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: 687 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. B1922 –12 :Proximity Sensor Rear RH input -Circuit short to Battery Overview: ISO Code B1922 – 12 Customer Symptom Parking assist will be less precise Fault Effects (On Vehicle) Parking assist will be less precise Lamp Status (If Any) NA Fault Detection Condition This fault gets logged by BCM when Proximity Sensor Rear RH input is shorted to Battery. Normal Operating Condition Zones and Distances should get updated on the HMI as per values received from the sensors. Probable Trouble Area 1. PACM connector wired wrong,. 2. Proximity Sensor Rear RH Input -Short to Battery. 3. Sensor connector wired wrong. 4. Harness wire shorted Healing Condition Ignition OFF ON Clear DTC Command Component Details: NA Preliminary Checks: 1. Check Battery Voltage (12.5 V & above) 2. Check ECU pins for oxidation, bending & damage.
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