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: 547 of 737 Copyright © 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. B220E - 12: Front Wiper High speed Switch - Circuit short to Battery or Open Circuit Overview: ISO Code B220E - 12 Customer Symptom Front wiper always OFF(High speed) Fault Effects (On Vehicle) Front wiper always OFF(High speed) Lamp Status (If Any) NA Fault Detection Condition This fault will be logged after the input switch test routine execution. User has to operate the switch manually during routine. If short to battery or open circuit fault is detected for front wiper high speed switch then this DTC will be returned with the Routine results. Normal Operating Condition There should not be any fault returned by routine Probable Trouble Area 1. BCM connector Fault 2. Cockpit harness Short to battery or open circuit 3. Switch damaged 4. Combi switch connector fault. 5. BCM ECU fault Healing Condition 1. Ignition OFF ON 2. Clear DTC Command Component Details: Front wiper High speed switch is part of combination stalk switch and interfaced to the BCM. If the IGN is if user put the combi switch to front wiper high speed position, front wiper will turn ON in high speed. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:-
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