2580 / 4910
Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 500 of 855
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.
Normal vehicle
setup
start
Connect Diagnostic tool and Run Input
switch test routine and read DTC.
Is DTC
B2238-23
NO
YES
Stop
Remove Vehicle Battery connections.
(Please follow safety guidelines)
1) Remove BCM connector and check for backout/ pins bend/
damages.
2) Remove the fascia switch connector and check for backout/ pins
bend etc.
Yes
YES
Check continuity between
1) BCM connector A pin 51 and body GND in the
harness connector.
2) BCM connector A pin 51 and Conn A pin 34/ 47
Yes
Correct the wiring
harness short and open
circuit reconnect the
vehicle battery and
BCM
Remove the Fascia switch and
connect other working fascia switch.
Do all the initial vehicle setup(vehicle
batt connection etc)
No
Any fault
observed
Correct the fault
No
Any continuity
observed
No
B2238-23 Rear Defogger switch circuit short to
GND
Replac
e the
ECU
Is the rear
defogger working
properly
Yes