HARRIER BOOK 2

Vehicle Platform: OSPREY

ECU Name: Hella Body Control Module (BCM) DTC

Troubleshooting Data

Version: 1.4

Date: 15 May 2018

Author: Body CoC

Page: 42 of 855

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.

U0164-08:- Lost communication with HVAC Control Module- Message Timeout Failure

Overview:

ISO Code

U0164-08

Customer Symptom

Heater rear window does not operate

Fault Effects (On Vehicle)

Heater rear window does not operate

Lamp Status (If Any)

N.A

Fault Detection Condition

1. HVAC connector is not connected properly or

disconnected from its location

2. CAN Stub wire from HVAC connector side is

disconnected.

3. HVAC ECU is not powered up

Normal Operating Condition

HVAC ECU communicates properly with TML diagnostic

Tool

Probable Trouble Area

Disconnection of the HVAC connector

Healing Condition

To fix the HVAC connector correctly and Fix the wiring

harness issues from HVAC side.