TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 901 of 1106 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. B225F – 15: Right Reverse Lamp Circuit – Short to Battery or Open Circuit Overview: ISO Code B225F – 15 Customer Symptom Right Reverse Lamps always ON. Fault Effects (On Vehicle) 1. Right Reverse Lamp always ON. 2. Battery Drain Lamp Status (If Any) Always ON Fault Detection Condition This fault gets logged by BCM when Right Reverse lamp output is shorted to battery or open circuit Normal Operating Condition Reverse lamp comes ON when reverse gear is engaged. Probable Trouble Area 1. BCM connector Fault 2. Right Reverse lamp output wire Short to battery or open circuit 3. Right Reverse Lamp bulb blown /lamp damaged 4. BCM ECU fault 5. Right Reverse lamp mating connector fault Healing Condition 1. Ignition OFF  ON 2. Clear DTC Command Component Details: Right Reverse lamps are located at right rear side of vehicle. Reverse lamp comes ON when reverse gear is engaged. Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage. Trouble Shooting:-