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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: 620 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.
B223A- 11: Rear Washer Pump Short to GND
Overview:
ISO Code (DTC Code)
B223A- 11
Customer Symptom
When user request Rear Wash ON, Rear Washer motor
doesn’t operate
Fault Effects (On Vehicle)
1.
Rear Wash motor always OFF
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will be logged only when Rear Wash switch is
requested and BCM output is short to GND.
Normal Operating Condition
IGN ON and No DTC logged when Rear wash operated
Probable Trouble Area
1. BCM connector Fault.
2. Rear 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 rear 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:-