2

Vehicle Platform: OSPREY

ECU Name: Hella Body Control Module (BCM) DTC

Troubleshooting Data

Version: 1.4

Date: 15 May 2018

Author: Body CoC

Page: 675 of 855

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)

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



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:-