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Vehicle Platform: OSPREY
ECU Name: Hella Body Control Module (BCM) DTC
Troubleshooting Data
Version: 1.4
Date: 15 May 2018
Author: Body CoC
Page: 43 of 855
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TATA MOTORS Ltd.
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Trouble Shooting:-
Start
Read IVN DTCs in BCM
If MTO logged against
HVAC in current state?
No (In history)
Check continuity between HVAC CAN_H (pin
no.24 ) to IPC CAN_H(pin no.6 ) and HVAC
CAN_L (pin no.22 ) to IPC CAN_L(pin no. 5) in
vehicle wiring side connector.
Is continuity
there?
Repair the wiring
harness
Clear DTC
Stop
Check Ignition (pin no.11), Battery (pin
no.15,16) and Ground (pin no.1,2 ) of
HVAC is properly connected or not. Also
check fuse blown (fuse10A)
Do necessary repair in
the harness
Yes
Yes
No
U0164-08 Loss of communication HVAC Control
Module