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: 612 of 737
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TATA MOTORS Ltd.
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B220B- 11: Front Washer Pump Short to Ground
Overview:
ISO Code (DTC Code)
B220B- 11
Customer Symptom
When user request Front Wash ON, Washer motor
doesn’t operate
Fault Effects (On Vehicle)
1.
Front Wash motor always OFF
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will be logged only when
Front
Wash switch is
requested and BCM output is short to GND.
Normal Operating Condition
IGN ON and No DTC logged when front wash operated
Probable Trouble Area
1. BCM connector Fault.
2. Front harness Short to Ground.
3. Motor fault.
4.
ECU fault.
Healing Condition
1.
Switch request after fault removal
2.
Clear DTC command- No DTC logged
Component Details:
BCM directly provides +12 V to
Front
wash motor to switch ON the motor when switch is requested.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-




