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TML HARRIER Infotainment DTC Troubleshooting guide
Version: 0.3 Draft
Date: 17-Aug-18
Author:
Vijaya Bhaskar
B/Pritam Bansod
Page: 52 of 109
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.
B1C20-2A: Steering Wheel Control Input Signal - signal stuck in range
Overview:
Write up for the Related Sensor/Actuator or system:-
Steering wheel control module – This steering wheel control module is located on steering wheel. Using steering
wheel control module, user can change volume/media/radio settings.
Pre-Check Points:
NO
Trouble Shooting:-
Below given flowcharts guides to troubleshoot the fault:
ISO Code
B1C20-2A
Customer Symptom
User is unable to change volume/media/radio settings using
steering wheel control module.
Fault Effects (On Vehicle)
No
Lamp Status (If Any)
No
Fault Detection Condition
1. User is unable to change volume/media/radio settings
using steering wheel control module.
2. This DTC gets logged when steering wheel control
signal switch input is stuck in range.
Normal Operating Condition
When user changes settings of volume/media/radio using
steering wheel Control, accordingly silver box will process it.
Probable Trouble Area
Steering Wheel Switches
Healing Condition
None