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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
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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.