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: 453 of 737
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TATA MOTORS Ltd.
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U1013 – 11: Wake-Up Signal – Circuit Short to Ground
Overview:
ISO Code (DTC Code)
U1013 - 11
Customer Symptom
Other ECUs(IC, Infotainment, and HVAC) do not wake up and
will not operate.
Fault Effects (On Vehicle)
Other ECUs(IC, Infotainment, and HVAC) may wake up and
will not operate.
Lamp Status (If Any)
NA
Fault Detection Condition
This fault gets logged by BCM when Wake-Up output is
shorted to ground.
Normal Operating Condition
Other ECUs(IC, Infotainment, and HVAC) may wake up and
will operate.
Probable Trouble Area
1. BCM connector wired wrong,
2. Cockpit harness wire shorted to ground.
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:-




