Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 604 of 855
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TATA MOTORS Ltd.
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B2258- 14: Wiper On/Off Relay Short to Ground/ Open
Overview:
ISO Code (DTC Code)
B2258- 14
Customer Symptom
Front Wiper is always ON even though not requested
through switch.
Fault Effects (On Vehicle)
1. Wiper motor is always ON.
Lamp Status (If Any)
NA
Fault Detection Condition
This fault will logged with IGN ON
Normal Operating Condition
IGN ON and No DTC logged. Front wiper operates only
when requested through switch.
Probable Trouble Area
1. BCM connector Fault.
2. Front harness Short to Ground.
3. Relay fault.
4. ECU fault.
Healing Condition
1. Switch request after fault removal
2. Clear DTC command- No DTC logged
Component Details:
BCM drives the wiper motor through this relay by providing GND to the relay coil. Hence in case this output is
shorted to GND the relay will be continuously ON even though user doesn’t request.
Preliminary Checks:
1. Check Battery Voltage (9V-16V)
2. Check ECU pins for oxidation, bending & damage.
Trouble Shooting:-




