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: 887 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. B194C – 41 : Rear master sensor wrong calibration due to CRC mismatch Overview: ISO Code B194D-41 Fault Effects (On Vehicle) Parking assist will be non-functional due to Master sensor calibration mismatch. PACM will not be as precise. Lamp Status (If Any) NA Fault Detection Condition BCM log this fault when PDC Sensor Calibration is going on. If PDC Calibration file is mismatched then after PDC calibration this fault will be visible. Normal Operating Condition Zones and Distances should get updated on the HMI as per new calibration values received from the PDC LIN sensors. Probable Trouble Area Sensor not calibrated due to wrong CRC. Healing Condition 1. Ignition OFF  ON 2. Clear DTC Command Component Details: BCM allows activation of Park Assist automatically with input from the sensor. Preliminary Checks: 1. Check Battery Voltage (9V to 16V) 2. Check ECU pins for oxidation, bending & damage.