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: 132 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. B2236 – 11 :- Position Lamp Switch – Circuit short to Ground Overview: ISO Code (DTC Code) B2236 – 11 Customer Symptom Position Lamp always ON Fault Effects (On Vehicle) Position Lamp always ON Lamp Status (If Any) Always ON 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 ground circuit fault is detected for Position Lamp switch then this DTC code 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 (group) harness Short to ground 3. Switch damaged or stuck 4. BCM ECU fault 5. Combi switch connector fault. Healing Condition 1. Ignition OFF  ON 2. Clear DTC Command Component Details: Position Lamp switch is part of combination stalk switch and interfaced to the BCM. If the IGN is KeyIN or Keyout/ Accessory /on and Main beam / Dipped beam are ON or Position lamp switch signal is active, Position lamp will turn ON. Preliminary Checks: 1. Check Battery Voltage (9V-16V) 2. Check ECU pins for oxidation, bending & damage.