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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: 702 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.
B1929- 96
: Proximity Sensor Rear RH Failure
Overview:
ISO Code
B1929-96
Customer Symptom
Warning “Park assist system not available” shall be displayed
Park Assist functionality may not work
Fault Effects (On Vehicle)
Warning “Park assist system not available” shall be displayed
Park Assist functionality may not work
Lamp Status (If Any)
NA
Fault Detection Condition
BCM log this fault when PDC Sensor Hardware fails. (
May be stuck / short to ground / short to
Battery/damaged)
Normal Operating Condition
Zones and Distances should get updated on the HMI as per
values received from the PDC LIN sensors.
Probable Trouble Area
1. BCM connector Fault
2. Sensor damaged
3. BCM ECU faulty
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 (12.5 V & above)
2. Check ECU pins for oxidation, bending & damage.