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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: 616 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.
B220B- 15: Front Washer Pump Short to Batt/ Open
Overview:
ISO Code (DTC Code)
B220B- 15
Customer Symptom
Front Wash motor is always ON even though user not
request through switch
Fault Effects (On Vehicle)
1.
Front Wash motor always ON can cause motor
burning.
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will be logged with IGN ON.
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. Front wash 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 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:-