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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: 184 of 737
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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.
B2227 – 11: Left Stop Lamp Circuit – Short to Ground
Overview:
ISO Code
B2227 - 11
Customer Symptom
1. Left stop Lamps always OFF.
2. Brake lamp malfunction message on Instrument
Cluster.
Fault Effects (On Vehicle)
Left Stop Lamps and CHMSL always OFF.
Lamp Status (If Any)
Always OFF
Fault Detection Condition
BCM log this fault when left Stop lamp output is short to
ground.
Normal Operating Condition
Brake comes ON when brake is pressed.
Probable Trouble Area
1. BCM connector Fault
2. Left Stop lamp output wire Short to ground
3. Lamp damaged
4. BCM ECU fault
5. Left Stop lamp mating connector fault
Healing Condition
1. Ignition OFF
ON
2. Clear DTC Command
Component Details:
Left Stop lamps are located at left rear side of vehicle. Brake comes ON when brake is pressed.
Preliminary Checks:
1. Check Battery Voltage (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-